./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/rev-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 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/array-multidimensional/rev-3-u.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 fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:39:57,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:39:57,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:39:57,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:39:57,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:39:57,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:39:57,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:39:57,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:39:57,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:39:57,153 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:39:57,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:39:57,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:39:57,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:39:57,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:39:57,154 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:39:57,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:39:57,155 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:39:57,156 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:39:57,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:39:57,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:39:57,156 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 -> fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 [2025-03-17 14:39:57,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:39:57,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:39:57,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:39:57,378 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:39:57,378 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:39:57,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/rev-3-u.c [2025-03-17 14:39:58,549 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd897149e/2a253c45332f422b9b4034b25b2fe0b6/FLAG5d5d3e287 [2025-03-17 14:39:58,760 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:39:58,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2025-03-17 14:39:58,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd897149e/2a253c45332f422b9b4034b25b2fe0b6/FLAG5d5d3e287 [2025-03-17 14:39:59,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd897149e/2a253c45332f422b9b4034b25b2fe0b6 [2025-03-17 14:39:59,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:39:59,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:39:59,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:39:59,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:39:59,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:39:59,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6735778b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59, skipping insertion in model container [2025-03-17 14:39:59,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:39:59,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:39:59,252 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:39:59,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:39:59,278 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:39:59,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59 WrapperNode [2025-03-17 14:39:59,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:39:59,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:39:59,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:39:59,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:39:59,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,304 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 122 [2025-03-17 14:39:59,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:39:59,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:39:59,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:39:59,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:39:59,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,312 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,320 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-03-17 14:39:59,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:39:59,328 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:39:59,328 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:39:59,328 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:39:59,329 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (1/1) ... [2025-03-17 14:39:59,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:39:59,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:39:59,352 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) [2025-03-17 14:39:59,353 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 [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 14:39:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:39:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:39:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 14:39:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 14:39:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 14:39:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 14:39:59,418 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:39:59,420 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:39:59,686 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset; [2025-03-17 14:39:59,700 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-03-17 14:39:59,701 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:39:59,714 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:39:59,714 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:39:59,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:39:59 BoogieIcfgContainer [2025-03-17 14:39:59,715 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:39:59,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:39:59,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:39:59,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:39:59,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:39:59" (1/3) ... [2025-03-17 14:39:59,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e372e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:39:59, skipping insertion in model container [2025-03-17 14:39:59,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:39:59" (2/3) ... [2025-03-17 14:39:59,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e372e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:39:59, skipping insertion in model container [2025-03-17 14:39:59,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:39:59" (3/3) ... [2025-03-17 14:39:59,723 INFO L128 eAbstractionObserver]: Analyzing ICFG rev-3-u.c [2025-03-17 14:39:59,732 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:39:59,733 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rev-3-u.c that has 1 procedures, 99 locations, 1 initial locations, 9 loop locations, and 42 error locations. [2025-03-17 14:39:59,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:39:59,776 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;@6463eeb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:39:59,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-03-17 14:39:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 56 states have (on average 1.9285714285714286) internal successors, (108), 98 states have internal predecessors, (108), 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) [2025-03-17 14:39:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 14:39:59,784 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:39:59,784 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 14:39:59,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:39:59,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:39:59,789 INFO L85 PathProgramCache]: Analyzing trace with hash 4247156, now seen corresponding path program 1 times [2025-03-17 14:39:59,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:39:59,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424466510] [2025-03-17 14:39:59,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:39:59,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:39:59,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 14:39:59,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 14:39:59,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:39:59,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:39:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:39:59,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:39:59,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424466510] [2025-03-17 14:39:59,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424466510] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:39:59,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:39:59,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:39:59,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931867314] [2025-03-17 14:39:59,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:39:59,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:39:59,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:39:59,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:39:59,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:39:59,985 INFO L87 Difference]: Start difference. First operand has 99 states, 56 states have (on average 1.9285714285714286) internal successors, (108), 98 states have internal predecessors, (108), 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:40:00,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:00,180 INFO L93 Difference]: Finished difference Result 247 states and 302 transitions. [2025-03-17 14:40:00,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:40:00,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-17 