./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 798a7b37 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_unwindbound20.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 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:52:53,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:52:53,145 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:52:53,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:52:53,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:52:53,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:52:53,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:52:53,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:52:53,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:52:53,171 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:52:53,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:52:53,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:52:53,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:52:53,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:52:53,172 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:52:53,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:52:53,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:52:53,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:52:53,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:52:53,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:52:53,174 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 -> 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb [2025-03-04 10:52:53,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:52:53,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:52:53,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:52:53,413 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:52:53,414 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:52:53,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2025-03-04 10:52:54,512 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bf0fb14/57f712c1bf0441f4851d5b10efa69768/FLAG55d0896ae [2025-03-04 10:52:54,712 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:52:54,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2025-03-04 10:52:54,717 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bf0fb14/57f712c1bf0441f4851d5b10efa69768/FLAG55d0896ae [2025-03-04 10:52:55,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97bf0fb14/57f712c1bf0441f4851d5b10efa69768 [2025-03-04 10:52:55,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:52:55,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:52:55,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:52:55,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:52:55,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:52:55,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8e58ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55, skipping insertion in model container [2025-03-04 10:52:55,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:52:55,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:52:55,218 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:52:55,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:52:55,256 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:52:55,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55 WrapperNode [2025-03-04 10:52:55,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:52:55,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:52:55,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:52:55,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:52:55,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,292 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 194 [2025-03-04 10:52:55,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:52:55,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:52:55,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:52:55,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:52:55,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,322 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]. [2025-03-04 10:52:55,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,330 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:52:55,338 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:52:55,338 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:52:55,338 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:52:55,339 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (1/1) ... [2025-03-04 10:52:55,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:52:55,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:55,367 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) [2025-03-04 10:52:55,369 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 [2025-03-04 10:52:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:52:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:52:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:52:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:52:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 10:52:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 10:52:55,432 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:52:55,433 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:52:55,955 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-03-04 10:52:55,956 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:52:55,972 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:52:55,974 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:52:55,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:52:55 BoogieIcfgContainer [2025-03-04 10:52:55,975 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:52:55,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:52:55,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:52:55,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:52:55,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:52:55" (1/3) ... [2025-03-04 10:52:55,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd40215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:52:55, skipping insertion in model container [2025-03-04 10:52:55,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:52:55" (2/3) ... [2025-03-04 10:52:55,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd40215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:52:55, skipping insertion in model container [2025-03-04 10:52:55,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:52:55" (3/3) ... [2025-03-04 10:52:55,983 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound20.c [2025-03-04 10:52:55,992 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:52:55,994 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_unwindbound20.c that has 2 procedures, 306 locations, 1 initial locations, 1 loop locations, and 140 error locations. [2025-03-04 10:52:56,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:52:56,056 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;@ef93525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:52:56,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2025-03-04 10:52:56,060 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) [2025-03-04 10:52:56,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-04 10:52:56,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:56,067 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-04 10:52:56,067 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)] === [2025-03-04 10:52:56,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:56,072 INFO L85 PathProgramCache]: Analyzing trace with hash 10188447, now seen corresponding path program 1 times [2025-03-04 10:52:56,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:56,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025199772] [2025-03-04 10:52:56,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:56,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:56,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-04 10:52:56,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-04 10:52:56,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:56,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:52:56,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:56,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025199772] [2025-03-04 10:52:56,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025199772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:56,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:56,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:56,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251999742] [2025-03-04 10:52:56,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:56,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:56,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:56,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:56,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:56,268 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) [2025-03-04 10:52:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:56,340 INFO L93 Difference]: Finished difference Result 606 states and 654 transitions. [2025-03-04 10:52:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:52:56,342 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 [2025-03-04 10:52:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:56,347 INFO L225 Difference]: With dead ends: 606 [2025-03-04 10:52:56,347 INFO L226 Difference]: Without dead ends: 296 [2025-03-04 10:52:56,349 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 [2025-03-04 10:52:56,351 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 [2025-03-04 10:52:56,355 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] [2025-03-04 10:52:56,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-03-04 10:52:56,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2025-03-04 10:52:56,388 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) [2025-03-04 10:52:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 306 transitions. [2025-03-04 10:52:56,396 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 306 transitions. Word has length 4 [2025-03-04 10:52:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:56,397 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 306 transitions. [2025-03-04 10:52:56,397 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) [2025-03-04 10:52:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 306 transitions. [2025-03-04 10:52:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-04 10:52:56,397 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:56,397 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:52:56,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:52:56,398 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)] === [2025-03-04 10:52:56,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:56,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1418391353, now seen corresponding path program 1 times [2025-03-04 10:52:56,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:56,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534968018] [2025-03-04 10:52:56,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:56,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:56,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-04 10:52:56,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-04 10:52:56,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:56,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 10:52:56,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:56,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534968018] [2025-03-04 10:52:56,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534968018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:56,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:56,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:56,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036167563] [2025-03-04 10:52:56,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:56,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:56,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:56,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:56,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:56,444 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) [2025-03-04 10:52:56,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:56,566 INFO L93 Difference]: Finished difference Result 564 states and 584 transitions. [2025-03-04 10:52:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:56,566 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 [2025-03-04 10:52:56,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:56,569 INFO L225 Difference]: With dead ends: 564 [2025-03-04 10:52:56,569 INFO L226 Difference]: Without dead ends: 544 [2025-03-04 10:52:56,570 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 [2025-03-04 10:52:56,570 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 [2025-03-04 10:52:56,570 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] [2025-03-04 10:52:56,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2025-03-04 10:52:56,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 354. [2025-03-04 10:52:56,596 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) [2025-03-04 10:52:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 397 transitions. [2025-03-04 10:52:56,599 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 397 transitions. Word has length 7 [2025-03-04 10:52:56,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:56,599 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 397 transitions. [2025-03-04 10:52:56,599 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) [2025-03-04 10:52:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 397 transitions. [2025-03-04 10:52:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 10:52:56,600 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:56,600 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] [2025-03-04 10:52:56,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 10:52:56,601 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)] === [2025-03-04 10:52:56,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:56,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1941662720, now seen corresponding path program 1 times [2025-03-04 10:52:56,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:56,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675665261] [2025-03-04 10:52:56,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:56,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:56,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 10:52:56,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 10:52:56,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:56,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:56,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [588202356] [2025-03-04 10:52:56,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:56,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:56,639 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) [2025-03-04 10:52:56,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 10:52:56,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 10:52:56,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 10:52:56,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:56,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:56,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:52:56,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:56,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:56,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:56,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675665261] [2025-03-04 10:52:56,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:56,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588202356] [2025-03-04 10:52:56,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588202356] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:56,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:56,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:56,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305512540] [2025-03-04 10:52:56,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:56,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:56,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:56,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:56,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:56,829 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) [2025-03-04 10:52:57,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:57,254 INFO L93 Difference]: Finished difference Result 514 states and 572 transitions. [2025-03-04 10:52:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:57,254 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 [2025-03-04 10:52:57,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:57,256 INFO L225 Difference]: With dead ends: 514 [2025-03-04 10:52:57,256 INFO L226 Difference]: Without dead ends: 459 [2025-03-04 10:52:57,257 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 [2025-03-04 10:52:57,257 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 [2025-03-04 10:52:57,257 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] [2025-03-04 10:52:57,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2025-03-04 10:52:57,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 439. [2025-03-04 10:52:57,277 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) [2025-03-04 10:52:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 510 transitions. [2025-03-04 10:52:57,279 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 510 transitions. Word has length 40 [2025-03-04 10:52:57,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:57,280 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 510 transitions. [2025-03-04 10:52:57,280 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) [2025-03-04 10:52:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 510 transitions. [2025-03-04 10:52:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 10:52:57,280 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:57,281 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] [2025-03-04 10:52:57,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 10:52:57,484 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 [2025-03-04 10:52:57,484 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)] === [2025-03-04 10:52:57,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1922060450, now seen corresponding path program 1 times [2025-03-04 10:52:57,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:57,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061117656] [2025-03-04 10:52:57,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:57,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:57,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 10:52:57,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 10:52:57,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:57,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:57,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:57,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061117656] [2025-03-04 10:52:57,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061117656] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:57,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:57,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:57,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76623092] [2025-03-04 10:52:57,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:57,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:57,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:57,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:57,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:57,567 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) [2025-03-04 10:52:57,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:57,774 INFO L93 Difference]: Finished difference Result 472 states and 517 transitions. [2025-03-04 10:52:57,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:57,775 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 [2025-03-04 10:52:57,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:57,778 INFO L225 Difference]: With dead ends: 472 [2025-03-04 10:52:57,778 INFO L226 Difference]: Without dead ends: 449 [2025-03-04 10:52:57,779 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 [2025-03-04 10:52:57,779 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 120 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2025-03-04 10:52:57,779 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] [2025-03-04 10:52:57,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-04 10:52:57,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-04 10:52:57,801 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) [2025-03-04 10:52:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 487 transitions. [2025-03-04 10:52:57,803 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 487 transitions. Word has length 42 [2025-03-04 10:52:57,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:57,803 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 487 transitions. [2025-03-04 10:52:57,803 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) [2025-03-04 10:52:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 487 transitions. [2025-03-04 10:52:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-04 10:52:57,804 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:57,804 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] [2025-03-04 10:52:57,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:52:57,805 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)] === [2025-03-04 10:52:57,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash -264148292, now seen corresponding path program 1 times [2025-03-04 10:52:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:57,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274253489] [2025-03-04 10:52:57,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:57,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:52:57,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:52:57,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:57,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:57,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:57,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274253489] [2025-03-04 10:52:57,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274253489] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:57,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:57,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:57,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259972815] [2025-03-04 10:52:57,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:57,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:57,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:57,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:57,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:57,896 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) [2025-03-04 10:52:58,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:58,393 INFO L93 Difference]: Finished difference Result 451 states and 494 transitions. [2025-03-04 10:52:58,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:58,393 