./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/cohencu-ll.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/cohencu-ll.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 bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 10:47:28,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 10:47:29,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-04 10:47:29,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 10:47:29,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 10:47:29,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 10:47:29,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 10:47:29,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 10:47:29,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 10:47:29,046 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 10:47:29,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 10:47:29,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 10:47:29,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 10:47:29,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 10:47:29,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 10:47:29,048 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 10:47:29,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:47:29,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 10:47:29,049 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 10:47:29,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 10:47:29,050 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 -> bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff [2025-03-04 10:47:29,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 10:47:29,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 10:47:29,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 10:47:29,294 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 10:47:29,294 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 10:47:29,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2025-03-04 10:47:30,468 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce3cf82b/678c3d949de8476f8290747b6c861f46/FLAG383980e5f [2025-03-04 10:47:30,682 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 10:47:30,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2025-03-04 10:47:30,688 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce3cf82b/678c3d949de8476f8290747b6c861f46/FLAG383980e5f [2025-03-04 10:47:31,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce3cf82b/678c3d949de8476f8290747b6c861f46 [2025-03-04 10:47:31,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 10:47:31,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 10:47:31,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 10:47:31,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 10:47:31,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 10:47:31,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be09f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31, skipping insertion in model container [2025-03-04 10:47:31,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 10:47:31,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:47:31,183 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 10:47:31,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 10:47:31,212 INFO L204 MainTranslator]: Completed translation [2025-03-04 10:47:31,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31 WrapperNode [2025-03-04 10:47:31,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 10:47:31,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 10:47:31,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 10:47:31,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 10:47:31,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,252 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 185 [2025-03-04 10:47:31,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 10:47:31,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 10:47:31,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 10:47:31,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 10:47:31,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,274 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 10:47:31,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 10:47:31,285 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 10:47:31,285 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 10:47:31,286 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 10:47:31,286 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (1/1) ... [2025-03-04 10:47:31,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 10:47:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:31,317 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 10:47:31,331 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 10:47:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 10:47:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 10:47:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 10:47:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 10:47:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 10:47:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 10:47:31,390 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 10:47:31,392 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 10:47:31,920 INFO L? ?]: Removed 237 outVars from TransFormulas that were not future-live. [2025-03-04 10:47:31,921 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 10:47:31,938 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 10:47:31,938 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 10:47:31,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:47:31 BoogieIcfgContainer [2025-03-04 10:47:31,938 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 10:47:31,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 10:47:31,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 10:47:31,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 10:47:31,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 10:47:31" (1/3) ... [2025-03-04 10:47:31,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591f6503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:47:31, skipping insertion in model container [2025-03-04 10:47:31,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 10:47:31" (2/3) ... [2025-03-04 10:47:31,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591f6503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:47:31, skipping insertion in model container [2025-03-04 10:47:31,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 10:47:31" (3/3) ... [2025-03-04 10:47:31,947 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll.c [2025-03-04 10:47:31,958 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 10:47:31,959 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll.c that has 2 procedures, 300 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-03-04 10:47:32,009 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 10:47:32,018 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;@5acd0714, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 10:47:32,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-03-04 10:47:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 300 states, 149 states have (on average 1.9463087248322148) internal successors, (290), 287 states have internal predecessors, (290), 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 10:47:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-04 10:47:32,027 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:32,027 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-04 10:47:32,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:32,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash 321699, now seen corresponding path program 1 times [2025-03-04 10:47:32,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:32,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829706960] [2025-03-04 10:47:32,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:32,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-04 10:47:32,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-04 10:47:32,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:32,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:32,174 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 10:47:32,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:32,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829706960] [2025-03-04 10:47:32,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829706960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:32,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:32,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:32,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482419792] [2025-03-04 10:47:32,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:32,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:32,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:32,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:32,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:32,200 INFO L87 Difference]: Start difference. First operand has 300 states, 149 states have (on average 1.9463087248322148) internal successors, (290), 287 states have internal predecessors, (290), 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 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 10:47:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:32,403 INFO L93 Difference]: Finished difference Result 841 states and 934 transitions. [2025-03-04 10:47:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:32,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-03-04 10:47:32,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:32,412 INFO L225 Difference]: With dead ends: 841 [2025-03-04 10:47:32,412 INFO L226 Difference]: Without dead ends: 534 [2025-03-04 10:47:32,415 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 10:47:32,418 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 239 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:32,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 530 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:47:32,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-03-04 10:47:32,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 344. [2025-03-04 10:47:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 197 states have (on average 1.8071065989847717) internal successors, (356), 327 states have internal predecessors, (356), 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 10:47:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 386 transitions. [2025-03-04 10:47:32,465 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 386 transitions. Word has length 3 [2025-03-04 10:47:32,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:32,466 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 386 transitions. [2025-03-04 10:47:32,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 10:47:32,466 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 386 transitions. [2025-03-04 10:47:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-04 10:47:32,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:32,467 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] [2025-03-04 10:47:32,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 10:47:32,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:32,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:32,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1531548693, now seen corresponding path program 1 times [2025-03-04 10:47:32,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:32,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619930509] [2025-03-04 10:47:32,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:32,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:32,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-04 10:47:32,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-04 10:47:32,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:32,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:32,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141186171] [2025-03-04 10:47:32,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:32,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:32,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:32,506 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 10:47:32,508 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 10:47:32,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-04 10:47:32,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-04 10:47:32,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:32,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:32,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:47:32,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:32,657 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 10:47:32,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:47:32,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:32,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619930509] [2025-03-04 10:47:32,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:32,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141186171] [2025-03-04 10:47:32,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141186171] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:32,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:32,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:32,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206986554] [2025-03-04 10:47:32,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:32,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:32,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:32,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:32,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:32,660 INFO L87 Difference]: Start difference. First operand 344 states and 386 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 10:47:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:33,041 INFO L93 Difference]: Finished difference Result 504 states and 561 transitions. [2025-03-04 10:47:33,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:33,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 36 [2025-03-04 10:47:33,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:33,043 INFO L225 Difference]: With dead ends: 504 [2025-03-04 10:47:33,043 INFO L226 Difference]: Without dead ends: 449 [2025-03-04 10:47:33,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 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 10:47:33,047 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 134 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:33,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 264 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-04 10:47:33,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 429. [2025-03-04 10:47:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 277 states have (on average 1.6570397111913358) internal successors, (459), 407 states have internal predecessors, (459), 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 10:47:33,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 499 transitions. [2025-03-04 10:47:33,074 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 499 transitions. Word has length 36 [2025-03-04 10:47:33,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:33,074 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 499 transitions. [2025-03-04 10:47:33,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 10:47:33,074 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 499 transitions. [2025-03-04 10:47:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 10:47:33,076 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:33,076 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] [2025-03-04 10:47:33,083 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 10:47:33,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:33,280 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:33,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:33,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1355495561, now seen corresponding path program 1 times [2025-03-04 10:47:33,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:33,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319782252] [2025-03-04 10:47:33,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:33,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:33,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 10:47:33,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 10:47:33,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:33,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:33,425 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 10:47:33,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:33,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319782252] [2025-03-04 10:47:33,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319782252] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:33,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:33,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:33,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937366667] [2025-03-04 10:47:33,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:33,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:33,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:33,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:33,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:33,426 INFO L87 Difference]: Start difference. First operand 429 states and 499 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 10:47:33,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:33,646 INFO L93 Difference]: Finished difference Result 462 states and 506 transitions. [2025-03-04 10:47:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:33,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 38 [2025-03-04 10:47:33,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:33,648 INFO L225 Difference]: With dead ends: 462 [2025-03-04 10:47:33,648 INFO L226 Difference]: Without dead ends: 439 [2025-03-04 10:47:33,648 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 10:47:33,649 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 120 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:33,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 422 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:47:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-04 10:47:33,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 429. [2025-03-04 10:47:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 277 states have (on average 1.5740072202166064) internal successors, (436), 407 states have internal predecessors, (436), 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 10:47:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 476 transitions. [2025-03-04 10:47:33,669 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 476 transitions. Word has length 38 [2025-03-04 10:47:33,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:33,669 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 476 transitions. [2025-03-04 10:47:33,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 10:47:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 476 transitions. [2025-03-04 10:47:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-04 10:47:33,671 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:33,671 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 10:47:33,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 10:47:33,671 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:33,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1256150311, now seen corresponding path program 1 times [2025-03-04 10:47:33,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:33,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480039869] [2025-03-04 10:47:33,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:33,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-04 10:47:33,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-04 10:47:33,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:33,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:33,773 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 10:47:33,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:33,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480039869] [2025-03-04 10:47:33,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480039869] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:33,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:33,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:47:33,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820517981] [2025-03-04 10:47:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:33,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:47:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:33,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:47:33,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:47:33,774 INFO L87 Difference]: Start difference. First operand 429 states and 476 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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 10:47:34,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:34,278 INFO L93 Difference]: Finished difference Result 441 states and 483 transitions. [2025-03-04 10:47:34,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:47:34,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 10:47:34,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:34,280 INFO L225 Difference]: With dead ends: 441 [2025-03-04 10:47:34,280 INFO L226 Difference]: Without dead ends: 439 [2025-03-04 10:47:34,281 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 10:47:34,281 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 136 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:34,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 442 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:47:34,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-04 10:47:34,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 429. [2025-03-04 10:47:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 277 states have (on average 1.5667870036101084) internal successors, (434), 407 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 10:47:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 474 transitions. [2025-03-04 10:47:34,294 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 474 transitions. Word has length 40 [2025-03-04 10:47:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:34,294 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 474 transitions. [2025-03-04 10:47:34,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 10:47:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 474 transitions. [2025-03-04 10:47:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-04 10:47:34,295 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:34,295 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] [2025-03-04 10:47:34,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 10:47:34,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:34,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:34,296 INFO L85 PathProgramCache]: Analyzing trace with hash 285954188, now seen corresponding path program 1 times [2025-03-04 10:47:34,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:34,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982681885] [2025-03-04 10:47:34,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:34,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:34,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-04 10:47:34,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-04 10:47:34,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:34,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:34,404 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 10:47:34,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:34,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982681885] [2025-03-04 10:47:34,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982681885] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:34,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:34,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:47:34,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84263167] [2025-03-04 10:47:34,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:34,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:47:34,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:34,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:47:34,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:47:34,405 INFO L87 Difference]: Start difference. First operand 429 states and 474 