14:40:00,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:00,187 INFO L225 Difference]: With dead ends: 247 [2025-03-17 14:40:00,187 INFO L226 Difference]: Without dead ends: 146 [2025-03-17 14:40:00,190 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 [2025-03-17 14:40:00,192 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 181 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:00,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 62 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 14:40:00,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-03-17 14:40:00,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 140. [2025-03-17 14:40:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.8061224489795917) internal successors, (177), 139 states have internal predecessors, (177), 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) [2025-03-17 14:40:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 177 transitions. [2025-03-17 14:40:00,223 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 177 transitions. Word has length 4 [2025-03-17 14:40:00,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:00,224 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 177 transitions. [2025-03-17 14:40:00,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:40:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2025-03-17 14:40:00,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 14:40:00,224 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:00,224 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 14:40:00,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:40:00,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:00,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:00,225 INFO L85 PathProgramCache]: Analyzing trace with hash 131661256, now seen corresponding path program 1 times [2025-03-17 14:40:00,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:00,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182452704] [2025-03-17 14:40:00,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:00,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:00,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 14:40:00,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 14:40:00,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:00,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:00,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:00,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182452704] [2025-03-17 14:40:00,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182452704] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:00,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:00,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:40:00,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943222971] [2025-03-17 14:40:00,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:00,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:40:00,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:00,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:40:00,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:40:00,284 INFO L87 Difference]: Start difference. First operand 140 states and 177 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-03-17 14:40:00,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:00,360 INFO L93 Difference]: Finished difference Result 232 states and 309 transitions. [2025-03-17 14:40:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:40:00,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2025-03-17 14:40:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:00,363 INFO L225 Difference]: With dead ends: 232 [2025-03-17 14:40:00,365 INFO L226 Difference]: Without dead ends: 226 [2025-03-17 14:40:00,365 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 [2025-03-17 14:40:00,365 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 47 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:00,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 143 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:00,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2025-03-17 14:40:00,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 210. [2025-03-17 14:40:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 168 states have (on average 1.7678571428571428) internal successors, (297), 209 states have internal predecessors, (297), 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) [2025-03-17 14:40:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 297 transitions. [2025-03-17 14:40:00,384 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 297 transitions. Word has length 5 [2025-03-17 14:40:00,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:00,384 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 297 transitions. [2025-03-17 14:40:00,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-03-17 14:40:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2025-03-17 14:40:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 14:40:00,385 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:00,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 14:40:00,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 14:40:00,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:00,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash -229660692, now seen corresponding path program 1 times [2025-03-17 14:40:00,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:00,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341935904] [2025-03-17 14:40:00,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:00,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 14:40:00,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 14:40:00,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:00,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:00,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:00,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341935904] [2025-03-17 14:40:00,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341935904] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:00,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:00,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:40:00,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18871596] [2025-03-17 14:40:00,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:00,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:40:00,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:00,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:40:00,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:40:00,438 INFO L87 Difference]: Start difference. First operand 210 states and 297 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:40:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:00,533 INFO L93 Difference]: Finished difference Result 417 states and 593 transitions. [2025-03-17 14:40:00,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:40:00,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 14:40:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:00,535 INFO L225 Difference]: With dead ends: 417 [2025-03-17 14:40:00,535 INFO L226 Difference]: Without dead ends: 235 [2025-03-17 14:40:00,535 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 [2025-03-17 14:40:00,536 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 14 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:00,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 121 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2025-03-17 14:40:00,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 211. [2025-03-17 14:40:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 169 states have (on average 1.7633136094674555) internal successors, (298), 210 states have internal predecessors, (298), 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) [2025-03-17 14:40:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 298 transitions. [2025-03-17 14:40:00,553 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 298 transitions. Word has length 6 [2025-03-17 14:40:00,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:00,553 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 298 transitions. [2025-03-17 14:40:00,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:40:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 298 transitions. [2025-03-17 14:40:00,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 14:40:00,553 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:00,557 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:00,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 14:40:00,557 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:00,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:00,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1015404891, now seen corresponding path program 1 times [2025-03-17 14:40:00,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:00,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190327495] [2025-03-17 14:40:00,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:00,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:00,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 14:40:00,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 14:40:00,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:00,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:00,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:00,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190327495] [2025-03-17 14:40:00,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190327495] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:00,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141109889] [2025-03-17 