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 [2025-03-04 10:52:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:58,395 INFO L225 Difference]: With dead ends: 451 [2025-03-04 10:52:58,395 INFO L226 Difference]: Without dead ends: 449 [2025-03-04 10:52:58,395 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 [2025-03-04 10:52:58,396 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, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:52:58,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 528 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:52:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-04 10:52:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-04 10:52:58,403 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) [2025-03-04 10:52:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 485 transitions. [2025-03-04 10:52:58,404 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 485 transitions. Word has length 44 [2025-03-04 10:52:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:58,404 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 485 transitions. [2025-03-04 10:52:58,405 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) [2025-03-04 10:52:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 485 transitions. [2025-03-04 10:52:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 10:52:58,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:58,405 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] [2025-03-04 10:52:58,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:52:58,405 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)] === [2025-03-04 10:52:58,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:58,406 INFO L85 PathProgramCache]: Analyzing trace with hash 401337751, now seen corresponding path program 1 times [2025-03-04 10:52:58,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:58,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519638084] [2025-03-04 10:52:58,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:58,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:58,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:52:58,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:52:58,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:58,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:58,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:58,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519638084] [2025-03-04 10:52:58,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519638084] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:58,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:58,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:58,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526284171] [2025-03-04 10:52:58,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:58,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:58,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:58,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:58,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:58,481 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) [2025-03-04 10:52:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:58,816 INFO L93 Difference]: Finished difference Result 451 states and 492 transitions. [2025-03-04 10:52:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:52:58,817 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 [2025-03-04 10:52:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:58,819 INFO L225 Difference]: With dead ends: 451 [2025-03-04 10:52:58,820 INFO L226 Difference]: Without dead ends: 449 [2025-03-04 10:52:58,820 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 [2025-03-04 10:52:58,821 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 255 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2025-03-04 10:52:58,822 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] [2025-03-04 10:52:58,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-04 10:52:58,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 439. [2025-03-04 10:52:58,833 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) [2025-03-04 10:52:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 483 transitions. [2025-03-04 10:52:58,835 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 483 transitions. Word has length 45 [2025-03-04 10:52:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:58,835 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 483 transitions. [2025-03-04 10:52:58,835 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) [2025-03-04 10:52:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 483 transitions. [2025-03-04 10:52:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-04 10:52:58,838 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:58,838 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] [2025-03-04 10:52:58,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 10:52:58,838 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)] === [2025-03-04 10:52:58,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:58,838 INFO L85 PathProgramCache]: Analyzing trace with hash -935804552, now seen corresponding path program 1 times [2025-03-04 10:52:58,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:58,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302452636] [2025-03-04 10:52:58,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:58,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:58,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:52:58,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:52:58,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:58,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:52:58,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674334356] [2025-03-04 10:52:58,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:58,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:52:58,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:52:58,862 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) [2025-03-04 10:52:58,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 10:52:58,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-04 10:52:58,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-04 10:52:58,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:58,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:58,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:52:58,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:52:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:59,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:52:59,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:59,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302452636] [2025-03-04 10:52:59,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:52:59,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674334356] [2025-03-04 10:52:59,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674334356] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:59,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:59,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:52:59,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773686905] [2025-03-04 10:52:59,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:59,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:52:59,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:59,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:52:59,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:52:59,097 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) [2025-03-04 10:52:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:52:59,404 INFO L93 Difference]: Finished difference Result 456 states and 490 transitions. [2025-03-04 10:52:59,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:52:59,405 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 [2025-03-04 10:52:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:52:59,406 INFO L225 Difference]: With dead ends: 456 [2025-03-04 10:52:59,407 INFO L226 Difference]: Without dead ends: 447 [2025-03-04 10:52:59,407 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 [2025-03-04 10:52:59,407 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 [2025-03-04 10:52:59,407 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] [2025-03-04 10:52:59,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2025-03-04 10:52:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 442. [2025-03-04 10:52:59,417 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) [2025-03-04 10:52:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 480 transitions. [2025-03-04 10:52:59,419 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 480 transitions. Word has length 48 [2025-03-04 10:52:59,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:52:59,419 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 480 transitions. [2025-03-04 10:52:59,419 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) [2025-03-04 10:52:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 480 transitions. [2025-03-04 10:52:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-04 10:52:59,420 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:52:59,420 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] [2025-03-04 10:52:59,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 10:52:59,620 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 [2025-03-04 10:52:59,620 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)] === [2025-03-04 10:52:59,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:52:59,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1054830163, now seen corresponding path program 1 times [2025-03-04 10:52:59,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:52:59,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095560900] [2025-03-04 10:52:59,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:52:59,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:52:59,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-04 10:52:59,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-04 10:52:59,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:52:59,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:52:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:52:59,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:52:59,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095560900] [2025-03-04 10:52:59,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095560900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:52:59,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:52:59,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:52:59,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779946272] [2025-03-04 10:52:59,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:52:59,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:52:59,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:52:59,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:52:59,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:52:59,714 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) [2025-03-04 10:53:00,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:00,091 INFO L93 Difference]: Finished difference Result 455 states and 481 transitions. [2025-03-04 10:53:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:00,092 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 [2025-03-04 10:53:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:00,095 INFO L225 Difference]: With dead ends: 455 [2025-03-04 10:53:00,095 INFO L226 Difference]: Without dead ends: 449 [2025-03-04 10:53:00,095 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 [2025-03-04 10:53:00,096 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, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:00,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 417 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:53:00,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-04 10:53:00,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 442. [2025-03-04 10:53:00,106 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) [2025-03-04 10:53:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 474 transitions. [2025-03-04 10:53:00,108 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 474 transitions. Word has length 49 [2025-03-04 10:53:00,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:00,108 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 474 transitions. [2025-03-04 10:53:00,108 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) [2025-03-04 10:53:00,108 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 474 transitions. [2025-03-04 10:53:00,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 10:53:00,109 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:00,109 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] [2025-03-04 10:53:00,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 10:53:00,109 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)] === [2025-03-04 10:53:00,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:00,112 INFO L85 PathProgramCache]: Analyzing trace with hash -899125489, now seen corresponding path program 1 times [2025-03-04 10:53:00,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:00,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057346845] [2025-03-04 10:53:00,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:00,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:00,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 10:53:00,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 10:53:00,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:00,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 10:53:00,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:00,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057346845] [2025-03-04 10:53:00,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057346845] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:00,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:00,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:00,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904655001] [2025-03-04 10:53:00,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:00,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:00,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:00,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:00,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:00,233 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) [2025-03-04 10:53:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:00,701 INFO L93 Difference]: Finished difference Result 453 states and 475 transitions. [2025-03-04 10:53:00,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:00,701 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 [2025-03-04 10:53:00,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:00,703 INFO L225 Difference]: With dead ends: 453 [2025-03-04 10:53:00,703 INFO L226 Difference]: Without dead ends: 380 [2025-03-04 10:53:00,703 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 [2025-03-04 10:53:00,704 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 119 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2025-03-04 10:53:00,704 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] [2025-03-04 10:53:00,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-03-04 10:53:00,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2025-03-04 10:53:00,715 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) [2025-03-04 10:53:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 399 transitions. [2025-03-04 10:53:00,717 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 399 transitions. Word has length 53 [2025-03-04 10:53:00,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:00,717 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 399 transitions. [2025-03-04 10:53:00,718 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) [2025-03-04 10:53:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 399 transitions. [2025-03-04 10:53:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 10:53:00,719 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:00,719 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] [2025-03-04 10:53:00,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 10:53:00,719 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)] === [2025-03-04 10:53:00,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:00,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1828896756, now seen corresponding path program 1 times [2025-03-04 10:53:00,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:00,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221777564] [2025-03-04 10:53:00,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:00,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:00,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:53:00,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:53:00,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:00,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:00,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:00,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221777564] [2025-03-04 10:53:00,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221777564] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:00,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:00,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:00,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740407200] [2025-03-04 10:53:00,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:00,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:00,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:00,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:00,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:00,797 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) [2025-03-04 10:53:01,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:01,001 INFO L93 Difference]: Finished difference Result 376 states and 399 transitions. [2025-03-04 10:53:01,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:01,001 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 [2025-03-04 10:53:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:01,003 INFO L225 Difference]: With dead ends: 376 [2025-03-04 10:53:01,003 INFO L226 Difference]: Without dead ends: 369 [2025-03-04 10:53:01,003 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 [2025-03-04 10:53:01,004 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 [2025-03-04 10:53:01,004 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] [2025-03-04 10:53:01,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-04 10:53:01,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-04 10:53:01,014 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) [2025-03-04 10:53:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 392 transitions. [2025-03-04 10:53:01,016 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 392 transitions. Word has length 85 [2025-03-04 10:53:01,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:01,016 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 392 transitions. [2025-03-04 10:53:01,016 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) [2025-03-04 10:53:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 392 transitions. [2025-03-04 10:53:01,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-04 10:53:01,017 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:01,017 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] [2025-03-04 10:53:01,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 10:53:01,017 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)] === [2025-03-04 10:53:01,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:01,018 INFO L85 PathProgramCache]: Analyzing trace with hash -861224441, now seen corresponding path program 1 times [2025-03-04 10:53:01,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:01,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625971557] [2025-03-04 10:53:01,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:01,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:01,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 10:53:01,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 10:53:01,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:01,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:01,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:01,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625971557] [2025-03-04 10:53:01,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625971557] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:01,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:01,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:01,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366372519] [2025-03-04 10:53:01,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:01,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:01,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:01,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:01,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:01,099 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) [2025-03-04 10:53:01,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:01,365 INFO L93 Difference]: Finished difference Result 376 states and 395 transitions. [2025-03-04 10:53:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:01,366 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 [2025-03-04 10:53:01,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:01,367 INFO L225 Difference]: With dead ends: 376 [2025-03-04 10:53:01,367 INFO L226 Difference]: Without dead ends: 375 [2025-03-04 10:53:01,367 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 [2025-03-04 10:53:01,368 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, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:01,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 428 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:53:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-03-04 10:53:01,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2025-03-04 10:53:01,378 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) [2025-03-04 10:53:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 394 transitions. [2025-03-04 10:53:01,380 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 394 transitions. Word has length 86 [2025-03-04 10:53:01,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:01,380 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 394 transitions. [2025-03-04 10:53:01,380 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) [2025-03-04 10:53:01,380 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 394 transitions. [2025-03-04 10:53:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-04 10:53:01,382 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:01,382 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] [2025-03-04 10:53:01,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 10:53:01,382 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)] === [2025-03-04 10:53:01,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:01,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1376228870, now seen corresponding path program 1 times [2025-03-04 10:53:01,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:01,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234185045] [2025-03-04 10:53:01,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:01,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:01,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 10:53:01,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 10:53:01,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:01,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:01,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:01,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234185045] [2025-03-04 10:53:01,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234185045] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:01,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:01,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:01,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66450016] [2025-03-04 10:53:01,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:01,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:01,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:01,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:01,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:01,489 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) [2025-03-04 10:53:01,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:01,556 INFO L93 Difference]: Finished difference Result 371 states and 394 transitions. [2025-03-04 10:53:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:01,556 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 [2025-03-04 10:53:01,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:01,558 INFO L225 Difference]: With dead ends: 371 [2025-03-04 10:53:01,558 INFO L226 Difference]: Without dead ends: 369 [2025-03-04 10:53:01,558 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 [2025-03-04 10:53:01,558 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 [2025-03-04 10:53:01,559 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] [2025-03-04 10:53:01,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-04 10:53:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2025-03-04 10:53:01,569 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) [2025-03-04 10:53:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 390 transitions. [2025-03-04 10:53:01,571 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 390 transitions. Word has length 88 [2025-03-04 10:53:01,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:01,572 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 390 transitions. [2025-03-04 10:53:01,572 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) [2025-03-04 10:53:01,572 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 390 transitions. [2025-03-04 10:53:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-04 10:53:01,573 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:01,573 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] [2025-03-04 10:53:01,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 10:53:01,573 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)] === [2025-03-04 10:53:01,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:01,574 INFO L85 PathProgramCache]: Analyzing trace with hash -286577856, now seen corresponding path program 1 times [2025-03-04 10:53:01,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:01,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529180328] [2025-03-04 10:53:01,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:01,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:53:01,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:53:01,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:01,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:01,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529180328] [2025-03-04 10:53:01,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529180328] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:01,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:01,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:53:01,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646172379] [2025-03-04 10:53:01,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:01,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:01,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:01,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:01,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:53:01,668 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) [2025-03-04 10:53:01,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:01,825 INFO L93 Difference]: Finished difference Result 373 states and 390 transitions. [2025-03-04 10:53:01,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:01,825 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 [2025-03-04 10:53:01,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:01,827 INFO L225 Difference]: With dead ends: 373 [2025-03-04 10:53:01,827 INFO L226 Difference]: Without dead ends: 369 [2025-03-04 10:53:01,827 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 [2025-03-04 10:53:01,827 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 [2025-03-04 10:53:01,827 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] [2025-03-04 10:53:01,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-04 10:53:01,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2025-03-04 10:53:01,835 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) [2025-03-04 10:53:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 386 transitions. [2025-03-04 10:53:01,837 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 386 transitions. Word has length 89 [2025-03-04 10:53:01,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:01,837 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 386 transitions. [2025-03-04 10:53:01,837 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) [2025-03-04 10:53:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 386 transitions. [2025-03-04 10:53:01,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-04 10:53:01,837 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:01,838 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] [2025-03-04 10:53:01,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 10:53:01,838 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)] === [2025-03-04 10:53:01,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:01,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1292008901, now seen corresponding path program 1 times [2025-03-04 10:53:01,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:01,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141494592] [2025-03-04 10:53:01,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:01,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:01,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 10:53:01,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 10:53:01,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:01,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:01,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141494592] [2025-03-04 10:53:01,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141494592] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585641192] [2025-03-04 10:53:01,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:01,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:01,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:01,933 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) [2025-03-04 10:53:01,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 10:53:01,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-04 10:53:01,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-04 10:53:01,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:01,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:01,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:01,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:02,089 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:02,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585641192] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:02,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:02,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-04 10:53:02,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108849572] [2025-03-04 10:53:02,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:02,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:02,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:02,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:02,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:02,092 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) [2025-03-04 10:53:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:02,116 INFO L93 Difference]: Finished difference Result 367 states and 386 transitions. [2025-03-04 10:53:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:02,117 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 [2025-03-04 10:53:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:02,118 INFO L225 Difference]: With dead ends: 367 [2025-03-04 10:53:02,118 INFO L226 Difference]: Without dead ends: 366 [2025-03-04 10:53:02,118 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 [2025-03-04 10:53:02,119 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 [2025-03-04 10:53:02,119 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] [2025-03-04 10:53:02,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-03-04 10:53:02,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2025-03-04 10:53:02,128 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) [2025-03-04 10:53:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2025-03-04 10:53:02,129 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 88 [2025-03-04 10:53:02,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:02,130 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2025-03-04 10:53:02,130 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) [2025-03-04 10:53:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2025-03-04 10:53:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-04 10:53:02,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:02,131 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] [2025-03-04 10:53:02,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:02,331 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 [2025-03-04 10:53:02,332 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)] === [2025-03-04 10:53:02,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:02,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1397570531, now seen corresponding path program 1 times [2025-03-04 10:53:02,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:02,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994128423] [2025-03-04 10:53:02,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:02,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:02,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:53:02,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:53:02,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:02,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:02,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:02,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994128423] [2025-03-04 10:53:02,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994128423] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:02,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523687289] [2025-03-04 10:53:02,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:02,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:02,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:02,421 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) [2025-03-04 10:53:02,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 10:53:02,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-04 10:53:02,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-04 10:53:02,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:02,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:02,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:02,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:02,578 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:02,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523687289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:02,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:02,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-04 10:53:02,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119875892] [2025-03-04 10:53:02,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:02,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:02,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:02,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:02,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:02,580 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) [2025-03-04 10:53:02,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:02,641 INFO L93 Difference]: Finished difference Result 535 states and 557 transitions. [2025-03-04 10:53:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:53:02,642 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 [2025-03-04 10:53:02,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:02,644 INFO L225 Difference]: With dead ends: 535 [2025-03-04 10:53:02,644 INFO L226 Difference]: Without dead ends: 534 [2025-03-04 10:53:02,645 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 [2025-03-04 10:53:02,646 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 [2025-03-04 10:53:02,646 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] [2025-03-04 10:53:02,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-03-04 10:53:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 442. [2025-03-04 10:53:02,660 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) [2025-03-04 10:53:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 526 transitions. [2025-03-04 10:53:02,661 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 526 transitions. Word has length 89 [2025-03-04 10:53:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:02,662 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 526 transitions. [2025-03-04 10:53:02,662 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) [2025-03-04 10:53:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 526 transitions. [2025-03-04 10:53:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-04 10:53:02,663 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:02,663 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] [2025-03-04 10:53:02,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:02,863 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 [2025-03-04 10:53:02,863 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)] === [2025-03-04 10:53:02,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:02,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1259474975, now seen corresponding path program 1 times [2025-03-04 10:53:02,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:02,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816785375] [2025-03-04 10:53:02,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:02,869 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-04 10:53:02,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 10:53:02,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:02,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:02,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:02,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816785375] [2025-03-04 10:53:02,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816785375] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:02,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474031943] [2025-03-04 10:53:02,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:02,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:02,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:02,915 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) [2025-03-04 10:53:02,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 10:53:02,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-04 10:53:02,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-04 10:53:02,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:02,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:02,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:53:02,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:03,030 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:03,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474031943] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:03,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:03,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-04 10:53:03,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639256884] [2025-03-04 10:53:03,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:03,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:03,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:03,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:03,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:53:03,031 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) [2025-03-04 10:53:03,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:03,116 INFO L93 Difference]: Finished difference Result 444 states and 526 transitions. [2025-03-04 10:53:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:03,116 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 [2025-03-04 10:53:03,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:03,120 INFO L225 Difference]: With dead ends: 444 [2025-03-04 10:53:03,120 INFO L226 Difference]: Without dead ends: 436 [2025-03-04 10:53:03,121 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 [2025-03-04 10:53:03,121 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 [2025-03-04 10:53:03,121 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] [2025-03-04 10:53:03,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2025-03-04 10:53:03,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 434. [2025-03-04 10:53:03,131 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) [2025-03-04 10:53:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 516 transitions. [2025-03-04 10:53:03,133 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 516 transitions. Word has length 91 [2025-03-04 10:53:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:03,133 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 516 transitions. [2025-03-04 10:53:03,133 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) [2025-03-04 10:53:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 516 transitions. [2025-03-04 10:53:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-04 10:53:03,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:03,135 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] [2025-03-04 10:53:03,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:03,339 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 [2025-03-04 10:53:03,339 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)] === [2025-03-04 10:53:03,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:03,341 INFO L85 PathProgramCache]: Analyzing trace with hash -389018303, now seen corresponding path program 1 times [2025-03-04 10:53:03,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:03,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549092688] [2025-03-04 10:53:03,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:03,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:03,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:53:03,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:53:03,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:03,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:03,390 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:03,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:03,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549092688] [2025-03-04 10:53:03,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549092688] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:03,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437624088] [2025-03-04 10:53:03,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:03,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:03,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:03,393 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) [2025-03-04 10:53:03,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 10:53:03,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-04 10:53:03,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-04 10:53:03,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:03,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:03,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:53:03,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:03,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:03,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437624088] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:03,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:03,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-04 10:53:03,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115881116] [2025-03-04 10:53:03,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:03,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:53:03,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:03,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:53:03,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:53:03,614 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) [2025-03-04 10:53:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:03,769 INFO L93 Difference]: Finished difference Result 779 states and 948 transitions. [2025-03-04 10:53:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:03,770 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 [2025-03-04 10:53:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:03,773 INFO L225 Difference]: With dead ends: 779 [2025-03-04 10:53:03,773 INFO L226 Difference]: Without dead ends: 771 [2025-03-04 10:53:03,773 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 [2025-03-04 10:53:03,774 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 [2025-03-04 10:53:03,774 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] [2025-03-04 10:53:03,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2025-03-04 10:53:03,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 505. [2025-03-04 10:53:03,787 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) [2025-03-04 10:53:03,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 627 transitions. [2025-03-04 10:53:03,788 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 627 transitions. Word has length 92 [2025-03-04 10:53:03,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:03,789 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 627 transitions. [2025-03-04 10:53:03,789 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) [2025-03-04 10:53:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 627 transitions. [2025-03-04 10:53:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 10:53:03,790 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:03,790 