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 10:47:35,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:35,571 INFO L93 Difference]: Finished difference Result 441 states and 481 transitions. [2025-03-04 10:47:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:47:35,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 41 [2025-03-04 10:47:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:35,575 INFO L225 Difference]: With dead ends: 441 [2025-03-04 10:47:35,575 INFO L226 Difference]: Without dead ends: 439 [2025-03-04 10:47:35,575 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 10:47:35,576 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 136 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:35,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 444 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-04 10:47:35,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-04 10:47:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 429. [2025-03-04 10:47:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 277 states have (on average 1.55956678700361) internal successors, (432), 407 states have internal predecessors, (432), 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 10:47:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 472 transitions. [2025-03-04 10:47:35,590 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 472 transitions. Word has length 41 [2025-03-04 10:47:35,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:35,590 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 472 transitions. [2025-03-04 10:47:35,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 10:47:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 472 transitions. [2025-03-04 10:47:35,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-04 10:47:35,591 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:35,591 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 10:47:35,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 10:47:35,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:35,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:35,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1941274211, now seen corresponding path program 1 times [2025-03-04 10:47:35,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:35,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255576509] [2025-03-04 10:47:35,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:35,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:35,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:47:35,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:47:35,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:35,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:35,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302321819] [2025-03-04 10:47:35,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:35,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:35,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:35,613 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 10:47:35,614 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 10:47:35,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-04 10:47:35,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-04 10:47:35,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:35,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:35,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 10:47:35,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:35,803 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 10:47:35,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:47:35,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:35,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255576509] [2025-03-04 10:47:35,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:35,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302321819] [2025-03-04 10:47:35,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302321819] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:35,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:35,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:35,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317557777] [2025-03-04 10:47:35,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:35,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:35,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:35,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:35,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:35,805 INFO L87 Difference]: Start difference. First operand 429 states and 472 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 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 10:47:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:36,164 INFO L93 Difference]: Finished difference Result 446 states and 479 transitions. [2025-03-04 10:47:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:36,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 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 10:47:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:36,166 INFO L225 Difference]: With dead ends: 446 [2025-03-04 10:47:36,166 INFO L226 Difference]: Without dead ends: 437 [2025-03-04 10:47:36,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 10:47:36,166 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 112 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 254 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 10:47:36,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 254 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:47:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-03-04 10:47:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 432. [2025-03-04 10:47:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5321428571428573) internal successors, (429), 410 states have internal predecessors, (429), 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 10:47:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 469 transitions. [2025-03-04 10:47:36,176 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 469 transitions. Word has length 44 [2025-03-04 10:47:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:36,176 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 469 transitions. [2025-03-04 10:47:36,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 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 10:47:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 469 transitions. [2025-03-04 10:47:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-04 10:47:36,177 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:36,177 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 10:47:36,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 10:47:36,380 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,SelfDestructingSolverStorable5 [2025-03-04 10:47:36,380 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:36,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:36,380 INFO L85 PathProgramCache]: Analyzing trace with hash 49958600, now seen corresponding path program 1 times [2025-03-04 10:47:36,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:36,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682881737] [2025-03-04 10:47:36,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:36,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:36,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-04 10:47:36,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-04 10:47:36,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:36,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:36,464 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 10:47:36,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:36,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682881737] [2025-03-04 10:47:36,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682881737] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:36,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:36,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:47:36,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949038206] [2025-03-04 10:47:36,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:36,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:47:36,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:36,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:47:36,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:47:36,465 INFO L87 Difference]: Start difference. First operand 432 states and 469 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 10:47:36,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:36,880 INFO L93 Difference]: Finished difference Result 445 states and 470 transitions. [2025-03-04 10:47:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:47:36,881 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 10:47:36,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:36,882 INFO L225 Difference]: With dead ends: 445 [2025-03-04 10:47:36,882 INFO L226 Difference]: Without dead ends: 439 [2025-03-04 10:47:36,883 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 10:47:36,883 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 132 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 380 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 10:47:36,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 380 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:36,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-03-04 10:47:36,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 432. [2025-03-04 10:47:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5107142857142857) internal successors, (423), 410 states have internal predecessors, (423), 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 10:47:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 463 transitions. [2025-03-04 10:47:36,896 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 463 transitions. Word has length 45 [2025-03-04 10:47:36,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:36,896 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 463 transitions. [2025-03-04 10:47:36,897 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 10:47:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 463 transitions. [2025-03-04 10:47:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-04 10:47:36,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:36,897 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 10:47:36,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 10:47:36,897 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:36,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:36,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1283722500, now seen corresponding path program 1 times [2025-03-04 10:47:36,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:36,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860117643] [2025-03-04 10:47:36,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:36,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:36,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-04 10:47:36,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-04 10:47:36,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:36,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:37,001 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 10:47:37,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:37,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860117643] [2025-03-04 10:47:37,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860117643] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:37,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:37,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:47:37,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429656012] [2025-03-04 10:47:37,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:37,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:47:37,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:37,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:47:37,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:47:37,003 INFO L87 Difference]: Start difference. First operand 432 states and 463 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 10:47:37,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:37,407 INFO L93 Difference]: Finished difference Result 443 states and 464 transitions. [2025-03-04 10:47:37,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:37,408 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 10:47:37,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:37,409 INFO L225 Difference]: With dead ends: 443 [2025-03-04 10:47:37,410 INFO L226 Difference]: Without dead ends: 370 [2025-03-04 10:47:37,410 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 10:47:37,410 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 226 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:37,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 266 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-03-04 10:47:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 366. [2025-03-04 10:47:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 217 states have (on average 1.631336405529954) internal successors, (354), 347 states have internal predecessors, (354), 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 10:47:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 388 transitions. [2025-03-04 10:47:37,422 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 388 transitions. Word has length 49 [2025-03-04 10:47:37,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:37,422 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 388 transitions. [2025-03-04 10:47:37,422 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 10:47:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 388 transitions. [2025-03-04 10:47:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-04 10:47:37,425 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:37,425 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] [2025-03-04 10:47:37,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 10:47:37,425 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:37,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:37,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1014942943, now seen corresponding path program 1 times [2025-03-04 10:47:37,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:37,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344411838] [2025-03-04 10:47:37,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:37,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:37,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-04 10:47:37,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-04 10:47:37,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:37,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:37,520 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 10:47:37,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:37,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344411838] [2025-03-04 10:47:37,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344411838] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:37,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:37,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:37,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23496942] [2025-03-04 10:47:37,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:37,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:37,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:37,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:37,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:37,521 INFO L87 Difference]: Start difference. First operand 366 states and 388 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 10:47:37,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:37,777 INFO L93 Difference]: Finished difference Result 366 states and 388 transitions. [2025-03-04 10:47:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:37,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 81 [2025-03-04 10:47:37,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:37,779 INFO L225 Difference]: With dead ends: 366 [2025-03-04 10:47:37,779 INFO L226 Difference]: Without dead ends: 359 [2025-03-04 10:47:37,779 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 10:47:37,780 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 152 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 10:47:37,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 152 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:47:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-03-04 10:47:37,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2025-03-04 10:47:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 217 states have (on average 1.599078341013825) internal successors, (347), 340 states have internal predecessors, (347), 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 10:47:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 381 transitions. [2025-03-04 10:47:37,787 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 381 transitions. Word has length 81 [2025-03-04 10:47:37,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:37,788 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 381 transitions. [2025-03-04 10:47:37,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 10:47:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 381 transitions. [2025-03-04 10:47:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-04 10:47:37,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:37,788 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] [2025-03-04 10:47:37,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 10:47:37,788 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:37,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:37,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1398460014, now seen corresponding path program 1 times [2025-03-04 10:47:37,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:37,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057895851] [2025-03-04 10:47:37,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:37,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:37,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-04 10:47:37,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-04 10:47:37,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:37,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:37,872 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 10:47:37,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:37,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057895851] [2025-03-04 10:47:37,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057895851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:37,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:37,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:37,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884808836] [2025-03-04 10:47:37,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:37,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:37,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:37,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:37,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:37,873 INFO L87 Difference]: Start difference. First operand 359 states and 381 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 10:47:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:38,067 INFO L93 Difference]: Finished difference Result 366 states and 384 transitions. [2025-03-04 10:47:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:38,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 82 [2025-03-04 10:47:38,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:38,070 INFO L225 Difference]: With dead ends: 366 [2025-03-04 10:47:38,070 INFO L226 Difference]: Without dead ends: 365 [2025-03-04 10:47:38,070 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 10:47:38,071 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 24 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:38,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 389 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:47:38,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2025-03-04 10:47:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2025-03-04 10:47:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 219 states have (on average 1.5936073059360731) internal successors, (349), 342 states have internal predecessors, (349), 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 10:47:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 383 transitions. [2025-03-04 10:47:38,081 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 383 transitions. Word has length 82 [2025-03-04 10:47:38,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:38,082 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 383 transitions. [2025-03-04 10:47:38,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 10:47:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 383 transitions. [2025-03-04 10:47:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-04 10:47:38,085 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:38,085 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] [2025-03-04 10:47:38,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 10:47:38,085 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:38,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:38,085 INFO L85 PathProgramCache]: Analyzing trace with hash 281834552, now seen corresponding path program 1 times [2025-03-04 10:47:38,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:38,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664107943] [2025-03-04 10:47:38,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:38,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:38,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:47:38,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:47:38,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:38,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:38,188 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 10:47:38,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:38,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664107943] [2025-03-04 10:47:38,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664107943] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:38,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:38,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:38,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648384654] [2025-03-04 10:47:38,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:38,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:38,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:38,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:38,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:38,189 INFO L87 Difference]: Start difference. First operand 361 states and 383 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 10:47:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:38,279 INFO L93 Difference]: Finished difference Result 361 states and 383 transitions. [2025-03-04 10:47:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 84 [2025-03-04 10:47:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:38,280 INFO L225 Difference]: With dead ends: 361 [2025-03-04 10:47:38,280 INFO L226 Difference]: Without dead ends: 359 [2025-03-04 10:47:38,280 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 10:47:38,281 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 260 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 10:47:38,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 260 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:47:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-03-04 10:47:38,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2025-03-04 10:47:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 219 states have (on average 1.5753424657534247) internal successors, (345), 340 states have internal predecessors, (345), 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 10:47:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 379 transitions. [2025-03-04 10:47:38,296 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 379 transitions. Word has length 84 [2025-03-04 10:47:38,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:38,296 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 379 transitions. [2025-03-04 10:47:38,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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 10:47:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 379 transitions. [2025-03-04 