14:40:00,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:00,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:00,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:00,632 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) [2025-03-17 14:40:00,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 14:40:00,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 14:40:00,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 14:40:00,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:00,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:00,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:40:00,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:00,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:40:00,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141109889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:00,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 14:40:00,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 14:40:00,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433439643] [2025-03-17 14:40:00,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:00,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:40:00,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:00,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:40:00,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:40:00,722 INFO L87 Difference]: Start difference. First operand 211 states and 298 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-17 14:40:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:00,809 INFO L93 Difference]: Finished difference Result 227 states and 298 transitions. [2025-03-17 14:40:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:40:00,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-03-17 14:40:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:00,810 INFO L225 Difference]: With dead ends: 227 [2025-03-17 14:40:00,810 INFO L226 Difference]: Without dead ends: 224 [2025-03-17 14:40:00,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:40:00,812 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 93 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:00,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 171 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-03-17 14:40:00,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 208. [2025-03-17 14:40:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 169 states have (on average 1.727810650887574) internal successors, (292), 207 states have internal predecessors, (292), 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) [2025-03-17 14:40:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 292 transitions. [2025-03-17 14:40:00,830 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 292 transitions. Word has length 8 [2025-03-17 14:40:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:00,830 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 292 transitions. [2025-03-17 14:40:00,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-17 14:40:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 292 transitions. [2025-03-17 14:40:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-17 14:40:00,830 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:00,830 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:00,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 14:40:01,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:01,031 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:01,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:01,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1016205489, now seen corresponding path program 1 times [2025-03-17 14:40:01,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:01,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024945020] [2025-03-17 14:40:01,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:01,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:01,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-17 14:40:01,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-17 14:40:01,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:01,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:01,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:01,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024945020] [2025-03-17 14:40:01,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024945020] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:01,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:01,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:40:01,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909962835] [2025-03-17 14:40:01,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:01,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:40:01,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:01,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:40:01,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:40:01,087 INFO L87 Difference]: Start difference. First operand 208 states and 292 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-17 14:40:01,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:01,234 INFO L93 Difference]: Finished difference Result 414 states and 582 transitions. [2025-03-17 14:40:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:40:01,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2025-03-17 14:40:01,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:01,236 INFO L225 Difference]: With dead ends: 414 [2025-03-17 14:40:01,237 INFO L226 Difference]: Without dead ends: 208 [2025-03-17 14:40:01,238 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 [2025-03-17 14:40:01,238 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 107 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:01,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 56 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:01,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-03-17 14:40:01,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2025-03-17 14:40:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 169 states have (on average 1.6449704142011834) internal successors, (278), 207 states have internal predecessors, (278), 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) [2025-03-17 14:40:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 278 transitions. [2025-03-17 14:40:01,251 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 278 transitions. Word has length 8 [2025-03-17 14:40:01,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:01,252 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 278 transitions. [2025-03-17 14:40:01,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-03-17 14:40:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 278 transitions. [2025-03-17 14:40:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 14:40:01,252 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:01,252 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2025-03-17 14:40:01,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 14:40:01,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:01,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1412780618, now seen corresponding path program 1 times [2025-03-17 14:40:01,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:01,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19696058] [2025-03-17 14:40:01,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:01,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 14:40:01,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 14:40:01,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:01,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:01,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:01,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19696058] [2025-03-17 14:40:01,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19696058] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:01,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134966009] [2025-03-17 14:40:01,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:01,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:01,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:01,298 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) [2025-03-17 14:40:01,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 14:40:01,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 14:40:01,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 14:40:01,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:01,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:01,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:40:01,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:01,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:40:01,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134966009] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:01,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:01,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 14:40:01,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669119550] [2025-03-17 14:40:01,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:01,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 14:40:01,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:01,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 14:40:01,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 14:40:01,382 INFO L87 Difference]: Start difference. First operand 208 states and 278 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2025-03-17 14:40:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:01,517 INFO L93 Difference]: Finished difference Result 485 states and 656 transitions. [2025-03-17 14:40:01,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:40:01,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 9 [2025-03-17 