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] [2025-03-04 10:53:03,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 10:53:03,990 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 [2025-03-04 10:53:03,990 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)] === [2025-03-04 10:53:03,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:03,991 INFO L85 PathProgramCache]: Analyzing trace with hash -607411062, now seen corresponding path program 1 times [2025-03-04 10:53:03,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:03,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611897682] [2025-03-04 10:53:03,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:03,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:03,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:53:04,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:53:04,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:04,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:04,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611897682] [2025-03-04 10:53:04,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611897682] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420525628] [2025-03-04 10:53:04,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:04,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:04,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:04,086 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) [2025-03-04 10:53:04,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 10:53:04,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:53:04,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:53:04,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:04,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:04,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:53:04,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:53:04,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:04,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420525628] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:04,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:04,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-03-04 10:53:04,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041369869] [2025-03-04 10:53:04,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:04,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:53:04,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:04,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:53:04,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:53:04,316 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) [2025-03-04 10:53:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:04,473 INFO L93 Difference]: Finished difference Result 1136 states and 1237 transitions. [2025-03-04 10:53:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:53:04,473 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 [2025-03-04 10:53:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:04,476 INFO L225 Difference]: With dead ends: 1136 [2025-03-04 10:53:04,476 INFO L226 Difference]: Without dead ends: 966 [2025-03-04 10:53:04,476 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 [2025-03-04 10:53:04,477 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 [2025-03-04 10:53:04,477 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] [2025-03-04 10:53:04,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2025-03-04 10:53:04,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 719. [2025-03-04 10:53:04,494 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) [2025-03-04 10:53:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1001 transitions. [2025-03-04 10:53:04,497 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1001 transitions. Word has length 101 [2025-03-04 10:53:04,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:04,497 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1001 transitions. [2025-03-04 10:53:04,497 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) [2025-03-04 10:53:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1001 transitions. [2025-03-04 10:53:04,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-04 10:53:04,498 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:04,498 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] [2025-03-04 10:53:04,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-04 10:53:04,699 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 [2025-03-04 10:53:04,699 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)] === [2025-03-04 10:53:04,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:04,700 INFO L85 PathProgramCache]: Analyzing trace with hash 979995133, now seen corresponding path program 1 times [2025-03-04 10:53:04,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:04,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283293823] [2025-03-04 10:53:04,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:04,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:04,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-04 10:53:04,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-04 10:53:04,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:04,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:04,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658093251] [2025-03-04 10:53:04,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:04,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:04,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:04,720 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) [2025-03-04 10:53:04,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 10:53:04,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-04 10:53:04,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-04 10:53:04,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:04,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:04,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:53:04,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:04,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:53:04,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:04,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283293823] [2025-03-04 10:53:04,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:04,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658093251] [2025-03-04 10:53:04,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658093251] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:04,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:04,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-04 10:53:04,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806105154] [2025-03-04 10:53:04,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:04,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:53:04,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:04,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:53:04,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:53:04,968 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) [2025-03-04 10:53:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:05,136 INFO L93 Difference]: Finished difference Result 928 states and 1061 transitions. [2025-03-04 10:53:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:05,137 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 [2025-03-04 10:53:05,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:05,139 INFO L225 Difference]: With dead ends: 928 [2025-03-04 10:53:05,139 INFO L226 Difference]: Without dead ends: 922 [2025-03-04 10:53:05,140 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 [2025-03-04 10:53:05,140 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 [2025-03-04 10:53:05,140 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] [2025-03-04 10:53:05,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2025-03-04 10:53:05,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 714. [2025-03-04 10:53:05,159 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) [2025-03-04 10:53:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 988 transitions. [2025-03-04 10:53:05,162 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 988 transitions. Word has length 103 [2025-03-04 10:53:05,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:05,162 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 988 transitions. [2025-03-04 10:53:05,162 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) [2025-03-04 10:53:05,162 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 988 transitions. [2025-03-04 10:53:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-04 10:53:05,163 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:05,163 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] [2025-03-04 10:53:05,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:05,363 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 [2025-03-04 10:53:05,364 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)] === [2025-03-04 10:53:05,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:05,364 INFO L85 PathProgramCache]: Analyzing trace with hash -759090339, now seen corresponding path program 1 times [2025-03-04 10:53:05,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:05,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247574302] [2025-03-04 10:53:05,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:05,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-04 10:53:05,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-04 10:53:05,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:05,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:05,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606564715] [2025-03-04 10:53:05,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:05,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:05,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:05,383 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) [2025-03-04 10:53:05,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-04 10:53:05,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-04 10:53:05,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-04 10:53:05,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:05,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:05,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:05,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-04 10:53:05,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:05,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247574302] [2025-03-04 10:53:05,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606564715] [2025-03-04 10:53:05,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606564715] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:05,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:05,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:05,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546430880] [2025-03-04 10:53:05,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:05,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:05,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:05,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:05,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:05,558 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) [2025-03-04 10:53:05,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:05,778 INFO L93 Difference]: Finished difference Result 715 states and 988 transitions. [2025-03-04 10:53:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:05,779 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 [2025-03-04 10:53:05,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:05,782 INFO L225 Difference]: With dead ends: 715 [2025-03-04 10:53:05,782 INFO L226 Difference]: Without dead ends: 714 [2025-03-04 10:53:05,782 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 [2025-03-04 10:53:05,783 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 73 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2025-03-04 10:53:05,783 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] [2025-03-04 10:53:05,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-04 10:53:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 714. [2025-03-04 10:53:05,802 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) [2025-03-04 10:53:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 987 transitions. [2025-03-04 10:53:05,805 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 987 transitions. Word has length 105 [2025-03-04 10:53:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:05,805 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 987 transitions. [2025-03-04 10:53:05,806 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) [2025-03-04 10:53:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 987 transitions. [2025-03-04 10:53:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-04 10:53:05,806 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:05,806 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] [2025-03-04 10:53:05,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-04 10:53:06,009 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 [2025-03-04 10:53:06,009 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)] === [2025-03-04 10:53:06,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2056963920, now seen corresponding path program 1 times [2025-03-04 10:53:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182474996] [2025-03-04 10:53:06,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:06,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-04 10:53:06,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-04 10:53:06,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:06,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064260360] [2025-03-04 10:53:06,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:06,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:06,028 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) [2025-03-04 10:53:06,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-04 10:53:06,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-04 10:53:06,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-04 10:53:06,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:06,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:53:06,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-04 10:53:06,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:06,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:06,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182474996] [2025-03-04 10:53:06,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:06,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064260360] [2025-03-04 10:53:06,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064260360] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:06,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:06,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:53:06,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345690478] [2025-03-04 10:53:06,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:06,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:53:06,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:06,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:53:06,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:53:06,257 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) [2025-03-04 10:53:06,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:06,564 INFO L93 Difference]: Finished difference Result 715 states and 987 transitions. [2025-03-04 10:53:06,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:53:06,564 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 [2025-03-04 10:53:06,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:06,566 INFO L225 Difference]: With dead ends: 715 [2025-03-04 10:53:06,566 INFO L226 Difference]: Without dead ends: 694 [2025-03-04 10:53:06,567 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 [2025-03-04 10:53:06,567 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 [2025-03-04 10:53:06,567 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] [2025-03-04 10:53:06,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2025-03-04 10:53:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2025-03-04 10:53:06,582 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) [2025-03-04 10:53:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 964 transitions. [2025-03-04 10:53:06,583 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 964 transitions. Word has length 106 [2025-03-04 10:53:06,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:06,584 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 964 transitions. [2025-03-04 10:53:06,584 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) [2025-03-04 10:53:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 964 transitions. [2025-03-04 10:53:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 10:53:06,584 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:06,584 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] [2025-03-04 10:53:06,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:06,785 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 [2025-03-04 10:53:06,785 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)] === [2025-03-04 10:53:06,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:06,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1927118886, now seen corresponding path program 1 times [2025-03-04 10:53:06,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:06,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892423432] [2025-03-04 10:53:06,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:06,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:53:06,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:53:06,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:06,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502363321] [2025-03-04 10:53:06,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:06,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:06,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:06,803 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) [2025-03-04 10:53:06,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-04 10:53:06,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 10:53:06,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 10:53:06,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:06,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:06,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:53:06,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:07,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:53:07,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:07,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892423432] [2025-03-04 10:53:07,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:07,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502363321] [2025-03-04 10:53:07,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502363321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:07,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:07,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:53:07,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533756511] [2025-03-04 10:53:07,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:07,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:07,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:07,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:07,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:53:07,057 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) [2025-03-04 10:53:07,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:07,469 INFO L93 Difference]: Finished difference Result 694 states and 964 transitions. [2025-03-04 10:53:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:53:07,470 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 [2025-03-04 10:53:07,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:07,472 INFO L225 Difference]: With dead ends: 694 [2025-03-04 10:53:07,473 INFO L226 Difference]: Without dead ends: 684 [2025-03-04 10:53:07,473 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 [2025-03-04 10:53:07,475 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 [2025-03-04 10:53:07,476 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] [2025-03-04 10:53:07,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-03-04 10:53:07,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2025-03-04 10:53:07,491 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) [2025-03-04 10:53:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 934 transitions. [2025-03-04 10:53:07,493 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 934 transitions. Word has length 124 [2025-03-04 10:53:07,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:07,493 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 934 transitions. [2025-03-04 10:53:07,493 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) [2025-03-04 10:53:07,493 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 934 transitions. [2025-03-04 10:53:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-04 10:53:07,494 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:07,494 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] [2025-03-04 10:53:07,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:07,694 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 [2025-03-04 10:53:07,695 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)] === [2025-03-04 10:53:07,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:07,695 INFO L85 PathProgramCache]: Analyzing trace with hash -388856459, now seen corresponding path program 1 times [2025-03-04 10:53:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:07,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963160882] [2025-03-04 10:53:07,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:07,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 10:53:07,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 10:53:07,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:07,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:07,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113908853] [2025-03-04 10:53:07,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:07,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:07,712 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) [2025-03-04 10:53:07,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-04 10:53:07,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 10:53:07,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 10:53:07,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:07,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:07,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:53:07,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:07,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:08,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:08,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963160882] [2025-03-04 10:53:08,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:08,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113908853] [2025-03-04 