10:47:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-04 10:47:38,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:38,297 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] [2025-03-04 10:47:38,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 10:47:38,297 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:38,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:38,297 INFO L85 PathProgramCache]: Analyzing trace with hash -402587214, now seen corresponding path program 1 times [2025-03-04 10:47:38,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:38,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047265349] [2025-03-04 10:47:38,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:38,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:38,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:47:38,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:47:38,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:38,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:47:38,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:38,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047265349] [2025-03-04 10:47:38,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047265349] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:38,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727744512] [2025-03-04 10:47:38,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:38,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:38,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:38,373 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 10:47:38,375 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 10:47:38,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-04 10:47:38,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-04 10:47:38,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:38,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:38,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:47:38,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-04 10:47:38,484 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:47:38,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727744512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:38,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:38,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-04 10:47:38,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357615052] [2025-03-04 10:47:38,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:38,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:47:38,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:38,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:47:38,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:47:38,485 INFO L87 Difference]: Start difference. First operand 359 states and 379 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 10:47:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:38,573 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2025-03-04 10:47:38,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:47:38,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 83 [2025-03-04 10:47:38,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:38,574 INFO L225 Difference]: With dead ends: 363 [2025-03-04 10:47:38,574 INFO L226 Difference]: Without dead ends: 355 [2025-03-04 10:47:38,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 10:47:38,575 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 420 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:38,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 369 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:47:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-04 10:47:38,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2025-03-04 10:47:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 219 states have (on average 1.538812785388128) internal successors, (337), 332 states have internal predecessors, (337), 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 10:47:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 371 transitions. [2025-03-04 10:47:38,582 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 371 transitions. Word has length 83 [2025-03-04 10:47:38,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:38,583 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 371 transitions. [2025-03-04 10:47:38,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 10:47:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 371 transitions. [2025-03-04 10:47:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 10:47:38,583 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:38,583 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] [2025-03-04 10:47:38,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 10:47:38,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:38,784 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:38,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:38,784 INFO L85 PathProgramCache]: Analyzing trace with hash 146936654, now seen corresponding path program 1 times [2025-03-04 10:47:38,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:38,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500099289] [2025-03-04 10:47:38,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:38,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:38,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 10:47:38,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 10:47:38,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:38,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:38,842 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 10:47:38,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:38,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500099289] [2025-03-04 10:47:38,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500099289] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:38,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:38,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:47:38,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57181369] [2025-03-04 10:47:38,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:38,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:47:38,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:38,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:47:38,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:47:38,843 INFO L87 Difference]: Start difference. First operand 351 states and 371 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 10:47:39,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:39,028 INFO L93 Difference]: Finished difference Result 355 states and 371 transitions. [2025-03-04 10:47:39,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:47:39,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 85 [2025-03-04 10:47:39,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:39,030 INFO L225 Difference]: With dead ends: 355 [2025-03-04 10:47:39,030 INFO L226 Difference]: Without dead ends: 351 [2025-03-04 10:47:39,030 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 10:47:39,031 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 19 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:39,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 891 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:47:39,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-03-04 10:47:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 349. [2025-03-04 10:47:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 217 states have (on average 1.5345622119815667) internal successors, (333), 330 states have internal predecessors, (333), 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 10:47:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 367 transitions. [2025-03-04 10:47:39,038 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 367 transitions. Word has length 85 [2025-03-04 10:47:39,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:39,038 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 367 transitions. [2025-03-04 10:47:39,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 10:47:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 367 transitions. [2025-03-04 10:47:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-04 10:47:39,039 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:39,039 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] [2025-03-04 10:47:39,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 10:47:39,039 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:39,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:39,040 INFO L85 PathProgramCache]: Analyzing trace with hash 404698512, now seen corresponding path program 1 times [2025-03-04 10:47:39,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:39,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936901471] [2025-03-04 10:47:39,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:39,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:39,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:47:39,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:47:39,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:39,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:39,096 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 10:47:39,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:39,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936901471] [2025-03-04 10:47:39,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936901471] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:39,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729187702] [2025-03-04 10:47:39,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:39,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:39,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:39,098 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 10:47:39,099 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 10:47:39,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-04 10:47:39,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-04 10:47:39,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:39,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:39,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 10:47:39,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:39,197 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 10:47:39,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:39,300 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 10:47:39,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729187702] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:47:39,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:47:39,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-04 10:47:39,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104081742] [2025-03-04 10:47:39,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:39,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 10:47:39,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:39,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 10:47:39,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:47:39,302 INFO L87 Difference]: Start difference. First operand 349 states and 367 transitions. Second operand has 7 states, 6 states have (on average 28.333333333333332) internal successors, (170), 7 states have internal predecessors, (170), 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 10:47:39,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:39,465 INFO L93 Difference]: Finished difference Result 608 states and 646 transitions. [2025-03-04 10:47:39,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:47:39,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 28.333333333333332) internal successors, (170), 7 states have internal predecessors, (170), 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 84 [2025-03-04 10:47:39,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:39,467 INFO L225 Difference]: With dead ends: 608 [2025-03-04 10:47:39,467 INFO L226 Difference]: Without dead ends: 600 [2025-03-04 10:47:39,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 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 10:47:39,468 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 668 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:39,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 914 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:47:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2025-03-04 10:47:39,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 407. [2025-03-04 10:47:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 276 states have (on average 1.5253623188405796) internal successors, (421), 383 states have internal predecessors, (421), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-04 10:47:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 465 transitions. [2025-03-04 10:47:39,481 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 465 transitions. Word has length 84 [2025-03-04 10:47:39,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:39,481 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 465 transitions. [2025-03-04 10:47:39,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 28.333333333333332) internal successors, (170), 7 states have internal predecessors, (170), 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 10:47:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 465 transitions. [2025-03-04 10:47:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 10:47:39,483 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:39,483 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:39,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 10:47:39,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:39,684 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:39,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:39,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1908144007, now seen corresponding path program 1 times [2025-03-04 10:47:39,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:39,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046219662] [2025-03-04 10:47:39,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:39,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:39,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:47:39,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:47:39,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:39,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:39,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264048848] [2025-03-04 10:47:39,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:39,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:39,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:39,707 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 10:47:39,708 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 10:47:39,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 10:47:39,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 10:47:39,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:39,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:39,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:47:39,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:47:39,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-04 10:47:39,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:39,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046219662] [2025-03-04 10:47:39,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:39,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264048848] [2025-03-04 10:47:39,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264048848] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:47:39,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:47:39,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-04 10:47:39,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902244333] [2025-03-04 10:47:39,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:39,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:47:39,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:39,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:47:39,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-04 10:47:39,965 INFO L87 Difference]: Start difference. First operand 407 states and 465 transitions. Second operand has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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 10:47:40,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:40,115 INFO L93 Difference]: Finished difference Result 610 states and 642 transitions. [2025-03-04 10:47:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:47:40,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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 95 [2025-03-04 10:47:40,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:40,117 INFO L225 Difference]: With dead ends: 610 [2025-03-04 10:47:40,117 INFO L226 Difference]: Without dead ends: 605 [2025-03-04 10:47:40,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 184 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 10:47:40,118 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 711 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:40,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 801 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:47:40,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-03-04 10:47:40,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 412. [2025-03-04 10:47:40,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 284 states have (on average 1.482394366197183) internal successors, (421), 387 states have internal predecessors, (421), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:40,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 467 transitions. [2025-03-04 10:47:40,129 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 467 transitions. Word has length 95 [2025-03-04 10:47:40,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:40,130 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 467 transitions. [2025-03-04 10:47:40,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.4) internal successors, (132), 6 states have internal predecessors, (132), 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 10:47:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 467 transitions. [2025-03-04 10:47:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 10:47:40,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:40,132 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] [2025-03-04 10:47:40,137 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 10:47:40,332 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,SelfDestructingSolverStorable14 [2025-03-04 10:47:40,332 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:40,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:40,333 INFO L85 PathProgramCache]: Analyzing trace with hash -826645294, now seen corresponding path program 1 times [2025-03-04 10:47:40,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:40,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004963112] [2025-03-04 10:47:40,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:40,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:40,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:47:40,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:47:40,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:40,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:40,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1690211675] [2025-03-04 10:47:40,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:40,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:40,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:40,354 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 10:47:40,355 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 10:47:40,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 10:47:40,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 10:47:40,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:40,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:40,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:47:40,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:40,501 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 10:47:40,501 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:47:40,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:40,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004963112] [2025-03-04 10:47:40,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:40,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690211675] [2025-03-04 10:47:40,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690211675] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:40,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:40,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:47:40,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975257907] [2025-03-04 10:47:40,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:40,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:47:40,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:40,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:47:40,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:47:40,502 INFO L87 Difference]: Start difference. First operand 412 states and 467 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 10:47:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:40,736 INFO L93 Difference]: Finished difference Result 413 states and 467 transitions. [2025-03-04 10:47:40,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:40,737 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), 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 101 [2025-03-04 10:47:40,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:40,738 INFO L225 Difference]: With dead ends: 413 [2025-03-04 10:47:40,738 INFO L226 Difference]: Without dead ends: 412 [2025-03-04 10:47:40,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 98 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 10:47:40,739 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 69 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 345 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 10:47:40,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 345 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:47:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-03-04 10:47:40,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2025-03-04 10:47:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 284 states have (on average 1.4788732394366197) internal successors, (420), 387 states have internal predecessors, (420), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 466 transitions. [2025-03-04 10:47:40,755 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 466 transitions. Word has length 101 [2025-03-04 10:47:40,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:40,755 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 466 transitions. [2025-03-04 10:47:40,755 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), 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 10:47:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 466 transitions. [2025-03-04 10:47:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-04 10:47:40,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:40,756 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] [2025-03-04 10:47:40,762 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 10:47:40,960 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,SelfDestructingSolverStorable15 [2025-03-04 10:47:40,960 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:40,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash 143799771, now seen corresponding path program 1 times [2025-03-04 10:47:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:40,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997919043] [2025-03-04 10:47:40,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:40,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-04 10:47:40,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-04 10:47:40,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:40,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:40,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674752554] [2025-03-04 10:47:40,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:40,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:40,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:40,984 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 10:47:40,985 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 10:47:41,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-04 10:47:41,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-04 