14:40:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:01,519 INFO L225 Difference]: With dead ends: 485 [2025-03-17 14:40:01,519 INFO L226 Difference]: Without dead ends: 482 [2025-03-17 14:40:01,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 14:40:01,520 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 322 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:01,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 309 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:01,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-03-17 14:40:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 418. [2025-03-17 14:40:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 379 states have (on average 1.683377308707124) internal successors, (638), 417 states have internal predecessors, (638), 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) [2025-03-17 14:40:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 638 transitions. [2025-03-17 14:40:01,538 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 638 transitions. Word has length 9 [2025-03-17 14:40:01,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:01,538 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 638 transitions. [2025-03-17 14:40:01,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2025-03-17 14:40:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 638 transitions. [2025-03-17 14:40:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 14:40:01,538 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:01,539 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:01,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 14:40:01,742 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 [2025-03-17 14:40:01,742 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:01,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:01,743 INFO L85 PathProgramCache]: Analyzing trace with hash 473311294, now seen corresponding path program 1 times [2025-03-17 14:40:01,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:01,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977092988] [2025-03-17 14:40:01,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:01,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:01,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:40:01,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:40:01,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:01,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 14:40:01,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:01,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977092988] [2025-03-17 14:40:01,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977092988] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:01,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:01,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:40:01,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761971801] [2025-03-17 14:40:01,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:01,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:40:01,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:01,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:40:01,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:40:01,770 INFO L87 Difference]: Start difference. First operand 418 states and 638 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2025-03-17 14:40:01,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:01,830 INFO L93 Difference]: Finished difference Result 418 states and 638 transitions. [2025-03-17 14:40:01,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:40:01,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2025-03-17 14:40:01,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:01,832 INFO L225 Difference]: With dead ends: 418 [2025-03-17 14:40:01,832 INFO L226 Difference]: Without dead ends: 415 [2025-03-17 14:40:01,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:40:01,833 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 72 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:01,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 64 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:40:01,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-03-17 14:40:01,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2025-03-17 14:40:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 379 states have (on average 1.675461741424802) internal successors, (635), 414 states have internal predecessors, (635), 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) [2025-03-17 14:40:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 635 transitions. [2025-03-17 14:40:01,844 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 635 transitions. Word has length 11 [2025-03-17 14:40:01,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:01,844 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 635 transitions. [2025-03-17 14:40:01,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2025-03-17 14:40:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 635 transitions. [2025-03-17 14:40:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 14:40:01,844 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:01,844 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:01,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 14:40:01,845 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:01,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:01,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1787748287, now seen corresponding path program 1 times [2025-03-17 14:40:01,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:01,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882364758] [2025-03-17 14:40:01,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:01,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:01,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 14:40:01,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 14:40:01,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:01,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 14:40:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882364758] [2025-03-17 14:40:01,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882364758] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:01,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:01,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:40:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091852667] [2025-03-17 14:40:01,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:01,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:40:01,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:01,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:40:01,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:40:01,897 INFO L87 Difference]: Start difference. First operand 415 states and 635 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2025-03-17 14:40:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:01,963 INFO L93 Difference]: Finished difference Result 819 states and 1266 transitions. [2025-03-17 14:40:01,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:40:01,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2025-03-17 14:40:01,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:01,966 INFO L225 Difference]: With dead ends: 819 [2025-03-17 14:40:01,966 INFO L226 Difference]: Without dead ends: 816 [2025-03-17 14:40:01,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:40:01,967 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 71 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:01,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 131 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:40:01,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2025-03-17 14:40:01,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 791. [2025-03-17 14:40:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 755 states have (on average 1.6728476821192053) internal successors, (1263), 790 states have internal predecessors, (1263), 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) [2025-03-17 14:40:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1263 transitions. [2025-03-17 14:40:01,991 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1263 transitions. Word has length 12 [2025-03-17 14:40:01,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:01,991 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1263 transitions. [2025-03-17 14:40:01,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2025-03-17 14:40:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1263 transitions. [2025-03-17 14:40:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-03-17 14:40:01,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:01,992 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-17 14:40:01,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 14:40:01,992 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:01,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:01,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1195720256, now seen corresponding path program 1 times [2025-03-17 14:40:01,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:01,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208122731] [2025-03-17 14:40:01,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:01,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:01,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 14:40:02,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 14:40:02,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:02,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 14:40:02,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:02,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208122731] [2025-03-17 