10:53:08,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113908853] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:08,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:08,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:53:08,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183330109] [2025-03-04 10:53:08,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:08,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:08,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:08,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:08,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:08,350 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) [2025-03-04 10:53:08,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:08,793 INFO L93 Difference]: Finished difference Result 737 states and 962 transitions. [2025-03-04 10:53:08,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:53:08,794 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 [2025-03-04 10:53:08,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:08,796 INFO L225 Difference]: With dead ends: 737 [2025-03-04 10:53:08,797 INFO L226 Difference]: Without dead ends: 714 [2025-03-04 10:53:08,797 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 [2025-03-04 10:53:08,797 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 131 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2025-03-04 10:53:08,797 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] [2025-03-04 10:53:08,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2025-03-04 10:53:08,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 696. [2025-03-04 10:53:08,814 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) [2025-03-04 10:53:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 932 transitions. [2025-03-04 10:53:08,816 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 932 transitions. Word has length 125 [2025-03-04 10:53:08,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:08,816 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 932 transitions. [2025-03-04 10:53:08,816 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) [2025-03-04 10:53:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 932 transitions. [2025-03-04 10:53:08,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-04 10:53:08,818 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:08,818 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] [2025-03-04 10:53:08,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-04 10:53:09,023 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 [2025-03-04 10:53:09,023 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)] === [2025-03-04 10:53:09,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:09,024 INFO L85 PathProgramCache]: Analyzing trace with hash 830351876, now seen corresponding path program 1 times [2025-03-04 10:53:09,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:09,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231346653] [2025-03-04 10:53:09,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:09,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:09,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 10:53:09,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 10:53:09,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:09,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:09,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:09,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231346653] [2025-03-04 10:53:09,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231346653] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:09,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070766311] [2025-03-04 10:53:09,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:09,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:09,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:09,109 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) [2025-03-04 10:53:09,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-04 10:53:09,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 10:53:09,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 10:53:09,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:09,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:09,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:09,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:09,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:09,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070766311] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:09,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:09,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-04 10:53:09,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460824378] [2025-03-04 10:53:09,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:09,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:09,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:09,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:09,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:09,460 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) [2025-03-04 10:53:09,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:09,880 INFO L93 Difference]: Finished difference Result 740 states and 939 transitions. [2025-03-04 10:53:09,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:09,880 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 [2025-03-04 10:53:09,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:09,882 INFO L225 Difference]: With dead ends: 740 [2025-03-04 10:53:09,882 INFO L226 Difference]: Without dead ends: 735 [2025-03-04 10:53:09,882 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 [2025-03-04 10:53:09,883 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, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:09,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 518 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:53:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2025-03-04 10:53:09,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 695. [2025-03-04 10:53:09,895 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) [2025-03-04 10:53:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 920 transitions. [2025-03-04 10:53:09,897 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 920 transitions. Word has length 126 [2025-03-04 10:53:09,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:09,898 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 920 transitions. [2025-03-04 10:53:09,898 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) [2025-03-04 10:53:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 920 transitions. [2025-03-04 10:53:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 10:53:09,898 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:09,898 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] [2025-03-04 10:53:09,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:10,103 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 [2025-03-04 10:53:10,103 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)] === [2025-03-04 10:53:10,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:10,104 INFO L85 PathProgramCache]: Analyzing trace with hash -28895405, now seen corresponding path program 1 times [2025-03-04 10:53:10,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:10,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394693916] [2025-03-04 10:53:10,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:10,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:10,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 10:53:10,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 10:53:10,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:10,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:10,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:10,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394693916] [2025-03-04 10:53:10,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394693916] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:10,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57363610] [2025-03-04 10:53:10,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:10,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:10,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:10,176 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) [2025-03-04 10:53:10,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-04 10:53:10,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 10:53:10,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 10:53:10,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:10,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:10,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:10,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:10,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:10,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57363610] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:10,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:10,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-04 10:53:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905185132] [2025-03-04 10:53:10,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:10,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:10,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:10,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:10,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:10,499 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) [2025-03-04 10:53:10,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:10,897 INFO L93 Difference]: Finished difference Result 739 states and 927 transitions. [2025-03-04 10:53:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:10,897 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 [2025-03-04 10:53:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:10,900 INFO L225 Difference]: With dead ends: 739 [2025-03-04 10:53:10,900 INFO L226 Difference]: Without dead ends: 734 [2025-03-04 10:53:10,900 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 [2025-03-04 10:53:10,900 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 [2025-03-04 10:53:10,901 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] [2025-03-04 10:53:10,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2025-03-04 10:53:10,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 694. [2025-03-04 10:53:10,914 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) [2025-03-04 10:53:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 908 transitions. [2025-03-04 10:53:10,916 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 908 transitions. Word has length 127 [2025-03-04 10:53:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:10,916 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 908 transitions. [2025-03-04 10:53:10,916 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) [2025-03-04 10:53:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 908 transitions. [2025-03-04 10:53:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-04 10:53:10,917 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:10,917 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] [2025-03-04 10:53:10,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-04 10:53:11,121 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 [2025-03-04 10:53:11,121 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)] === [2025-03-04 10:53:11,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:11,122 INFO L85 PathProgramCache]: Analyzing trace with hash -895757342, now seen corresponding path program 1 times [2025-03-04 10:53:11,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:11,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28483479] [2025-03-04 10:53:11,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:11,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-04 10:53:11,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-04 10:53:11,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:11,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1104565489] [2025-03-04 10:53:11,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:11,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:11,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:11,139 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) [2025-03-04 10:53:11,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-04 10:53:11,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-04 10:53:11,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-04 10:53:11,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:11,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:11,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:53:11,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:11,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:53:11,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:11,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28483479] [2025-03-04 10:53:11,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:11,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104565489] [2025-03-04 10:53:11,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104565489] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:11,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:11,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-04 10:53:11,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385390520] [2025-03-04 10:53:11,737 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:11,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:53:11,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:11,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:53:11,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:11,738 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) [2025-03-04 10:53:13,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:13,347 INFO L93 Difference]: Finished difference Result 759 states and 940 transitions. [2025-03-04 10:53:13,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:53:13,347 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 [2025-03-04 10:53:13,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:13,349 INFO L225 Difference]: With dead ends: 759 [2025-03-04 10:53:13,349 INFO L226 Difference]: Without dead ends: 664 [2025-03-04 10:53:13,350 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 [2025-03-04 10:53:13,350 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 406 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:13,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 510 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-04 10:53:13,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2025-03-04 10:53:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 641. [2025-03-04 10:53:13,364 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) [2025-03-04 10:53:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 814 transitions. [2025-03-04 10:53:13,365 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 814 transitions. Word has length 128 [2025-03-04 10:53:13,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:13,365 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 814 transitions. [2025-03-04 10:53:13,365 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) [2025-03-04 10:53:13,365 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 814 transitions. [2025-03-04 10:53:13,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-04 10:53:13,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:13,366 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] [2025-03-04 10:53:13,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:13,569 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 [2025-03-04 10:53:13,569 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)] === [2025-03-04 10:53:13,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:13,569 INFO L85 PathProgramCache]: Analyzing trace with hash -190293075, now seen corresponding path program 1 times [2025-03-04 10:53:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:13,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383761184] [2025-03-04 10:53:13,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:13,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 10:53:13,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 10:53:13,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-03-04 10:53:13,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:13,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383761184] [2025-03-04 10:53:13,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383761184] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:53:13,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:53:13,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:53:13,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747446094] [2025-03-04 10:53:13,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:53:13,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:53:13,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:13,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:53:13,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:53:13,617 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) [2025-03-04 10:53:13,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:13,856 INFO L93 Difference]: Finished difference Result 647 states and 814 transitions. [2025-03-04 10:53:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:53:13,857 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 [2025-03-04 10:53:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:13,858 INFO L225 Difference]: With dead ends: 647 [2025-03-04 10:53:13,858 INFO L226 Difference]: Without dead ends: 644 [2025-03-04 10:53:13,859 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 [2025-03-04 10:53:13,859 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 [2025-03-04 10:53:13,859 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] [2025-03-04 10:53:13,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-03-04 10:53:13,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 639. [2025-03-04 10:53:13,873 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) [2025-03-04 10:53:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 808 transitions. [2025-03-04 10:53:13,874 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 808 transitions. Word has length 170 [2025-03-04 10:53:13,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:13,875 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 808 transitions. [2025-03-04 10:53:13,875 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) [2025-03-04 10:53:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 808 transitions. [2025-03-04 10:53:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-04 10:53:13,876 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:13,876 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] [2025-03-04 10:53:13,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-04 10:53:13,876 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)] === [2025-03-04 10:53:13,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:13,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1348048934, now seen corresponding path program 1 times [2025-03-04 10:53:13,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:13,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034851297] [2025-03-04 10:53:13,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:13,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-04 10:53:13,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-04 10:53:13,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:13,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:13,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034851297] [2025-03-04 10:53:13,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034851297] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:13,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679797703] [2025-03-04 10:53:13,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:13,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:13,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:13,953 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) [2025-03-04 10:53:13,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-04 10:53:13,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-04 10:53:13,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-04 10:53:13,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:13,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:13,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:13,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:14,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:14,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679797703] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:14,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:14,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-04 10:53:14,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312153531] [2025-03-04 10:53:14,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:14,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:53:14,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:14,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:53:14,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:53:14,244 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) [2025-03-04 10:53:14,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:14,541 INFO L93 Difference]: Finished difference Result 724 states and 832 transitions. [2025-03-04 10:53:14,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:53:14,545 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 [2025-03-04 10:53:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:14,547 INFO L225 Difference]: With dead ends: 724 [2025-03-04 10:53:14,547 INFO L226 Difference]: Without dead ends: 722 [2025-03-04 10:53:14,547 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 [2025-03-04 10:53:14,548 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, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:14,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 763 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:53:14,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-03-04 10:53:14,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 637. [2025-03-04 10:53:14,564 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) [2025-03-04 10:53:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 800 transitions. [2025-03-04 10:53:14,565 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 800 transitions. Word has length 173 [2025-03-04 10:53:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:14,567 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 800 transitions. [2025-03-04 10:53:14,567 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) [2025-03-04 10:53:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 800 transitions. [2025-03-04 10:53:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-04 10:53:14,568 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:14,568 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] [2025-03-04 10:53:14,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:14,768 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 [2025-03-04 10:53:14,770 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)] === [2025-03-04 