10:47:41,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:41,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:41,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:47:41,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:41,216 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 10:47:41,216 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:47:41,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:41,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997919043] [2025-03-04 10:47:41,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:41,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674752554] [2025-03-04 10:47:41,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674752554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:41,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:41,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 10:47:41,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371436460] [2025-03-04 10:47:41,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:41,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 10:47:41,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:41,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 10:47:41,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 10:47:41,217 INFO L87 Difference]: Start difference. First operand 412 states and 466 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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 10:47:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:41,558 INFO L93 Difference]: Finished difference Result 413 states and 466 transitions. [2025-03-04 10:47:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 10:47:41,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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 102 [2025-03-04 10:47:41,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:41,560 INFO L225 Difference]: With dead ends: 413 [2025-03-04 10:47:41,560 INFO L226 Difference]: Without dead ends: 392 [2025-03-04 10:47:41,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 10:47:41,560 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 20 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 378 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 10:47:41,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 378 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 10:47:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-04 10:47:41,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-03-04 10:47:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 266 states have (on average 1.5075187969924813) internal successors, (401), 369 states have internal predecessors, (401), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 10:47:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 443 transitions. [2025-03-04 10:47:41,571 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 443 transitions. Word has length 102 [2025-03-04 10:47:41,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:41,571 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 443 transitions. [2025-03-04 10:47:41,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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 10:47:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 443 transitions. [2025-03-04 10:47:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-04 10:47:41,572 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:41,572 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:41,578 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 10:47:41,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:41,777 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:41,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:41,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1530785980, now seen corresponding path program 1 times [2025-03-04 10:47:41,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:41,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586515694] [2025-03-04 10:47:41,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:41,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:41,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:47:41,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:47:41,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:41,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:41,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701559158] [2025-03-04 10:47:41,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:41,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:41,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:41,800 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 10:47:41,802 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 10:47:41,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-04 10:47:41,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-04 10:47:41,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:41,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:41,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-04 10:47:41,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:42,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 10:47:42,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:42,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586515694] [2025-03-04 10:47:42,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:42,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701559158] [2025-03-04 10:47:42,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701559158] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:42,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:42,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 10:47:42,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137663517] [2025-03-04 10:47:42,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:42,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:47:42,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:42,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:47:42,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 10:47:42,017 INFO L87 Difference]: Start difference. First operand 392 states and 443 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 10:47:42,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:42,414 INFO L93 Difference]: Finished difference Result 392 states and 443 transitions. [2025-03-04 10:47:42,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:47:42,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 116 [2025-03-04 10:47:42,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:42,416 INFO L225 Difference]: With dead ends: 392 [2025-03-04 10:47:42,416 INFO L226 Difference]: Without dead ends: 382 [2025-03-04 10:47:42,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 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 10:47:42,416 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 235 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:42,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 258 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:42,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-03-04 10:47:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2025-03-04 10:47:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 266 states have (on average 1.4548872180451127) internal successors, (387), 359 states have internal predecessors, (387), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 10:47:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 429 transitions. [2025-03-04 10:47:42,440 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 429 transitions. Word has length 116 [2025-03-04 10:47:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:42,440 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 429 transitions. [2025-03-04 10:47:42,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 10:47:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2025-03-04 10:47:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-04 10:47:42,441 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:42,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:42,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-04 10:47:42,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-04 10:47:42,641 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:42,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:42,642 INFO L85 PathProgramCache]: Analyzing trace with hash 209725343, now seen corresponding path program 1 times [2025-03-04 10:47:42,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:42,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444189281] [2025-03-04 10:47:42,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:42,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:47:42,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:47:42,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:42,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:42,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878398315] [2025-03-04 10:47:42,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:42,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:42,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:42,664 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 10:47:42,664 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 10:47:42,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-04 10:47:42,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-04 10:47:42,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:42,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:42,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:47:42,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:42,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:43,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:43,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444189281] [2025-03-04 10:47:43,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:43,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878398315] [2025-03-04 10:47:43,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878398315] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:43,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:43,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:47:43,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55098296] [2025-03-04 10:47:43,253 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:43,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:47:43,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:43,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:47:43,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:47:43,254 INFO L87 Difference]: Start difference. First operand 382 states and 429 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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 10:47:43,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:43,735 INFO L93 Difference]: Finished difference Result 508 states and 588 transitions. [2025-03-04 10:47:43,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:47:43,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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 117 [2025-03-04 10:47:43,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:43,737 INFO L225 Difference]: With dead ends: 508 [2025-03-04 10:47:43,737 INFO L226 Difference]: Without dead ends: 485 [2025-03-04 10:47:43,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 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 10:47:43,738 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 131 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:43,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 355 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:47:43,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-03-04 10:47:43,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 467. [2025-03-04 10:47:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 346 states have (on average 1.4624277456647399) internal successors, (506), 439 states have internal predecessors, (506), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-04 10:47:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 558 transitions. [2025-03-04 10:47:43,751 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 558 transitions. Word has length 117 [2025-03-04 10:47:43,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:43,752 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 558 transitions. [2025-03-04 10:47:43,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 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 10:47:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 558 transitions. [2025-03-04 10:47:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-04 10:47:43,752 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:43,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:43,760 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 10:47:43,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:43,954 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:43,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2088448742, now seen corresponding path program 1 times [2025-03-04 10:47:43,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:43,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848215577] [2025-03-04 10:47:43,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:43,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 10:47:43,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 10:47:43,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:43,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:44,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:44,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848215577] [2025-03-04 10:47:44,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848215577] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:44,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859681592] [2025-03-04 10:47:44,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:44,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:44,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:44,041 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 10:47:44,043 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 10:47:44,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-04 10:47:44,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-04 10:47:44,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:44,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:44,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:47:44,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:44,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:44,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859681592] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:47:44,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:47:44,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-04 10:47:44,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957504694] [2025-03-04 10:47:44,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:44,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:47:44,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:44,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:47:44,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:47:44,364 INFO L87 Difference]: Start difference. First operand 467 states and 558 transitions. Second operand has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 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 10:47:44,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:44,808 INFO L93 Difference]: Finished difference Result 492 states and 565 transitions. [2025-03-04 10:47:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:47:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 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 118 [2025-03-04 10:47:44,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:44,810 INFO L225 Difference]: With dead ends: 492 [2025-03-04 10:47:44,810 INFO L226 Difference]: Without dead ends: 487 [2025-03-04 10:47:44,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 232 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 10:47:44,810 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 336 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:44,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 520 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:44,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-03-04 10:47:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 463. [2025-03-04 10:47:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 346 states have (on average 1.4364161849710984) internal successors, (497), 435 states have internal predecessors, (497), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-04 10:47:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 549 transitions. [2025-03-04 10:47:44,821 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 549 transitions. Word has length 118 [2025-03-04 10:47:44,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:44,821 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 549 transitions. [2025-03-04 10:47:44,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 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 10:47:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 549 transitions. [2025-03-04 10:47:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-04 10:47:44,822 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:44,822 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:44,828 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 10:47:45,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:45,023 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:45,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash -317401347, now seen corresponding path program 1 times [2025-03-04 10:47:45,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:45,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853047655] [2025-03-04 10:47:45,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:45,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-04 10:47:45,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-04 10:47:45,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:45,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:45,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:45,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853047655] [2025-03-04 10:47:45,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853047655] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:45,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251039013] [2025-03-04 10:47:45,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:45,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:45,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:45,131 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 10:47:45,136 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 10:47:45,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-04 10:47:45,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-04 10:47:45,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:45,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:45,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:47:45,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:45,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:45,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251039013] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:47:45,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:47:45,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-04 10:47:45,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210230884] [2025-03-04 10:47:45,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:45,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:47:45,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:45,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:47:45,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:47:45,485 INFO L87 Difference]: Start difference. First operand 463 states and 549 transitions. Second operand has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 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 10:47:45,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:45,941 INFO L93 Difference]: Finished difference Result 488 states and 556 transitions. [2025-03-04 10:47:45,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:47:45,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 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 119 [2025-03-04 10:47:45,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:45,943 INFO L225 Difference]: With dead ends: 488 [2025-03-04 10:47:45,943 INFO L226 Difference]: Without dead ends: 483 [2025-03-04 10:47:45,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 234 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 10:47:45,943 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 334 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:45,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 584 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:45,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-03-04 10:47:45,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 459. [2025-03-04 10:47:45,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 346 states have (on average 1.4104046242774566) internal successors, (488), 431 states have internal predecessors, (488), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-04 10:47:45,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 540 transitions. [2025-03-04 10:47:45,965 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 540 transitions. Word has length 119 [2025-03-04 10:47:45,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:45,966 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 540 transitions. [2025-03-04 10:47:45,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 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 10:47:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 540 transitions. [2025-03-04 10:47:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-04 10:47:45,967 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:45,967 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] [2025-03-04 10:47:45,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-04 10:47:46,171 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,SelfDestructingSolverStorable20 [2025-03-04 10:47:46,171 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:46,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:46,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1249506952, now seen corresponding path program 1 times [2025-03-04 10:47:46,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:46,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727212207] [2025-03-04 10:47:46,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:46,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:46,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-04 10:47:46,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-04 10:47:46,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:46,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:46,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638937512] [2025-03-04 10:47:46,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:46,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:46,195 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 10:47:46,196 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 10:47:46,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-04 10:47:46,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-04 10:47:46,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:46,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:46,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-04 10:47:46,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:46,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-04 10:47:46,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:46,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727212207] [2025-03-04 10:47:46,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:46,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638937512] [2025-03-04 10:47:46,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638937512] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:47:46,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:47:46,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-04 10:47:46,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101469718] [2025-03-04 