14:40:02,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208122731] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:02,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194723132] [2025-03-17 14:40:02,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:02,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:02,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:02,048 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) [2025-03-17 14:40:02,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 14:40:02,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-17 14:40:02,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-17 14:40:02,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:02,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:02,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 14:40:02,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 14:40:02,128 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 14:40:02,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194723132] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:02,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:02,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 10 [2025-03-17 14:40:02,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980793635] [2025-03-17 14:40:02,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:02,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 14:40:02,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:02,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 14:40:02,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-17 14:40:02,162 INFO L87 Difference]: Start difference. First operand 791 states and 1263 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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) [2025-03-17 14:40:02,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:02,735 INFO L93 Difference]: Finished difference Result 1572 states and 2503 transitions. [2025-03-17 14:40:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 14:40:02,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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 15 [2025-03-17 14:40:02,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:02,739 INFO L225 Difference]: With dead ends: 1572 [2025-03-17 14:40:02,739 INFO L226 Difference]: Without dead ends: 799 [2025-03-17 14:40:02,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2025-03-17 14:40:02,741 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1130 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:02,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 68 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 14:40:02,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2025-03-17 14:40:02,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 784. [2025-03-17 14:40:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 755 states have (on average 1.5324503311258277) internal successors, (1157), 783 states have internal predecessors, (1157), 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) [2025-03-17 14:40:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1157 transitions. [2025-03-17 14:40:02,763 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1157 transitions. Word has length 15 [2025-03-17 14:40:02,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:02,763 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1157 transitions. [2025-03-17 14:40:02,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 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) [2025-03-17 14:40:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1157 transitions. [2025-03-17 14:40:02,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 14:40:02,764 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:02,764 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1] [2025-03-17 14:40:02,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 14:40:02,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:02,965 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:02,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:02,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1803455171, now seen corresponding path program 2 times [2025-03-17 14:40:02,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:02,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651426502] [2025-03-17 14:40:02,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:40:02,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:02,974 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-03-17 14:40:02,979 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-03-17 14:40:02,980 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:40:02,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 14:40:03,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:03,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651426502] [2025-03-17 14:40:03,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651426502] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:03,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581973646] [2025-03-17 14:40:03,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:40:03,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:03,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:03,003 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) [2025-03-17 14:40:03,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 14:40:03,033 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-03-17 14:40:03,040 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-03-17 14:40:03,040 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:40:03,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:03,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:40:03,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 14:40:03,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 14:40:03,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581973646] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:03,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:03,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-03-17 14:40:03,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227156980] [2025-03-17 14:40:03,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:03,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:40:03,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:03,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:40:03,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:40:03,092 INFO L87 Difference]: Start difference. First operand 784 states and 1157 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2025-03-17 14:40:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:03,190 INFO L93 Difference]: Finished difference Result 784 states and 1157 transitions. [2025-03-17 14:40:03,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:40:03,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18 [2025-03-17 14:40:03,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:03,193 INFO L225 Difference]: With dead ends: 784 [2025-03-17 14:40:03,193 INFO L226 Difference]: Without dead ends: 781 [2025-03-17 14:40:03,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:40:03,194 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 110 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:03,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 59 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:03,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2025-03-17 14:40:03,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 653. [2025-03-17 14:40:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 627 states have (on average 1.507177033492823) internal successors, (945), 652 states have internal predecessors, (945), 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) [2025-03-17 14:40:03,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 945 transitions. [2025-03-17 14:40:03,210 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 945 transitions. Word has length 18 [2025-03-17 14:40:03,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:03,211 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 945 transitions. [2025-03-17 14:40:03,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2025-03-17 14:40:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 945 transitions. [2025-03-17 14:40:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 14:40:03,212 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:03,212 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:03,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 14:40:03,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:03,416 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:03,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:03,417 INFO L85 PathProgramCache]: Analyzing trace with hash -667234164, now seen corresponding path program 1 times [2025-03-17 14:40:03,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:03,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978498770] [2025-03-17 14:40:03,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:03,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:03,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 14:40:03,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 14:40:03,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:03,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 14:40:03,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:03,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978498770] [2025-03-17 14:40:03,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978498770] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:03,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:03,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:40:03,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501639208] [2025-03-17 