10:53:14,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:14,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1160156138, now seen corresponding path program 1 times [2025-03-04 10:53:14,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:14,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961346346] [2025-03-04 10:53:14,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:14,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-04 10:53:14,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-04 10:53:14,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:14,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:14,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946270835] [2025-03-04 10:53:14,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:14,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:14,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:14,794 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) [2025-03-04 10:53:14,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-04 10:53:14,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-03-04 10:53:14,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-03-04 10:53:14,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:14,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:14,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:53:14,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:15,220 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:15,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:15,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961346346] [2025-03-04 10:53:15,778 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:15,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946270835] [2025-03-04 10:53:15,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946270835] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:15,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:15,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:53:15,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935174498] [2025-03-04 10:53:15,778 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:15,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:15,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:15,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:15,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:15,779 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) [2025-03-04 10:53:16,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:16,218 INFO L93 Difference]: Finished difference Result 638 states and 800 transitions. [2025-03-04 10:53:16,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:16,218 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 [2025-03-04 10:53:16,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:16,220 INFO L225 Difference]: With dead ends: 638 [2025-03-04 10:53:16,220 INFO L226 Difference]: Without dead ends: 637 [2025-03-04 10:53:16,220 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 [2025-03-04 10:53:16,220 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 [2025-03-04 10:53:16,221 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] [2025-03-04 10:53:16,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-03-04 10:53:16,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2025-03-04 10:53:16,236 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) [2025-03-04 10:53:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 799 transitions. [2025-03-04 10:53:16,237 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 799 transitions. Word has length 174 [2025-03-04 10:53:16,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:16,237 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 799 transitions. [2025-03-04 10:53:16,237 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) [2025-03-04 10:53:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 799 transitions. [2025-03-04 10:53:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-03-04 10:53:16,238 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:16,238 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] [2025-03-04 10:53:16,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-04 10:53:16,442 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 [2025-03-04 10:53:16,442 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)] === [2025-03-04 10:53:16,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1605102040, now seen corresponding path program 1 times [2025-03-04 10:53:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:16,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122963210] [2025-03-04 10:53:16,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:16,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-04 10:53:16,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-04 10:53:16,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:16,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:16,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392363028] [2025-03-04 10:53:16,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:16,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:16,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:16,473 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) [2025-03-04 10:53:16,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-04 10:53:16,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-03-04 10:53:16,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-03-04 10:53:16,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:16,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:16,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:53:16,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:16,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:16,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:16,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122963210] [2025-03-04 10:53:16,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:16,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392363028] [2025-03-04 10:53:16,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392363028] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:16,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:16,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:53:16,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255070662] [2025-03-04 10:53:16,975 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:16,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:53:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:16,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:53:16,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:53:16,976 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) [2025-03-04 10:53:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:17,425 INFO L93 Difference]: Finished difference Result 648 states and 799 transitions. [2025-03-04 10:53:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:53:17,425 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 [2025-03-04 10:53:17,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:17,427 INFO L225 Difference]: With dead ends: 648 [2025-03-04 10:53:17,427 INFO L226 Difference]: Without dead ends: 647 [2025-03-04 10:53:17,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:17,427 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 [2025-03-04 10:53:17,427 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] [2025-03-04 10:53:17,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2025-03-04 10:53:17,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 637. [2025-03-04 10:53:17,440 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) [2025-03-04 10:53:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 798 transitions. [2025-03-04 10:53:17,441 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 798 transitions. Word has length 175 [2025-03-04 10:53:17,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:17,442 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 798 transitions. [2025-03-04 10:53:17,442 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) [2025-03-04 10:53:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 798 transitions. [2025-03-04 10:53:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-03-04 10:53:17,442 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:17,443 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] [2025-03-04 10:53:17,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:17,643 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 [2025-03-04 10:53:17,643 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)] === [2025-03-04 10:53:17,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:17,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1724094310, now seen corresponding path program 1 times [2025-03-04 10:53:17,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:17,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100118610] [2025-03-04 10:53:17,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:17,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:17,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-04 10:53:17,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-04 10:53:17,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:17,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:17,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970741332] [2025-03-04 10:53:17,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:17,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:17,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:17,666 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) [2025-03-04 10:53:17,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-04 10:53:17,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-04 10:53:17,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-04 10:53:17,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:17,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:17,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-04 10:53:17,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:18,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:53:19,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100118610] [2025-03-04 10:53:19,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970741332] [2025-03-04 10:53:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970741332] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:19,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:19,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-04 10:53:19,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108932630] [2025-03-04 10:53:19,349 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:19,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:53:19,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:19,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:53:19,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:53:19,350 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) [2025-03-04 10:53:22,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:22,046 INFO L93 Difference]: Finished difference Result 661 states and 822 transitions. [2025-03-04 10:53:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:53:22,047 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 [2025-03-04 10:53:22,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:22,048 INFO L225 Difference]: With dead ends: 661 [2025-03-04 10:53:22,048 INFO L226 Difference]: Without dead ends: 653 [2025-03-04 10:53:22,049 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 [2025-03-04 10:53:22,049 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 324 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:22,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 367 Invalid, 1714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-04 10:53:22,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-03-04 10:53:22,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 637. [2025-03-04 10:53:22,064 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) [2025-03-04 10:53:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 790 transitions. [2025-03-04 10:53:22,065 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 790 transitions. Word has length 178 [2025-03-04 10:53:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:22,065 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 790 transitions. [2025-03-04 10:53:22,065 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) [2025-03-04 10:53:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 790 transitions. [2025-03-04 10:53:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-04 10:53:22,066 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:22,066 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] [2025-03-04 10:53:22,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-04 10:53:22,266 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 [2025-03-04 10:53:22,267 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)] === [2025-03-04 10:53:22,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:22,267 INFO L85 PathProgramCache]: Analyzing trace with hash -407721105, now seen corresponding path program 1 times [2025-03-04 10:53:22,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:22,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146173488] [2025-03-04 10:53:22,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:22,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:22,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-04 10:53:22,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 10:53:22,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:22,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:22,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1453466098] [2025-03-04 10:53:22,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:22,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:22,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:22,294 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) [2025-03-04 10:53:22,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-04 10:53:22,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-03-04 10:53:22,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 10:53:22,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:22,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:22,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:53:22,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 33 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2025-03-04 10:53:22,938 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:22,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:22,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146173488] [2025-03-04 10:53:22,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:22,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453466098] [2025-03-04 10:53:22,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453466098] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:22,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:22,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:53:22,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132373955] [2025-03-04 10:53:22,990 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:22,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:53:22,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:22,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:53:22,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:53:22,991 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) [2025-03-04 10:53:23,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:23,699 INFO L93 Difference]: Finished difference Result 647 states and 794 transitions. [2025-03-04 10:53:23,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:53:23,699 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 [2025-03-04 10:53:23,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:23,701 INFO L225 Difference]: With dead ends: 647 [2025-03-04 10:53:23,701 INFO L226 Difference]: Without dead ends: 607 [2025-03-04 10:53:23,701 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 [2025-03-04 10:53:23,701 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 [2025-03-04 10:53:23,701 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] [2025-03-04 10:53:23,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-03-04 10:53:23,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 603. [2025-03-04 10:53:23,719 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) [2025-03-04 10:53:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 748 transitions. [2025-03-04 10:53:23,720 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 748 transitions. Word has length 197 [2025-03-04 10:53:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:23,721 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 748 transitions. [2025-03-04 10:53:23,721 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) [2025-03-04 10:53:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 748 transitions. [2025-03-04 10:53:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-04 10:53:23,721 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:23,722 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] [2025-03-04 10:53:23,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:23,922 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 [2025-03-04 10:53:23,922 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)] === [2025-03-04 10:53:23,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:23,922 INFO L85 PathProgramCache]: Analyzing trace with hash 464769543, now seen corresponding path program 1 times [2025-03-04 10:53:23,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:23,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446086377] [2025-03-04 10:53:23,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:23,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:23,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 10:53:23,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 10:53:23,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:23,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:23,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221677035] [2025-03-04 10:53:23,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:23,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:23,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:23,948 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) [2025-03-04 10:53:23,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-04 10:53:23,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-04 10:53:24,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-04 10:53:24,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:24,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:24,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:53:24,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 10:53:24,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:24,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:24,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446086377] [2025-03-04 10:53:24,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:24,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221677035] [2025-03-04 10:53:24,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221677035] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:24,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:24,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:53:24,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925263429] [2025-03-04 10:53:24,222 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:24,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:53:24,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:24,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:53:24,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:53:24,223 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) [2025-03-04 10:53:24,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:24,339 INFO L93 Difference]: Finished difference Result 694 states and 772 transitions. [2025-03-04 10:53:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:53:24,339 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 [2025-03-04 10:53:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:24,341 INFO L225 Difference]: With dead ends: 694 [2025-03-04 10:53:24,341 INFO L226 Difference]: Without dead ends: 693 [2025-03-04 10:53:24,341 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 [2025-03-04 10:53:24,342 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 [2025-03-04 10:53:24,342 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] [2025-03-04 10:53:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2025-03-04 10:53:24,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 603. [2025-03-04 10:53:24,358 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) [2025-03-04 10:53:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 747 transitions. [2025-03-04 10:53:24,359 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 747 transitions. Word has length 202 [2025-03-04 10:53:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:24,359 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 747 transitions. [2025-03-04 10:53:24,359 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) [2025-03-04 10:53:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 747 transitions. [2025-03-04 10:53:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-03-04 10:53:24,360 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:24,360 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] [2025-03-04 10:53:24,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-04 10:53:24,560 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 [2025-03-04 10:53:24,561 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)] === [2025-03-04 10:53:24,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:24,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1351941391, now seen corresponding path program 2 times [2025-03-04 10:53:24,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:24,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354149501] [2025-03-04 10:53:24,561 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:24,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:24,569 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-03-04 10:53:24,581 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-03-04 10:53:24,581 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:24,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:24,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354123219] [2025-03-04 10:53:24,582 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:24,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:24,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:24,584 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) [2025-03-04 10:53:24,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-04 10:53:24,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 209 statements into 2 equivalence classes. [2025-03-04 10:53:24,651 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-03-04 10:53:24,652 