10:47:46,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:46,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:47:46,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:46,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:47:46,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:47:46,793 INFO L87 Difference]: Start difference. First operand 459 states and 540 transitions. Second operand has 10 states, 9 states have (on average 18.0) internal successors, (162), 10 states have internal predecessors, (162), 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 10:47:48,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:48,237 INFO L93 Difference]: Finished difference Result 507 states and 547 transitions. [2025-03-04 10:47:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:47:48,239 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.0) internal successors, (162), 10 states have internal predecessors, (162), 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 120 [2025-03-04 10:47:48,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:48,241 INFO L225 Difference]: With dead ends: 507 [2025-03-04 10:47:48,241 INFO L226 Difference]: Without dead ends: 412 [2025-03-04 10:47:48,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 230 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 10:47:48,242 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 748 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:48,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 434 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-04 10:47:48,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-03-04 10:47:48,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 406. [2025-03-04 10:47:48,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 298 states have (on average 1.3456375838926173) internal successors, (401), 381 states have internal predecessors, (401), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 447 transitions. [2025-03-04 10:47:48,253 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 447 transitions. Word has length 120 [2025-03-04 10:47:48,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:48,253 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 447 transitions. [2025-03-04 10:47:48,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.0) internal successors, (162), 10 states have internal predecessors, (162), 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 10:47:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 447 transitions. [2025-03-04 10:47:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-04 10:47:48,254 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:48,254 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, 1, 1, 1, 1] [2025-03-04 10:47:48,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-04 10:47:48,454 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,SelfDestructingSolverStorable21 [2025-03-04 10:47:48,455 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:48,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:48,455 INFO L85 PathProgramCache]: Analyzing trace with hash -211881821, now seen corresponding path program 1 times [2025-03-04 10:47:48,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:48,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563415208] [2025-03-04 10:47:48,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:48,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:48,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-04 10:47:48,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-04 10:47:48,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:48,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-03-04 10:47:48,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:48,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563415208] [2025-03-04 10:47:48,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563415208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 10:47:48,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 10:47:48,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 10:47:48,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121274918] [2025-03-04 10:47:48,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 10:47:48,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 10:47:48,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:48,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 10:47:48,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 10:47:48,529 INFO L87 Difference]: Start difference. First operand 406 states and 447 transitions. Second operand has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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 10:47:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:48,728 INFO L93 Difference]: Finished difference Result 406 states and 447 transitions. [2025-03-04 10:47:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 10:47:48,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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 162 [2025-03-04 10:47:48,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:48,730 INFO L225 Difference]: With dead ends: 406 [2025-03-04 10:47:48,730 INFO L226 Difference]: Without dead ends: 403 [2025-03-04 10:47:48,730 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 10:47:48,730 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 126 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:48,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 152 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:47:48,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-04 10:47:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-04 10:47:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 298 states have (on average 1.332214765100671) internal successors, (397), 378 states have internal predecessors, (397), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 443 transitions. [2025-03-04 10:47:48,740 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 443 transitions. Word has length 162 [2025-03-04 10:47:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:48,740 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 443 transitions. [2025-03-04 10:47:48,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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 10:47:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 443 transitions. [2025-03-04 10:47:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-03-04 10:47:48,742 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:48,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:47:48,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-04 10:47:48,743 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:48,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:48,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1917038237, now seen corresponding path program 1 times [2025-03-04 10:47:48,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:48,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067658385] [2025-03-04 10:47:48,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:48,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:48,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-04 10:47:48,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-04 10:47:48,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:48,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:47:48,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067658385] [2025-03-04 10:47:48,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067658385] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:48,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81629118] [2025-03-04 10:47:48,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:48,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:48,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:48,818 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 10:47:48,819 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 10:47:48,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-03-04 10:47:48,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-03-04 10:47:48,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:48,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:48,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:47:48,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:47:48,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:47:49,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81629118] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:47:49,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:47:49,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-04 10:47:49,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353244817] [2025-03-04 10:47:49,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:49,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:47:49,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:49,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:47:49,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-04 10:47:49,143 INFO L87 Difference]: Start difference. First operand 403 states and 443 transitions. Second operand has 9 states, 8 states have (on average 34.0) internal successors, (272), 9 states have internal predecessors, (272), 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 10:47:49,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:49,385 INFO L93 Difference]: Finished difference Result 426 states and 452 transitions. [2025-03-04 10:47:49,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:47:49,385 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.0) internal successors, (272), 9 states have internal predecessors, (272), 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 165 [2025-03-04 10:47:49,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:49,387 INFO L225 Difference]: With dead ends: 426 [2025-03-04 10:47:49,387 INFO L226 Difference]: Without dead ends: 424 [2025-03-04 10:47:49,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 325 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 10:47:49,388 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 616 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:49,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 742 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:47:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2025-03-04 10:47:49,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 401. [2025-03-04 10:47:49,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 298 states have (on average 1.3187919463087248) internal successors, (393), 376 states have internal predecessors, (393), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 439 transitions. [2025-03-04 10:47:49,399 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 439 transitions. Word has length 165 [2025-03-04 10:47:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:49,399 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 439 transitions. [2025-03-04 10:47:49,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.0) internal successors, (272), 9 states have internal predecessors, (272), 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 10:47:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 439 transitions. [2025-03-04 10:47:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-04 10:47:49,400 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:49,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:47:49,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-04 10:47:49,601 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 10:47:49,601 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:49,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:49,604 INFO L85 PathProgramCache]: Analyzing trace with hash -701356665, now seen corresponding path program 1 times [2025-03-04 10:47:49,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:49,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335553962] [2025-03-04 10:47:49,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:49,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:49,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-04 10:47:49,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-04 10:47:49,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:49,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:49,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528120969] [2025-03-04 10:47:49,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:49,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:49,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:49,622 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 10:47:49,624 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 10:47:49,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-04 10:47:49,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-04 10:47:49,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:49,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:49,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:47:49,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:47:49,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:50,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:50,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335553962] [2025-03-04 10:47:50,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:50,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528120969] [2025-03-04 10:47:50,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528120969] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:50,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:50,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:47:50,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900294263] [2025-03-04 10:47:50,478 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:50,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:47:50,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:50,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:47:50,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:47:50,478 INFO L87 Difference]: Start difference. First operand 401 states and 439 transitions. Second operand has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 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 10:47:50,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:50,906 INFO L93 Difference]: Finished difference Result 402 states and 439 transitions. [2025-03-04 10:47:50,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:47:50,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 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 166 [2025-03-04 10:47:50,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:50,908 INFO L225 Difference]: With dead ends: 402 [2025-03-04 10:47:50,908 INFO L226 Difference]: Without dead ends: 401 [2025-03-04 10:47:50,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 253 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 10:47:50,908 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 32 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:50,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 428 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-04 10:47:50,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-03-04 10:47:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 298 states have (on average 1.3154362416107384) internal successors, (392), 376 states have internal predecessors, (392), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 438 transitions. [2025-03-04 10:47:50,917 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 438 transitions. Word has length 166 [2025-03-04 10:47:50,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:50,917 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 438 transitions. [2025-03-04 10:47:50,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 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 10:47:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 438 transitions. [2025-03-04 10:47:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-03-04 10:47:50,918 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:50,918 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, 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 10:47:50,924 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 10:47:51,118 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 10:47:51,119 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:51,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:51,119 INFO L85 PathProgramCache]: Analyzing trace with hash -267220005, now seen corresponding path program 1 times [2025-03-04 10:47:51,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:51,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122830126] [2025-03-04 10:47:51,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:51,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:51,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-04 10:47:51,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-04 10:47:51,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:51,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:51,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839631361] [2025-03-04 10:47:51,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:51,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:51,145 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 10:47:51,151 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 10:47:51,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-04 10:47:51,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-04 10:47:51,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:51,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:51,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:47:51,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:47:51,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:51,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:51,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122830126] [2025-03-04 10:47:51,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:51,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839631361] [2025-03-04 10:47:51,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839631361] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:51,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:51,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:47:51,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841959483] [2025-03-04 10:47:51,673 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:51,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:47:51,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:51,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:47:51,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:47:51,674 INFO L87 Difference]: Start difference. First operand 401 states and 438 transitions. Second operand has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 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 10:47:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:52,166 INFO L93 Difference]: Finished difference Result 412 states and 438 transitions. [2025-03-04 10:47:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:47:52,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 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 167 [2025-03-04 10:47:52,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:52,168 INFO L225 Difference]: With dead ends: 412 [2025-03-04 10:47:52,171 INFO L226 Difference]: Without dead ends: 411 [2025-03-04 10:47:52,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:47:52,172 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 69 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:52,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 512 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-04 10:47:52,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2025-03-04 10:47:52,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 401. [2025-03-04 10:47:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 298 states have (on average 1.3120805369127517) internal successors, (391), 376 states have internal predecessors, (391), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 437 transitions. [2025-03-04 10:47:52,185 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 437 transitions. Word has length 167 [2025-03-04 10:47:52,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:52,185 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 437 transitions. [2025-03-04 10:47:52,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 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 10:47:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 437 transitions. [2025-03-04 10:47:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-04 10:47:52,187 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:52,187 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, 1, 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 10:47:52,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-04 10:47:52,387 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 10:47:52,388 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:52,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:52,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2118324867, now seen corresponding path program 1 times [2025-03-04 10:47:52,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:52,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065143934] [2025-03-04 10:47:52,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:52,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 10:47:52,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 10:47:52,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:52,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:52,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435713294] [2025-03-04 10:47:52,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:52,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:52,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:52,409 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 10:47:52,410 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 10:47:52,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-04 10:47:52,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-04 10:47:52,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:52,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:52,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-04 10:47:52,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:47:52,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:53,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:53,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065143934] [2025-03-04 10:47:53,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:53,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435713294] [2025-03-04 10:47:53,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435713294] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:53,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:53,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:47:53,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846065263] [2025-03-04 10:47:53,216 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:53,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:47:53,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:53,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:47:53,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:47:53,216 INFO L87 Difference]: Start difference. First operand 401 states and 437 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 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 10:47:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:53,688 INFO L93 Difference]: Finished difference Result 405 states and 437 transitions. [2025-03-04 10:47:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 10:47:53,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 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 170 [2025-03-04 10:47:53,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:53,689 INFO L225 Difference]: With dead ends: 405 [2025-03-04 10:47:53,689 INFO L226 Difference]: Without dead ends: 401 [2025-03-04 10:47:53,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:47:53,690 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 27 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:53,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 378 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-04 10:47:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-03-04 10:47:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 298 states have (on average 1.2986577181208054) internal successors, (387), 376 states have internal predecessors, (387), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 