14:40:03,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:03,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:40:03,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:03,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:40:03,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:40:03,449 INFO L87 Difference]: Start difference. First operand 653 states and 945 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2025-03-17 14:40:03,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:03,521 INFO L93 Difference]: Finished difference Result 653 states and 945 transitions. [2025-03-17 14:40:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:40:03,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 26 [2025-03-17 14:40:03,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:03,524 INFO L225 Difference]: With dead ends: 653 [2025-03-17 14:40:03,524 INFO L226 Difference]: Without dead ends: 649 [2025-03-17 14:40:03,524 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 [2025-03-17 14:40:03,524 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:03,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 22 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:03,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2025-03-17 14:40:03,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2025-03-17 14:40:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.405103668261563) internal successors, (881), 648 states have internal predecessors, (881), 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) [2025-03-17 14:40:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 881 transitions. [2025-03-17 14:40:03,540 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 881 transitions. Word has length 26 [2025-03-17 14:40:03,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:03,540 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 881 transitions. [2025-03-17 14:40:03,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2025-03-17 14:40:03,540 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 881 transitions. [2025-03-17 14:40:03,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 14:40:03,542 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:03,542 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:03,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 14:40:03,542 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:03,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:03,542 INFO L85 PathProgramCache]: Analyzing trace with hash 790577447, now seen corresponding path program 1 times [2025-03-17 14:40:03,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:03,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552491865] [2025-03-17 14:40:03,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:03,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:03,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 14:40:03,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 14:40:03,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:03,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 14:40:03,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:03,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552491865] [2025-03-17 14:40:03,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552491865] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:03,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:03,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:40:03,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392596120] [2025-03-17 14:40:03,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:03,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:40:03,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:03,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:40:03,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:40:03,602 INFO L87 Difference]: Start difference. First operand 649 states and 881 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2025-03-17 14:40:03,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:03,712 INFO L93 Difference]: Finished difference Result 656 states and 881 transitions. [2025-03-17 14:40:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:40:03,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 27 [2025-03-17 14:40:03,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:03,714 INFO L225 Difference]: With dead ends: 656 [2025-03-17 14:40:03,714 INFO L226 Difference]: Without dead ends: 652 [2025-03-17 14:40:03,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:40:03,715 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 158 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:03,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 38 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:03,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2025-03-17 14:40:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 649. [2025-03-17 14:40:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.354066985645933) internal successors, (849), 648 states have internal predecessors, (849), 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) [2025-03-17 14:40:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 849 transitions. [2025-03-17 14:40:03,732 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 849 transitions. Word has length 27 [2025-03-17 14:40:03,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:03,733 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 849 transitions. [2025-03-17 14:40:03,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2025-03-17 14:40:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 849 transitions. [2025-03-17 14:40:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 14:40:03,734 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:03,734 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:03,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 14:40:03,735 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:03,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:03,735 INFO L85 PathProgramCache]: Analyzing trace with hash 500388323, now seen corresponding path program 1 times [2025-03-17 14:40:03,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:03,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012432950] [2025-03-17 14:40:03,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:03,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:03,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 14:40:03,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 14:40:03,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:03,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 14:40:03,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:03,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012432950] [2025-03-17 14:40:03,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012432950] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:03,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:03,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:40:03,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110485728] [2025-03-17 14:40:03,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:03,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:40:03,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:03,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:40:03,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:40:03,794 INFO L87 Difference]: Start difference. First operand 649 states and 849 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-03-17 14:40:03,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:03,901 INFO L93 Difference]: Finished difference Result 653 states and 849 transitions. [2025-03-17 14:40:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:40:03,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 31 [2025-03-17 14:40:03,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:03,903 INFO L225 Difference]: With dead ends: 653 [2025-03-17 14:40:03,903 INFO L226 Difference]: Without dead ends: 649 [2025-03-17 14:40:03,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:40:03,903 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 92 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:03,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 38 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:03,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2025-03-17 14:40:03,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2025-03-17 14:40:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.303030303030303) internal successors, (817), 648 states have internal predecessors, (817), 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) [2025-03-17 14:40:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 817 transitions. [2025-03-17 14:40:03,918 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 817 transitions. Word has length 31 [2025-03-17 14:40:03,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:03,918 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 817 transitions. [2025-03-17 14:40:03,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-03-17 14:40:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 817 transitions. [2025-03-17 14:40:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 14:40:03,919 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:03,919 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 14:40:03,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 14:40:03,919 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:03,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:03,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1748056645, now seen corresponding path program 1 times [2025-03-17 14:40:03,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:03,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681803161] [2025-03-17 14:40:03,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:03,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:03,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 14:40:03,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 14:40:03,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:03,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-03-17 14:40:03,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:03,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681803161] [2025-03-17 14:40:03,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681803161] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:03,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111298009] [2025-03-17 14:40:03,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:03,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:03,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:03,987 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) [2025-03-17 14:40:03,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 14:40:04,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 14:40:04,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 14:40:04,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:04,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:04,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 14:40:04,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 14:40:04,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 14:40:04,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111298009] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:04,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:04,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 16 [2025-03-17 14:40:04,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879056218] [2025-03-17 14:40:04,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:04,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 14:40:04,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:04,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 14:40:04,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2025-03-17 14:40:04,200 INFO L87 Difference]: Start difference. First operand 649 states and 817 transitions. Second operand has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 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) [2025-03-17 14:40:05,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:05,173 INFO L93 Difference]: Finished difference Result 2862 states and 3827 transitions. [2025-03-17 14:40:05,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-17 14:40:05,173 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 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 34 [2025-03-17 14:40:05,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:05,180 INFO L225 Difference]: With dead ends: 2862 [2025-03-17 14:40:05,180 INFO L226 Difference]: Without dead ends: 2229 [2025-03-17 14:40:05,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2025-03-17 14:40:05,182 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 3469 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:05,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3469 Valid, 119 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 14:40:05,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2229 states. [2025-03-17 14:40:05,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2229 to 2213. [2025-03-17 14:40:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2191 states have (on average 1.2902784116841626) internal successors, (2827), 2212 states have internal predecessors, (2827), 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) [2025-03-17 14:40:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2827 transitions. [2025-03-17 14:40:05,234 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2827 transitions. Word has length 34 [2025-03-17 14:40:05,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:05,234 INFO L471 AbstractCegarLoop]: Abstraction has 2213 states and 2827 transitions. [2025-03-17 14:40:05,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 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) [2025-03-17 14:40:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2827 transitions. [2025-03-17 14:40:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-17 14:40:05,235 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:05,235 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:40:05,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 14:40:05,436 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,SelfDestructingSolverStorable13 [2025-03-17 14:40:05,436 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:05,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:05,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1570644222, now seen corresponding path program 1 times [2025-03-17 14:40:05,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:05,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066315282] [2025-03-17 14:40:05,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:05,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:05,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-17 14:40:05,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-17 14:40:05,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:05,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2025-03-17 14:40:05,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:05,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066315282] [2025-03-17 14:40:05,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066315282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:40:05,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:40:05,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 14:40:05,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363650533] [2025-03-17 14:40:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:40:05,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 14:40:05,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:05,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 14:40:05,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:40:05,576 INFO L87 Difference]: Start difference. First operand 2213 states and 2827 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-17 14:40:05,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:05,695 INFO L93 Difference]: Finished difference Result 2217 states and 2827 transitions. [2025-03-17 14:40:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 14:40:05,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 87 [2025-03-17 14:40:05,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:05,701 INFO L225 Difference]: With dead ends: 2217 [2025-03-17 14:40:05,701 INFO L226 Difference]: Without dead ends: 2213 [2025-03-17 14:40:05,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 14:40:05,702 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 76 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:05,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 41 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2025-03-17 14:40:05,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2025-03-17 14:40:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2191 states have (on average 1.2793245093564583) internal successors, (2803), 2212 states have internal predecessors, (2803), 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) [2025-03-17 14:40:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2803 transitions. [2025-03-17 14:40:05,784 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2803 transitions. Word has length 87 [2025-03-17 14:40:05,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:05,784 INFO L471 AbstractCegarLoop]: Abstraction has 2213 states and 2803 transitions. [2025-03-17 14:40:05,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-03-17 14:40:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2803 transitions. [2025-03-17 14:40:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 14:40:05,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:05,786 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 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] [2025-03-17 14:40:05,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 14:40:05,786 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:05,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:05,786 INFO L85 PathProgramCache]: Analyzing trace with hash -936185969, now seen corresponding path program 1 times [2025-03-17 14:40:05,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:05,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645134295] [2025-03-17 14:40:05,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:05,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:05,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 14:40:05,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 14:40:05,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:05,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-03-17 14:40:06,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:06,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645134295] [2025-03-17 14:40:06,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645134295] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:06,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978255385] [2025-03-17 14:40:06,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:06,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:06,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:06,122 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) [2025-03-17 