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:24,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:24,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:53:24,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:25,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:29,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:29,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354149501] [2025-03-04 10:53:29,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:29,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354123219] [2025-03-04 10:53:29,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354123219] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:29,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:29,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:53:29,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977162053] [2025-03-04 10:53:29,450 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:29,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:53:29,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:29,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:53:29,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=86, Unknown=1, NotChecked=0, Total=132 [2025-03-04 10:53:29,451 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) [2025-03-04 10:53:30,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:30,218 INFO L93 Difference]: Finished difference Result 645 states and 771 transitions. [2025-03-04 10:53:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:53:30,219 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 [2025-03-04 10:53:30,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:30,221 INFO L225 Difference]: With dead ends: 645 [2025-03-04 10:53:30,221 INFO L226 Difference]: Without dead ends: 623 [2025-03-04 10:53:30,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=45, Invalid=86, Unknown=1, NotChecked=0, Total=132 [2025-03-04 10:53:30,221 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 121 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:30,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 496 Invalid, 1687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:53:30,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2025-03-04 10:53:30,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 611. [2025-03-04 10:53:30,234 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) [2025-03-04 10:53:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 736 transitions. [2025-03-04 10:53:30,235 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 736 transitions. Word has length 209 [2025-03-04 10:53:30,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:30,235 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 736 transitions. [2025-03-04 10:53:30,236 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) [2025-03-04 10:53:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 736 transitions. [2025-03-04 10:53:30,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-03-04 10:53:30,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:30,236 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] [2025-03-04 10:53:30,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-04 10:53:30,436 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 [2025-03-04 10:53:30,437 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)] === [2025-03-04 10:53:30,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:30,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1039489622, now seen corresponding path program 2 times [2025-03-04 10:53:30,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:30,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403008889] [2025-03-04 10:53:30,437 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:30,444 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-03-04 10:53:30,451 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-03-04 10:53:30,451 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:30,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:30,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:30,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403008889] [2025-03-04 10:53:30,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403008889] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:30,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917695074] [2025-03-04 10:53:30,573 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:30,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:30,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:30,575 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) [2025-03-04 10:53:30,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-04 10:53:30,602 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 210 statements into 2 equivalence classes. [2025-03-04 10:53:30,628 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 210 of 210 statements. [2025-03-04 10:53:30,628 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:30,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:30,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:53:30,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:30,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:31,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917695074] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:31,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:31,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 10:53:31,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176191732] [2025-03-04 10:53:31,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:31,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:53:31,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:31,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:53:31,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:53:31,180 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) [2025-03-04 10:53:32,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:32,252 INFO L93 Difference]: Finished difference Result 611 states and 736 transitions. [2025-03-04 10:53:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:53:32,252 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 [2025-03-04 10:53:32,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:32,254 INFO L225 Difference]: With dead ends: 611 [2025-03-04 10:53:32,254 INFO L226 Difference]: Without dead ends: 604 [2025-03-04 10:53:32,254 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 [2025-03-04 10:53:32,254 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 [2025-03-04 10:53:32,254 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] [2025-03-04 10:53:32,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2025-03-04 10:53:32,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604. [2025-03-04 10:53:32,268 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) [2025-03-04 10:53:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 723 transitions. [2025-03-04 10:53:32,269 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 723 transitions. Word has length 210 [2025-03-04 10:53:32,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:32,269 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 723 transitions. [2025-03-04 10:53:32,269 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) [2025-03-04 10:53:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 723 transitions. [2025-03-04 10:53:32,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-04 10:53:32,270 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:32,270 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] [2025-03-04 10:53:32,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:32,470 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 [2025-03-04 10:53:32,470 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)] === [2025-03-04 10:53:32,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:32,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2135560301, now seen corresponding path program 2 times [2025-03-04 10:53:32,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:32,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126269161] [2025-03-04 10:53:32,471 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:32,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:32,479 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 211 statements into 2 equivalence classes. [2025-03-04 10:53:32,486 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-03-04 10:53:32,486 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:32,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:32,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:32,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126269161] [2025-03-04 10:53:32,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126269161] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:32,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834630334] [2025-03-04 10:53:32,595 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:32,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:32,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:32,597 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) [2025-03-04 10:53:32,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-04 10:53:32,631 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 211 statements into 2 equivalence classes. [2025-03-04 10:53:32,659 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 211 of 211 statements. [2025-03-04 10:53:32,659 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:32,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:32,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:53:32,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:33,030 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:33,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834630334] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:33,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:53:33,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 10:53:33,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623683709] [2025-03-04 10:53:33,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:33,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:53:33,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:33,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:53:33,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:53:33,253 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) [2025-03-04 10:53:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:33,992 INFO L93 Difference]: Finished difference Result 672 states and 768 transitions. [2025-03-04 10:53:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:53:33,992 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 [2025-03-04 10:53:33,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:33,994 INFO L225 Difference]: With dead ends: 672 [2025-03-04 10:53:33,994 INFO L226 Difference]: Without dead ends: 670 [2025-03-04 10:53:33,994 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 [2025-03-04 10:53:33,994 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 517 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:33,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 764 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:53:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2025-03-04 10:53:34,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 629. [2025-03-04 10:53:34,009 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) [2025-03-04 10:53:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 752 transitions. [2025-03-04 10:53:34,010 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 752 transitions. Word has length 211 [2025-03-04 10:53:34,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:34,010 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 752 transitions. [2025-03-04 10:53:34,010 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) [2025-03-04 10:53:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 752 transitions. [2025-03-04 10:53:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2025-03-04 10:53:34,011 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:34,011 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] [2025-03-04 10:53:34,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:34,211 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 [2025-03-04 10:53:34,212 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)] === [2025-03-04 10:53:34,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:34,212 INFO L85 PathProgramCache]: Analyzing trace with hash -720911413, now seen corresponding path program 1 times [2025-03-04 10:53:34,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:34,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89469551] [2025-03-04 10:53:34,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:34,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:34,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-04 10:53:34,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-04 10:53:34,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:34,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:34,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89469551] [2025-03-04 10:53:34,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89469551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731106713] [2025-03-04 10:53:34,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:34,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:34,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:34,363 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) [2025-03-04 10:53:34,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-04 10:53:34,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-03-04 10:53:34,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-03-04 10:53:34,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:34,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:34,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:53:34,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:34,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:36,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731106713] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:36,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:36,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-04 10:53:36,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65331627] [2025-03-04 10:53:36,902 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:36,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:53:36,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:36,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:53:36,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:53:36,903 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) [2025-03-04 10:53:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:39,334 INFO L93 Difference]: Finished difference Result 636 states and 755 transitions. [2025-03-04 10:53:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:53:39,335 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 [2025-03-04 10:53:39,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:39,337 INFO L225 Difference]: With dead ends: 636 [2025-03-04 10:53:39,337 INFO L226 Difference]: Without dead ends: 624 [2025-03-04 10:53:39,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:53:39,337 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 899 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:39,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 702 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-04 10:53:39,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2025-03-04 10:53:39,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 624. [2025-03-04 10:53:39,351 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) [2025-03-04 10:53:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 740 transitions. [2025-03-04 10:53:39,352 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 740 transitions. Word has length 213 [2025-03-04 10:53:39,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:39,352 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 740 transitions. [2025-03-04 10:53:39,353 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) [2025-03-04 10:53:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 740 transitions. [2025-03-04 10:53:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-03-04 10:53:39,353 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:39,353 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] [2025-03-04 10:53:39,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-04 10:53:39,558 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 [2025-03-04 10:53:39,558 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)] === [2025-03-04 10:53:39,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:39,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1835217212, now seen corresponding path program 1 times [2025-03-04 10:53:39,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:39,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817743506] [2025-03-04 10:53:39,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:39,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-03-04 10:53:39,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-03-04 10:53:39,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:39,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:39,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406859745] [2025-03-04 10:53:39,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:53:39,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:39,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:39,582 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) [2025-03-04 10:53:39,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-04 10:53:39,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-03-04 10:53:39,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-03-04 10:53:39,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:53:39,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:39,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-04 10:53:39,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:40,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:53:40,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:40,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817743506] [2025-03-04 10:53:40,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:40,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406859745] [2025-03-04 10:53:40,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406859745] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:40,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:40,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:53:40,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813109313] [2025-03-04 10:53:40,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:40,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:53:40,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:40,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:53:40,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:53:40,551 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) [2025-03-04 10:53:44,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:44,423 INFO L93 Difference]: Finished difference Result 1020 states and 1295 transitions. [2025-03-04 10:53:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:53:44,424 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 [2025-03-04 10:53:44,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:44,426 INFO L225 Difference]: With dead ends: 1020 [2025-03-04 10:53:44,426 INFO L226 Difference]: Without dead ends: 936 [2025-03-04 10:53:44,426 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 [2025-03-04 10:53:44,426 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1330 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:44,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1097 Invalid, 3436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3305 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2025-03-04 10:53:44,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2025-03-04 10:53:44,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 728. [2025-03-04 10:53:44,446 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) [2025-03-04 10:53:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 895 transitions. [2025-03-04 10:53:44,447 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 895 transitions. Word has length 216 [2025-03-04 10:53:44,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:44,447 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 895 transitions. [2025-03-04 10:53:44,447 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) [2025-03-04 10:53:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 895 transitions. [2025-03-04 10:53:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2025-03-04 10:53:44,448 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:44,448 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] [2025-03-04 10:53:44,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-04 10:53:44,648 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 [2025-03-04 10:53:44,649 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)] === [2025-03-04 10:53:44,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:44,649 INFO L85 PathProgramCache]: Analyzing trace with hash -571806832, now seen corresponding path program 2 times [2025-03-04 10:53:44,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:44,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562077853] [2025-03-04 10:53:44,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:44,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:44,655 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-04 10:53:44,669 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-03-04 10:53:44,670 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:44,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:44,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279755786] [2025-03-04 10:53:44,670 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:44,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:44,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:44,673 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) [2025-03-04 10:53:44,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-04 10:53:44,699 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 258 statements into 2 equivalence classes. [2025-03-04 10:53:44,735 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 258 of 258 statements. [2025-03-04 10:53:44,735 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:44,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:44,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:53:44,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:45,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:45,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:45,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562077853] [2025-03-04 10:53:45,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:45,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279755786] [2025-03-04 