433 transitions. [2025-03-04 10:47:53,700 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 433 transitions. Word has length 170 [2025-03-04 10:47:53,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:53,700 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 433 transitions. [2025-03-04 10:47:53,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 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 10:47:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 433 transitions. [2025-03-04 10:47:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-04 10:47:53,702 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:53,702 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, 1, 1, 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 10:47:53,709 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 10:47:53,902 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,SelfDestructingSolverStorable26 [2025-03-04 10:47:53,903 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:53,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:53,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1243561559, now seen corresponding path program 1 times [2025-03-04 10:47:53,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:53,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414180783] [2025-03-04 10:47:53,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:53,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:53,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 10:47:53,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 10:47:53,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:53,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:53,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [624980678] [2025-03-04 10:47:53,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:53,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:53,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:53,924 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 10:47:53,926 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 10:47:53,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-04 10:47:53,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-04 10:47:53,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:53,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:53,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:47:53,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-04 10:47:54,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:54,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:54,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414180783] [2025-03-04 10:47:54,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:54,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624980678] [2025-03-04 10:47:54,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624980678] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:54,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:54,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-04 10:47:54,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190751807] [2025-03-04 10:47:54,379 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:54,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 10:47:54,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:54,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 10:47:54,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:47:54,380 INFO L87 Difference]: Start difference. First operand 401 states and 433 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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 10:47:54,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:54,776 INFO L93 Difference]: Finished difference Result 405 states and 433 transitions. [2025-03-04 10:47:54,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 10:47:54,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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 171 [2025-03-04 10:47:54,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:54,778 INFO L225 Difference]: With dead ends: 405 [2025-03-04 10:47:54,778 INFO L226 Difference]: Without dead ends: 401 [2025-03-04 10:47:54,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-04 10:47:54,778 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 24 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:54,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 533 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 10:47:54,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-03-04 10:47:54,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2025-03-04 10:47:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 298 states have (on average 1.2852348993288591) internal successors, (383), 376 states have internal predecessors, (383), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-04 10:47:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 429 transitions. [2025-03-04 10:47:54,788 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 429 transitions. Word has length 171 [2025-03-04 10:47:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:54,788 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 429 transitions. [2025-03-04 10:47:54,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 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 10:47:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 429 transitions. [2025-03-04 10:47:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-04 10:47:54,789 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:54,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:47:54,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-04 10:47:54,989 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,SelfDestructingSolverStorable27 [2025-03-04 10:47:54,989 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:54,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:54,990 INFO L85 PathProgramCache]: Analyzing trace with hash 543451033, now seen corresponding path program 1 times [2025-03-04 10:47:54,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:54,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945560369] [2025-03-04 10:47:54,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:54,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:54,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-04 10:47:55,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-04 10:47:55,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:55,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:55,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996380962] [2025-03-04 10:47:55,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:55,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:55,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:55,013 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 10:47:55,014 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 10:47:55,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-04 10:47:55,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-04 10:47:55,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:55,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:55,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-04 10:47:55,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 33 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2025-03-04 10:47:55,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:55,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:55,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945560369] [2025-03-04 10:47:55,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:55,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996380962] [2025-03-04 10:47:55,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996380962] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:55,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:55,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:47:55,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371837166] [2025-03-04 10:47:55,628 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:55,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:47:55,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:55,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:47:55,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:47:55,629 INFO L87 Difference]: Start difference. First operand 401 states and 429 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 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 10:47:56,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:56,318 INFO L93 Difference]: Finished difference Result 409 states and 431 transitions. [2025-03-04 10:47:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:47:56,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 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 189 [2025-03-04 10:47:56,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:56,320 INFO L225 Difference]: With dead ends: 409 [2025-03-04 10:47:56,320 INFO L226 Difference]: Without dead ends: 369 [2025-03-04 10:47:56,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 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 10:47:56,321 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 28 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:56,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 824 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:47:56,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-04 10:47:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2025-03-04 10:47:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 266 states have (on average 1.2969924812030076) internal successors, (345), 344 states have internal predecessors, (345), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 10:47:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 387 transitions. [2025-03-04 10:47:56,329 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 387 transitions. Word has length 189 [2025-03-04 10:47:56,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:56,329 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 387 transitions. [2025-03-04 10:47:56,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 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 10:47:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 387 transitions. [2025-03-04 10:47:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-04 10:47:56,329 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:56,330 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:47:56,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-04 10:47:56,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-04 10:47:56,530 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:56,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:56,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1436952991, now seen corresponding path program 1 times [2025-03-04 10:47:56,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:56,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525840096] [2025-03-04 10:47:56,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:56,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-04 10:47:56,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-04 10:47:56,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:56,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919304632] [2025-03-04 10:47:56,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:47:56,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:56,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:56,556 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 10:47:56,558 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 10:47:56,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-04 10:47:56,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-04 10:47:56,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:47:56,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:56,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 10:47:56,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-04 10:47:56,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:56,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:56,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525840096] [2025-03-04 10:47:56,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:56,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919304632] [2025-03-04 10:47:56,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919304632] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:56,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:56,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-04 10:47:56,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739372415] [2025-03-04 10:47:56,825 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:56,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 10:47:56,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:56,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 10:47:56,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-04 10:47:56,826 INFO L87 Difference]: Start difference. First operand 367 states and 387 transitions. Second operand has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 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 10:47:56,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:56,929 INFO L93 Difference]: Finished difference Result 572 states and 601 transitions. [2025-03-04 10:47:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 10:47:56,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 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 190 [2025-03-04 10:47:56,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:56,931 INFO L225 Difference]: With dead ends: 572 [2025-03-04 10:47:56,931 INFO L226 Difference]: Without dead ends: 571 [2025-03-04 10:47:56,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 222 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 10:47:56,931 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 189 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:56,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 822 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 10:47:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2025-03-04 10:47:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 374. [2025-03-04 10:47:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 272 states have (on average 1.2904411764705883) internal successors, (351), 350 states have internal predecessors, (351), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-04 10:47:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 395 transitions. [2025-03-04 10:47:56,949 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 395 transitions. Word has length 190 [2025-03-04 10:47:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:56,949 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 395 transitions. [2025-03-04 10:47:56,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.25) internal successors, (133), 5 states have internal predecessors, (133), 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 10:47:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 395 transitions. [2025-03-04 10:47:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-03-04 10:47:56,950 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:56,950 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:47:56,966 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 10:47:57,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:57,150 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:57,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:57,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1503082770, now seen corresponding path program 2 times [2025-03-04 10:47:57,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:57,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640570797] [2025-03-04 10:47:57,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:47:57,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:57,157 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 197 statements into 2 equivalence classes. [2025-03-04 10:47:57,167 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 10:47:57,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:47:57,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:47:57,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362279047] [2025-03-04 10:47:57,171 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:47:57,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:57,173 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 10:47:57,175 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 10:47:57,197 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 197 statements into 2 equivalence classes. [2025-03-04 10:47:57,226 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 197 of 197 statements. [2025-03-04 10:47:57,226 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:47:57,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:57,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:47:57,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:47:57,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:57,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:57,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640570797] [2025-03-04 10:47:57,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:47:57,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362279047] [2025-03-04 10:47:57,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362279047] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:57,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:47:57,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:47:57,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130063180] [2025-03-04 10:47:57,874 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:57,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:47:57,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:57,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:47:57,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:47:57,875 INFO L87 Difference]: Start difference. First operand 374 states and 395 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 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 10:47:58,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:47:58,580 INFO L93 Difference]: Finished difference Result 526 states and 607 transitions. [2025-03-04 10:47:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:47:58,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 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 197 [2025-03-04 10:47:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:47:58,582 INFO L225 Difference]: With dead ends: 526 [2025-03-04 10:47:58,582 INFO L226 Difference]: Without dead ends: 505 [2025-03-04 10:47:58,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:47:58,582 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 121 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:47:58,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 438 Invalid, 1785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1765 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:47:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2025-03-04 10:47:58,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 493. [2025-03-04 10:47:58,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 383 states have (on average 1.3394255874673628) internal successors, (513), 461 states have internal predecessors, (513), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-04 10:47:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 573 transitions. [2025-03-04 10:47:58,592 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 573 transitions. Word has length 197 [2025-03-04 10:47:58,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:47:58,593 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 573 transitions. [2025-03-04 10:47:58,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 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 10:47:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 573 transitions. [2025-03-04 10:47:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2025-03-04 10:47:58,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:47:58,593 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:47:58,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-04 10:47:58,794 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,SelfDestructingSolverStorable30 [2025-03-04 10:47:58,794 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:47:58,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:47:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash 649074603, now seen corresponding path program 2 times [2025-03-04 10:47:58,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:47:58,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813483844] [2025-03-04 10:47:58,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:47:58,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:47:58,801 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 198 statements into 2 equivalence classes. [2025-03-04 10:47:58,808 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-03-04 10:47:58,808 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:47:58,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:47:58,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:47:58,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813483844] [2025-03-04 10:47:58,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813483844] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:47:58,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777783981] [2025-03-04 10:47:58,924 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:47:58,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:47:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:47:58,926 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 10:47:58,928 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 10:47:58,949 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 198 statements into 2 equivalence classes. [2025-03-04 10:47:58,974 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-03-04 10:47:58,974 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:47:58,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:47:58,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:47:58,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:47:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:47:59,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:47:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:47:59,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777783981] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:47:59,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:47:59,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 10:47:59,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25590886] [2025-03-04 10:47:59,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:47:59,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:47:59,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:47:59,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:47:59,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:47:59,469 INFO L87 Difference]: Start difference. First operand 493 states and 573 transitions. Second operand has 13 states, 12 states have (on average 31.25) internal successors, (375), 13 states have internal predecessors, (375), 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 10:48:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:00,424 INFO L93 Difference]: Finished difference Result 493 states and 573 transitions. [2025-03-04 10:48:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:48:00,424 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.25) internal successors, (375), 13 states have internal predecessors, (375), 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 198 [2025-03-04 10:48:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:00,426 INFO L225 Difference]: With dead ends: 493 [2025-03-04 10:48:00,426 INFO L226 Difference]: Without dead ends: 489 [2025-03-04 10:48:00,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 388 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 10:48:00,426 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 542 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:00,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 572 Invalid, 1416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-04 10:48:00,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-03-04 10:48:00,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2025-03-04 10:48:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 