10:53:45,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279755786] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:45,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:45,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-04 10:53:45,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631347466] [2025-03-04 10:53:45,727 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:45,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:53:45,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:45,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:53:45,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:53:45,728 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) [2025-03-04 10:53:46,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:46,628 INFO L93 Difference]: Finished difference Result 729 states and 895 transitions. [2025-03-04 10:53:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-04 10:53:46,629 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 [2025-03-04 10:53:46,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:46,631 INFO L225 Difference]: With dead ends: 729 [2025-03-04 10:53:46,631 INFO L226 Difference]: Without dead ends: 725 [2025-03-04 10:53:46,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:53:46,631 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, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:53:46,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 190 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:53:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2025-03-04 10:53:46,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 724. [2025-03-04 10:53:46,649 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) [2025-03-04 10:53:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 881 transitions. [2025-03-04 10:53:46,649 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 881 transitions. Word has length 258 [2025-03-04 10:53:46,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:46,650 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 881 transitions. [2025-03-04 10:53:46,650 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) [2025-03-04 10:53:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 881 transitions. [2025-03-04 10:53:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-03-04 10:53:46,651 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:46,651 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] [2025-03-04 10:53:46,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-04 10:53:46,851 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 [2025-03-04 10:53:46,851 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)] === [2025-03-04 10:53:46,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:46,852 INFO L85 PathProgramCache]: Analyzing trace with hash -546142478, now seen corresponding path program 2 times [2025-03-04 10:53:46,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:46,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197732198] [2025-03-04 10:53:46,852 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:46,857 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-04 10:53:46,878 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 259 of 259 statements. [2025-03-04 10:53:46,878 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:46,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:46,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470049072] [2025-03-04 10:53:46,879 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:46,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:46,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:46,882 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) [2025-03-04 10:53:46,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-04 10:53:46,910 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 259 statements into 2 equivalence classes. [2025-03-04 10:53:46,948 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 259 of 259 statements. [2025-03-04 10:53:46,948 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:46,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:46,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:53:46,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:47,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:47,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:47,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197732198] [2025-03-04 10:53:47,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:47,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470049072] [2025-03-04 10:53:47,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470049072] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:53:47,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:53:47,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 10:53:47,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120819631] [2025-03-04 10:53:47,697 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:47,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:53:47,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:47,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:53:47,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:53:47,697 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) [2025-03-04 10:53:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:53:48,588 INFO L93 Difference]: Finished difference Result 733 states and 881 transitions. [2025-03-04 10:53:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:53:48,589 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 [2025-03-04 10:53:48,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:53:48,590 INFO L225 Difference]: With dead ends: 733 [2025-03-04 10:53:48,590 INFO L226 Difference]: Without dead ends: 732 [2025-03-04 10:53:48,591 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 [2025-03-04 10:53:48,591 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 [2025-03-04 10:53:48,591 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] [2025-03-04 10:53:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2025-03-04 10:53:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 724. [2025-03-04 10:53:48,611 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) [2025-03-04 10:53:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 880 transitions. [2025-03-04 10:53:48,612 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 880 transitions. Word has length 259 [2025-03-04 10:53:48,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:53:48,612 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 880 transitions. [2025-03-04 10:53:48,612 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) [2025-03-04 10:53:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 880 transitions. [2025-03-04 10:53:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-03-04 10:53:48,614 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:53:48,614 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] [2025-03-04 10:53:48,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-04 10:53:48,818 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 [2025-03-04 10:53:48,818 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)] === [2025-03-04 10:53:48,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:53:48,818 INFO L85 PathProgramCache]: Analyzing trace with hash -794317812, now seen corresponding path program 2 times [2025-03-04 10:53:48,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:53:48,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125150450] [2025-03-04 10:53:48,818 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:48,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:53:48,824 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-03-04 10:53:48,839 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-03-04 10:53:48,841 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:48,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:53:48,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128434092] [2025-03-04 10:53:48,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:53:48,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:53:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:53:48,844 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) [2025-03-04 10:53:48,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-04 10:53:48,872 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 262 statements into 2 equivalence classes. [2025-03-04 10:53:48,951 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 262 of 262 statements. [2025-03-04 10:53:48,951 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:53:48,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:53:48,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 10:53:48,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:53:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:50,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:53:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:53:51,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:53:51,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125150450] [2025-03-04 10:53:51,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:53:51,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128434092] [2025-03-04 10:53:51,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128434092] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:53:51,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:53:51,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:53:51,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819148512] [2025-03-04 10:53:51,090 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:53:51,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:53:51,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:53:51,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:53:51,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:53:51,091 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) [2025-03-04 10:53:57,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-04 10:54:05,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-04 10:54:09,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-04 10:54:14,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-04 10:54:18,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-04 10:54:20,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-04 10:54:22,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:22,373 INFO L93 Difference]: Finished difference Result 760 states and 914 transitions. [2025-03-04 10:54:22,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-04 10:54:22,374 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 [2025-03-04 10:54:22,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:22,375 INFO L225 Difference]: With dead ends: 760 [2025-03-04 10:54:22,375 INFO L226 Difference]: Without dead ends: 754 [2025-03-04 10:54:22,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2025-03-04 10:54:22,376 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 327 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 28 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 2928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:54:22,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 694 Invalid, 2928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2897 Invalid, 3 Unknown, 0 Unchecked, 31.1s Time] [2025-03-04 10:54:22,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2025-03-04 10:54:22,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 736. [2025-03-04 10:54:22,401 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) [2025-03-04 10:54:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 889 transitions. [2025-03-04 10:54:22,402 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 889 transitions. Word has length 262 [2025-03-04 10:54:22,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:22,402 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 889 transitions. [2025-03-04 10:54:22,402 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) [2025-03-04 10:54:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 889 transitions. [2025-03-04 10:54:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-04 10:54:22,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:22,403 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] [2025-03-04 10:54:22,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-04 10:54:22,604 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 [2025-03-04 10:54:22,604 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)] === [2025-03-04 10:54:22,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:22,604 INFO L85 PathProgramCache]: Analyzing trace with hash -663973011, now seen corresponding path program 1 times [2025-03-04 10:54:22,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:22,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677566417] [2025-03-04 10:54:22,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:54:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:22,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-04 10:54:22,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-04 10:54:22,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:54:22,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:22,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965391817] [2025-03-04 10:54:22,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:54:22,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:22,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:22,632 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) [2025-03-04 10:54:22,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-04 10:54:22,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-04 10:54:22,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-04 10:54:22,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:54:22,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:22,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:54:22,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:54:22,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:54:23,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:23,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677566417] [2025-03-04 10:54:23,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:23,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965391817] [2025-03-04 10:54:23,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965391817] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:54:23,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:54:23,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-04 10:54:23,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001677293] [2025-03-04 10:54:23,147 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:23,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:54:23,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:23,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:54:23,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:54:23,150 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) [2025-03-04 10:54:23,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:23,432 INFO L93 Difference]: Finished difference Result 929 states and 1016 transitions. [2025-03-04 10:54:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:54:23,432 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 [2025-03-04 10:54:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:23,434 INFO L225 Difference]: With dead ends: 929 [2025-03-04 10:54:23,434 INFO L226 Difference]: Without dead ends: 927 [2025-03-04 10:54:23,435 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 [2025-03-04 10:54:23,435 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 [2025-03-04 10:54:23,435 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] [2025-03-04 10:54:23,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2025-03-04 10:54:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 735. [2025-03-04 10:54:23,461 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) [2025-03-04 10:54:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 885 transitions. [2025-03-04 10:54:23,462 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 885 transitions. Word has length 275 [2025-03-04 10:54:23,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:23,462 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 885 transitions. [2025-03-04 10:54:23,462 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) [2025-03-04 10:54:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 885 transitions. [2025-03-04 10:54:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2025-03-04 10:54:23,463 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:23,463 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] [2025-03-04 10:54:23,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-03-04 10:54:23,663 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 [2025-03-04 10:54:23,664 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)] === [2025-03-04 10:54:23,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1560340215, now seen corresponding path program 2 times [2025-03-04 10:54:23,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:23,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828141748] [2025-03-04 10:54:23,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:54:23,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:23,670 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 281 statements into 2 equivalence classes. [2025-03-04 10:54:23,686 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 281 of 281 statements. [2025-03-04 10:54:23,686 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:54:23,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:23,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597177775] [2025-03-04 10:54:23,687 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:54:23,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:23,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:23,689 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) [2025-03-04 10:54:23,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-04 10:54:23,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 281 statements into 2 equivalence classes. [2025-03-04 10:54:23,745 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 281 of 281 statements. [2025-03-04 10:54:23,746 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:54:23,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:23,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-04 10:54:23,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:54:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:54:24,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:54:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:54:24,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:54:24,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828141748] [2025-03-04 10:54:24,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:54:24,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597177775] [2025-03-04 10:54:24,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597177775] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:54:24,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:54:24,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:54:24,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851254939] [2025-03-04 10:54:24,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:54:24,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:54:24,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:54:24,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:54:24,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:54:24,897 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) [2025-03-04 10:54:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:54:27,826 INFO L93 Difference]: Finished difference Result 870 states and 1077 transitions. [2025-03-04 10:54:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 10:54:27,827 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 [2025-03-04 10:54:27,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:54:27,832 INFO L225 Difference]: With dead ends: 870 [2025-03-04 10:54:27,832 INFO L226 Difference]: Without dead ends: 830 [2025-03-04 10:54:27,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=889, Unknown=0, NotChecked=0, Total=1190 [2025-03-04 10:54:27,833 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 [2025-03-04 10:54:27,833 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] [2025-03-04 10:54:27,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2025-03-04 10:54:27,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 750. [2025-03-04 10:54:27,868 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) [2025-03-04 10:54:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 917 transitions. [2025-03-04 10:54:27,869 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 917 transitions. Word has length 281 [2025-03-04 10:54:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:54:27,869 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 917 transitions. [2025-03-04 10:54:27,869 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) [2025-03-04 10:54:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 917 transitions. [2025-03-04 10:54:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-04 10:54:27,870 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:54:27,870 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] [2025-03-04 10:54:27,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-04 10:54:28,070 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 [2025-03-04 10:54:28,071 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)] === [2025-03-04 10:54:28,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:54:28,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1099443287, now seen corresponding path program 3 times [2025-03-04 10:54:28,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:54:28,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381021444] [2025-03-04 10:54:28,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:28,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:54:28,077 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 8 equivalence classes. [2025-03-04 10:54:28,095 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 293 of 293 statements. [2025-03-04 10:54:28,095 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-04 10:54:28,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:54:28,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665417380] [2025-03-04 10:54:28,096 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:54:28,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:54:28,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:54:28,099 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) [2025-03-04 10:54:28,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-04 10:54:28,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 8 equivalence classes. [2025-03-04 10:54:28,161 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 102 of 293 statements. [2025-03-04 10:54:28,161 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 10:54:28,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:54:28,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-04 10:54:28,164 INFO L279 TraceCheckSpWp]: Computing forward predicates...