383 states have (on average 1.318537859007833) internal successors, (505), 457 states have internal predecessors, (505), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-04 10:48:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 565 transitions. [2025-03-04 10:48:00,449 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 565 transitions. Word has length 198 [2025-03-04 10:48:00,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:00,449 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 565 transitions. [2025-03-04 10:48:00,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.25) internal successors, (375), 13 states have internal predecessors, (375), 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 10:48:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 565 transitions. [2025-03-04 10:48:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-04 10:48:00,450 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:00,450 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:48:00,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-04 10:48:00,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:00,650 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:00,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:00,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1353523572, now seen corresponding path program 2 times [2025-03-04 10:48:00,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:00,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433753746] [2025-03-04 10:48:00,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:00,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:00,656 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-04 10:48:00,664 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-04 10:48:00,664 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:00,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:48:00,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433753746] [2025-03-04 10:48:00,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433753746] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:48:00,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474704986] [2025-03-04 10:48:00,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:00,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:00,788 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 10:48:00,789 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 10:48:00,815 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-04 10:48:00,843 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-04 10:48:00,843 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:00,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:00,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 10:48:00,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:48:01,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:48:01,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474704986] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:48:01,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 10:48:01,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-04 10:48:01,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469955338] [2025-03-04 10:48:01,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:01,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 10:48:01,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:01,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 10:48:01,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:48:01,368 INFO L87 Difference]: Start difference. First operand 489 states and 565 transitions. Second operand has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 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 10:48:02,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:02,091 INFO L93 Difference]: Finished difference Result 547 states and 612 transitions. [2025-03-04 10:48:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 10:48:02,091 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 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 199 [2025-03-04 10:48:02,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:02,093 INFO L225 Difference]: With dead ends: 547 [2025-03-04 10:48:02,093 INFO L226 Difference]: Without dead ends: 545 [2025-03-04 10:48:02,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 390 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 10:48:02,093 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 391 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:02,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 591 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:48:02,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-03-04 10:48:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 516. [2025-03-04 10:48:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 407 states have (on average 1.3022113022113022) internal successors, (530), 481 states have internal predecessors, (530), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-04 10:48:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 596 transitions. [2025-03-04 10:48:02,107 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 596 transitions. Word has length 199 [2025-03-04 10:48:02,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:02,107 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 596 transitions. [2025-03-04 10:48:02,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 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 10:48:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 596 transitions. [2025-03-04 10:48:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-04 10:48:02,108 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:02,108 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, 1, 1, 1] [2025-03-04 10:48:02,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-04 10:48:02,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:02,309 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:02,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:02,309 INFO L85 PathProgramCache]: Analyzing trace with hash 638944810, now seen corresponding path program 1 times [2025-03-04 10:48:02,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:02,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513170048] [2025-03-04 10:48:02,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:48:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:02,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-04 10:48:02,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 10:48:02,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:48:02,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:48:02,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:02,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513170048] [2025-03-04 10:48:02,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513170048] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:48:02,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482111726] [2025-03-04 10:48:02,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:48:02,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:02,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:02,463 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 10:48:02,464 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 10:48:02,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-04 10:48:02,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-04 10:48:02,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:48:02,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:02,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 10:48:02,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-04 10:48:02,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:02,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482111726] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:48:02,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:48:02,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-04 10:48:02,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084053310] [2025-03-04 10:48:02,938 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:02,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:48:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:02,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:48:02,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-04 10:48:02,938 INFO L87 Difference]: Start difference. First operand 516 states and 596 transitions. Second operand has 11 states, 10 states have (on average 25.1) internal successors, (251), 11 states have internal predecessors, (251), 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 10:48:05,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:05,139 INFO L93 Difference]: Finished difference Result 516 states and 596 transitions. [2025-03-04 10:48:05,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:48:05,140 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.1) internal successors, (251), 11 states have internal predecessors, (251), 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 201 [2025-03-04 10:48:05,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:05,141 INFO L225 Difference]: With dead ends: 516 [2025-03-04 10:48:05,141 INFO L226 Difference]: Without dead ends: 504 [2025-03-04 10:48:05,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-03-04 10:48:05,142 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 484 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:05,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 633 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-04 10:48:05,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2025-03-04 10:48:05,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2025-03-04 10:48:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 407 states have (on average 1.2653562653562653) internal successors, (515), 469 states have internal predecessors, (515), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-04 10:48:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 581 transitions. [2025-03-04 10:48:05,155 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 581 transitions. Word has length 201 [2025-03-04 10:48:05,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:05,156 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 581 transitions. [2025-03-04 10:48:05,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.1) internal successors, (251), 11 states have internal predecessors, (251), 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 10:48:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 581 transitions. [2025-03-04 10:48:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-03-04 10:48:05,158 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:05,158 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 10:48:05,165 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 10:48:05,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:05,359 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:05,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash -490013691, now seen corresponding path program 1 times [2025-03-04 10:48:05,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:05,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769396410] [2025-03-04 10:48:05,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:48:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:05,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-03-04 10:48:05,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-03-04 10:48:05,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:48:05,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:05,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060812384] [2025-03-04 10:48:05,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:48:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:05,380 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 10:48:05,381 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 10:48:05,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 204 statements into 1 equivalence classes. [2025-03-04 10:48:05,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 204 of 204 statements. [2025-03-04 10:48:05,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:48:05,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:05,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-04 10:48:05,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:05,979 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 10:48:05,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:06,301 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 10:48:06,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:06,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769396410] [2025-03-04 10:48:06,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:48:06,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060812384] [2025-03-04 10:48:06,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060812384] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:48:06,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:48:06,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-04 10:48:06,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937482616] [2025-03-04 10:48:06,301 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:06,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-04 10:48:06,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:06,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-04 10:48:06,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-04 10:48:06,302 INFO L87 Difference]: Start difference. First operand 504 states and 581 transitions. Second operand has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 16 states have internal predecessors, (280), 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 10:48:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:09,106 INFO L93 Difference]: Finished difference Result 807 states and 985 transitions. [2025-03-04 10:48:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-04 10:48:09,107 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 16 states have internal predecessors, (280), 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 204 [2025-03-04 10:48:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:09,110 INFO L225 Difference]: With dead ends: 807 [2025-03-04 10:48:09,110 INFO L226 Difference]: Without dead ends: 722 [2025-03-04 10:48:09,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 392 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 10:48:09,111 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 1211 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:09,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 961 Invalid, 2763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2638 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-04 10:48:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2025-03-04 10:48:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 521. [2025-03-04 10:48:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 423 states have (on average 1.2387706855791962) internal successors, (524), 484 states have internal predecessors, (524), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:48:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 594 transitions. [2025-03-04 10:48:09,142 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 594 transitions. Word has length 204 [2025-03-04 10:48:09,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:09,143 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 594 transitions. [2025-03-04 10:48:09,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 16 states have internal predecessors, (280), 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 10:48:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 594 transitions. [2025-03-04 10:48:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2025-03-04 10:48:09,144 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:09,145 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 10:48:09,151 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 10:48:09,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:09,349 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:09,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:09,349 INFO L85 PathProgramCache]: Analyzing trace with hash -623793640, now seen corresponding path program 2 times [2025-03-04 10:48:09,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:09,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153694641] [2025-03-04 10:48:09,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:09,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:09,359 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes. [2025-03-04 10:48:09,371 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 246 of 246 statements. [2025-03-04 10:48:09,371 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:09,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:09,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439632349] [2025-03-04 10:48:09,372 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:09,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:09,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:09,375 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 10:48:09,376 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 10:48:09,401 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 246 statements into 2 equivalence classes. [2025-03-04 10:48:09,435 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 246 of 246 statements. [2025-03-04 10:48:09,435 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:09,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:09,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-04 10:48:09,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:48:10,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:10,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:10,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153694641] [2025-03-04 10:48:10,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:48:10,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439632349] [2025-03-04 10:48:10,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439632349] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:48:10,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:48:10,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-04 10:48:10,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713290969] [2025-03-04 10:48:10,340 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:10,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 10:48:10,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:10,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 10:48:10,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:48:10,341 INFO L87 Difference]: Start difference. First operand 521 states and 594 transitions. Second operand has 8 states, 7 states have (on average 24.142857142857142) internal successors, (169), 8 states have internal predecessors, (169), 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 10:48:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:11,093 INFO L93 Difference]: Finished difference Result 521 states and 594 transitions. [2025-03-04 10:48:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 10:48:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.142857142857142) internal successors, (169), 8 states have internal predecessors, (169), 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 246 [2025-03-04 10:48:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:11,095 INFO L225 Difference]: With dead ends: 521 [2025-03-04 10:48:11,095 INFO L226 Difference]: Without dead ends: 518 [2025-03-04 10:48:11,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2025-03-04 10:48:11,095 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 516 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:11,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 141 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 10:48:11,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-03-04 10:48:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-03-04 10:48:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 423 states have (on average 1.2245862884160756) internal successors, (518), 481 states have internal predecessors, (518), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:48:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 588 transitions. [2025-03-04 10:48:11,109 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 588 transitions. Word has length 246 [2025-03-04 10:48:11,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:11,110 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 588 transitions. [2025-03-04 10:48:11,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.142857142857142) internal successors, (169), 8 states have internal predecessors, (169), 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 10:48:11,110 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 588 transitions. [2025-03-04 10:48:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-03-04 10:48:11,110 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:11,111 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, 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 10:48:11,120 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 10:48:11,311 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,SelfDestructingSolverStorable35 [2025-03-04 10:48:11,311 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:11,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:11,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2137233770, now seen corresponding path program 2 times [2025-03-04 10:48:11,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:11,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578681607] [2025-03-04 10:48:11,312 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:11,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:11,317 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-04 10:48:11,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-04 10:48:11,332 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:11,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:11,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072391967] [2025-03-04 10:48:11,333 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:11,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:11,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:11,334 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 10:48:11,336 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 10:48:11,361 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-04 10:48:11,394 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-04 10:48:11,394 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:11,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:11,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 10:48:11,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:48:11,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:12,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:12,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578681607] [2025-03-04 10:48:12,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:48:12,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072391967] [2025-03-04 10:48:12,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072391967] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:48:12,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:48:12,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-04 10:48:12,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796523953] [2025-03-04 10:48:12,034 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:12,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:48:12,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:12,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:48:12,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-03-04 10:48:12,035 INFO L87 Difference]: Start difference. First operand 518 states and 588 transitions. Second operand has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 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 10:48:12,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:12,632 INFO L93 Difference]: Finished difference Result 527 states and 588 transitions. [2025-03-04 10:48:12,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:48:12,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 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 247 [2025-03-04 10:48:12,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:12,634 INFO L225 Difference]: With dead ends: 527 [2025-03-04 10:48:12,634 INFO L226 Difference]: Without dead ends: 526 [2025-03-04 10:48:12,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 251 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 10:48:12,635 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 116 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:12,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 556 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:48:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2025-03-04 10:48:12,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 518. [2025-03-04 10:48:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 423 states have (on average 1.2222222222222223) internal successors, (517), 481 states have internal predecessors, (517), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:48:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 587 transitions. [2025-03-04 10:48:12,650 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 587 transitions. Word has length 247 [2025-03-04 10:48:12,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:12,650 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 587 transitions. [2025-03-04 10:48:12,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 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 10:48:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 587 transitions. [2025-03-04 10:48:12,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-03-04 10:48:12,651 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:12,651 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, 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 10:48:12,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-04 10:48:12,856 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,SelfDestructingSolverStorable36 [2025-03-04 10:48:12,856 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:12,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:12,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1736173204, now seen corresponding path program 2 times [2025-03-04 10:48:12,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:12,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907408110] [2025-03-04 10:48:12,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:12,863 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-03-04 10:48:12,874 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-03-04 10:48:12,874 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:12,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:12,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742656154] [2025-03-04 10:48:12,875 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:12,877 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 10:48:12,878 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 10:48:12,903 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-03-04 10:48:12,952 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-03-04 10:48:12,953 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:12,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:12,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-04 10:48:12,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:48:13,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:13,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:13,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907408110] [2025-03-04 10:48:13,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:48:13,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742656154] [2025-03-04 10:48:13,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742656154] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:48:13,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:48:13,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-04 10:48:13,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296311599] [2025-03-04 10:48:13,853 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:13,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-04 10:48:13,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:13,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-04 10:48:13,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:48:13,853 INFO L87 Difference]: Start difference. First operand 518 states and 587 transitions. Second operand has 11 states, 10 states have (on average 17.3) internal successors, (173), 11 states have internal predecessors, (173), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-04 10:48:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:14,729 INFO L93 Difference]: Finished difference Result 520 states and 587 transitions. [2025-03-04 10:48:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-04 10:48:14,729 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.3) internal successors, (173), 11 states have internal predecessors, (173), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 250 [2025-03-04 10:48:14,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:14,731 INFO L225 Difference]: With dead ends: 520 [2025-03-04 10:48:14,731 INFO L226 Difference]: Without dead ends: 518 [2025-03-04 10:48:14,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-04 10:48:14,731 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 25 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 2791 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 2792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:14,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 519 Invalid, 2792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2791 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-04 10:48:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-03-04 10:48:14,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-03-04 10:48:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 423 states have (on average 1.2174940898345155) internal successors, (515), 481 states have internal predecessors, (515), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:48:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 585 transitions. [2025-03-04 10:48:14,746 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 585 transitions. Word has length 250 [2025-03-04 10:48:14,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:14,746 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 585 transitions. [2025-03-04 10:48:14,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.3) internal successors, (173), 11 states have internal predecessors, (173), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-04 10:48:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 585 transitions. [2025-03-04 10:48:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-03-04 10:48:14,747 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:14,747 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, 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] [2025-03-04 10:48:14,753 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 10:48:14,947 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,SelfDestructingSolverStorable37 [2025-03-04 10:48:14,947 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:14,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:14,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2013205402, now seen corresponding path program 2 times [2025-03-04 10:48:14,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:14,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970602241] [2025-03-04 10:48:14,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:14,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:14,953 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-03-04 10:48:14,972 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-03-04 10:48:14,972 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:14,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:14,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802122062] [2025-03-04 10:48:14,973 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:14,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:14,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:14,976 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 10:48:14,978 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 10:48:15,005 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-03-04 10:48:15,049 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-03-04 10:48:15,049 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:15,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:15,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-04 10:48:15,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:48:15,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:15,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:15,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970602241] [2025-03-04 10:48:15,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:48:15,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802122062] [2025-03-04 10:48:15,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802122062] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 10:48:15,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-04 10:48:15,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-04 10:48:15,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031123826] [2025-03-04 10:48:15,582 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:15,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 10:48:15,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:15,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 10:48:15,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:48:15,583 INFO L87 Difference]: Start difference. First operand 518 states and 585 transitions. Second operand has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-04 10:48:16,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:16,166 INFO L93 Difference]: Finished difference Result 522 states and 585 transitions. [2025-03-04 10:48:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-04 10:48:16,166 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 251 [2025-03-04 10:48:16,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:16,167 INFO L225 Difference]: With dead ends: 522 [2025-03-04 10:48:16,167 INFO L226 Difference]: Without dead ends: 518 [2025-03-04 10:48:16,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-04 10:48:16,168 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 44 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:16,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 829 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 10:48:16,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-03-04 10:48:16,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-03-04 10:48:16,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 423 states have (on average 1.2080378250591017) internal successors, (511), 481 states have internal predecessors, (511), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:48:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 581 transitions. [2025-03-04 10:48:16,183 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 581 transitions. Word has length 251 [2025-03-04 10:48:16,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:16,184 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 581 transitions. [2025-03-04 10:48:16,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.75) internal successors, (174), 9 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-04 10:48:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 581 transitions. [2025-03-04 10:48:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-03-04 10:48:16,185 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:16,185 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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 10:48:16,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-04 10:48:16,385 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,SelfDestructingSolverStorable38 [2025-03-04 10:48:16,385 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:16,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:16,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2064954143, now seen corresponding path program 1 times [2025-03-04 10:48:16,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:16,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433167867] [2025-03-04 10:48:16,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:48:16,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:16,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-03-04 10:48:16,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-03-04 10:48:16,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:48:16,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:16,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919147299] [2025-03-04 10:48:16,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 10:48:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:16,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:16,407 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 10:48:16,409 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 10:48:16,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-03-04 10:48:16,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-03-04 10:48:16,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 10:48:16,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:16,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-04 10:48:16,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:48:16,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-04 10:48:16,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:16,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433167867] [2025-03-04 10:48:16,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:48:16,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919147299] [2025-03-04 10:48:16,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919147299] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:48:16,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:48:16,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-04 10:48:16,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026357193] [2025-03-04 10:48:16,862 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:16,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-04 10:48:16,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:16,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-04 10:48:16,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-04 10:48:16,863 INFO L87 Difference]: Start difference. First operand 518 states and 581 transitions. Second operand has 10 states, 9 states have (on average 40.0) internal successors, (360), 10 states have internal predecessors, (360), 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 10:48:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:17,135 INFO L93 Difference]: Finished difference Result 669 states and 714 transitions. [2025-03-04 10:48:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 10:48:17,135 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.0) internal successors, (360), 10 states have internal predecessors, (360), 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 259 [2025-03-04 10:48:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:17,137 INFO L225 Difference]: With dead ends: 669 [2025-03-04 10:48:17,137 INFO L226 Difference]: Without dead ends: 667 [2025-03-04 10:48:17,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 508 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 10:48:17,138 INFO L435 NwaCegarLoop]: 358 mSDtfsCounter, 906 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:17,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 1520 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 10:48:17,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2025-03-04 10:48:17,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 517. [2025-03-04 10:48:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 423 states have (on average 1.198581560283688) internal successors, (507), 480 states have internal predecessors, (507), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-04 10:48:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 577 transitions. [2025-03-04 10:48:17,156 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 577 transitions. Word has length 259 [2025-03-04 10:48:17,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:17,156 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 577 transitions. [2025-03-04 10:48:17,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.0) internal successors, (360), 10 states have internal predecessors, (360), 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 10:48:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 577 transitions. [2025-03-04 10:48:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2025-03-04 10:48:17,157 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:17,158 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, 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 10:48:17,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-04 10:48:17,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-04 10:48:17,358 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:17,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash -479047704, now seen corresponding path program 2 times [2025-03-04 10:48:17,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:17,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991364837] [2025-03-04 10:48:17,359 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:17,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:17,365 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 269 statements into 2 equivalence classes. [2025-03-04 10:48:17,378 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 269 of 269 statements. [2025-03-04 10:48:17,378 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:17,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:17,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740570889] [2025-03-04 10:48:17,379 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-04 10:48:17,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:17,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:17,383 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 10:48:17,384 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 10:48:17,410 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 269 statements into 2 equivalence classes. [2025-03-04 10:48:17,443 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 269 of 269 statements. [2025-03-04 10:48:17,444 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-04 10:48:17,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:17,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-04 10:48:17,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 10:48:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:48:18,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 10:48:18,640 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-04 10:48:18,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 10:48:18,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991364837] [2025-03-04 10:48:18,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-04 10:48:18,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740570889] [2025-03-04 10:48:18,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740570889] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 10:48:18,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 10:48:18,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-03-04 10:48:18,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245955245] [2025-03-04 10:48:18,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 10:48:18,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-04 10:48:18,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 10:48:18,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-04 10:48:18,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2025-03-04 10:48:18,641 INFO L87 Difference]: Start difference. First operand 517 states and 577 transitions. Second operand has 20 states, 19 states have (on average 19.473684210526315) internal successors, (370), 20 states have internal predecessors, (370), 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 10:48:20,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 10:48:20,849 INFO L93 Difference]: Finished difference Result 663 states and 785 transitions. [2025-03-04 10:48:20,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-04 10:48:20,849 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 19.473684210526315) internal successors, (370), 20 states have internal predecessors, (370), 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 269 [2025-03-04 10:48:20,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 10:48:20,851 INFO L225 Difference]: With dead ends: 663 [2025-03-04 10:48:20,851 INFO L226 Difference]: Without dead ends: 623 [2025-03-04 10:48:20,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 518 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 10:48:20,852 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 848 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 2925 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 3010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-04 10:48:20,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 390 Invalid, 3010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2925 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-04 10:48:20,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2025-03-04 10:48:20,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 532. [2025-03-04 10:48:20,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 436 states have (on average 1.2270642201834863) internal successors, (535), 493 states have internal predecessors, (535), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-04 10:48:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 609 transitions. [2025-03-04 10:48:20,869 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 609 transitions. Word has length 269 [2025-03-04 10:48:20,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 10:48:20,869 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 609 transitions. [2025-03-04 10:48:20,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 19.473684210526315) internal successors, (370), 20 states have internal predecessors, (370), 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 10:48:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 609 transitions. [2025-03-04 10:48:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-03-04 10:48:20,870 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 10:48:20,870 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 10:48:20,876 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 10:48:21,070 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,SelfDestructingSolverStorable40 [2025-03-04 10:48:21,071 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-04 10:48:21,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 10:48:21,071 INFO L85 PathProgramCache]: Analyzing trace with hash -768806851, now seen corresponding path program 3 times [2025-03-04 10:48:21,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 10:48:21,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631486571] [2025-03-04 10:48:21,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:48:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 10:48:21,078 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 277 statements into 8 equivalence classes. [2025-03-04 10:48:21,101 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 277 of 277 statements. [2025-03-04 10:48:21,103 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-04 10:48:21,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-04 10:48:21,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378342148] [2025-03-04 10:48:21,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-04 10:48:21,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 10:48:21,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 10:48:21,108 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 10:48:21,109 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 10:48:21,138 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 277 statements into 8 equivalence classes. [2025-03-04 10:48:21,170 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 90 of 277 statements. [2025-03-04 10:48:21,171 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-04 10:48:21,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 10:48:21,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-04 10:48:21,174 INFO L279 TraceCheckSpWp]: Computing forward predicates...