14:40:06,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 14:40:06,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 14:40:06,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 14:40:06,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:06,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:06,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 14:40:06,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-03-17 14:40:06,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 145 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-03-17 14:40:06,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978255385] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:06,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:06,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2025-03-17 14:40:06,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936524727] [2025-03-17 14:40:06,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:06,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-03-17 14:40:06,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:06,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-03-17 14:40:06,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2025-03-17 14:40:06,616 INFO L87 Difference]: Start difference. First operand 2213 states and 2803 transitions. Second operand has 37 states, 37 states have (on average 3.4864864864864864) internal successors, (129), 36 states have internal predecessors, (129), 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) [2025-03-17 14:40:07,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:07,853 INFO L93 Difference]: Finished difference Result 6912 states and 9027 transitions. [2025-03-17 14:40:07,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-17 14:40:07,857 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.4864864864864864) internal successors, (129), 36 states have internal predecessors, (129), 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 102 [2025-03-17 14:40:07,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:07,892 INFO L225 Difference]: With dead ends: 6912 [2025-03-17 14:40:07,892 INFO L226 Difference]: Without dead ends: 4733 [2025-03-17 14:40:07,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2025-03-17 14:40:07,896 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 1987 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:07,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 223 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 14:40:07,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4733 states. [2025-03-17 14:40:07,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4733 to 4733. [2025-03-17 14:40:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4733 states, 4711 states have (on average 1.2827425175122056) internal successors, (6043), 4732 states have internal predecessors, (6043), 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) [2025-03-17 14:40:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4733 states to 4733 states and 6043 transitions. [2025-03-17 14:40:07,976 INFO L78 Accepts]: Start accepts. Automaton has 4733 states and 6043 transitions. Word has length 102 [2025-03-17 14:40:07,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:07,976 INFO L471 AbstractCegarLoop]: Abstraction has 4733 states and 6043 transitions. [2025-03-17 14:40:07,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.4864864864864864) internal successors, (129), 36 states have internal predecessors, (129), 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) [2025-03-17 14:40:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4733 states and 6043 transitions. [2025-03-17 14:40:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-03-17 14:40:07,977 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:07,977 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 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] [2025-03-17 14:40:07,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 14:40:08,178 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 [2025-03-17 14:40:08,178 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:08,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash 526184335, now seen corresponding path program 2 times [2025-03-17 14:40:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:08,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527845546] [2025-03-17 14:40:08,179 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:40:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:08,201 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 174 statements into 2 equivalence classes. [2025-03-17 14:40:08,225 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 14:40:08,225 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:40:08,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2943 trivial. 0 not checked. [2025-03-17 14:40:08,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:08,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527845546] [2025-03-17 14:40:08,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527845546] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:08,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029278010] [2025-03-17 14:40:08,387 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:40:08,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:08,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:08,390 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) [2025-03-17 14:40:08,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 14:40:08,460 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 174 statements into 2 equivalence classes. [2025-03-17 14:40:08,520 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 174 of 174 statements. [2025-03-17 14:40:08,521 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:40:08,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:08,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-17 14:40:08,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 1500 proven. 715 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2025-03-17 14:40:09,036 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2944 backedges. 1500 proven. 715 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2025-03-17 14:40:09,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029278010] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:09,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:09,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 25, 25] total 51 [2025-03-17 14:40:09,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132779610] [2025-03-17 14:40:09,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:09,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-03-17 14:40:09,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:09,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-03-17 14:40:09,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2025-03-17 14:40:09,596 INFO L87 Difference]: Start difference. First operand 4733 states and 6043 transitions. Second operand has 52 states, 52 states have (on average 3.5) internal successors, (182), 51 states have internal predecessors, (182), 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) [2025-03-17 14:40:16,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:16,739 INFO L93 Difference]: Finished difference Result 19317 states and 25682 transitions. [2025-03-17 14:40:16,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-03-17 14:40:16,743 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.5) internal successors, (182), 51 states have internal predecessors, (182), 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 174 [2025-03-17 14:40:16,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:16,782 INFO L225 Difference]: With dead ends: 19317 [2025-03-17 14:40:16,782 INFO L226 Difference]: Without dead ends: 14654 [2025-03-17 14:40:16,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2025-03-17 14:40:16,793 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 21543 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21543 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 2869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:16,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21543 Valid, 178 Invalid, 2869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [950 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-17 14:40:16,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14654 states. [2025-03-17 14:40:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14654 to 9775. [2025-03-17 14:40:17,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9775 states, 9753 states have (on average 1.2841177073720906) internal successors, (12524), 9774 states have internal predecessors, (12524), 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) [2025-03-17 14:40:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9775 states to 9775 states and 12524 transitions. [2025-03-17 14:40:17,034 INFO L78 Accepts]: Start accepts. Automaton has 9775 states and 12524 transitions. Word has length 174 [2025-03-17 14:40:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:17,034 INFO L471 AbstractCegarLoop]: Abstraction has 9775 states and 12524 transitions. [2025-03-17 14:40:17,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.5) internal successors, (182), 51 states have internal predecessors, (182), 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) [2025-03-17 14:40:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 9775 states and 12524 transitions. [2025-03-17 14:40:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2025-03-17 14:40:17,038 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:17,038 INFO L218 NwaCegarLoop]: trace histogram [138, 138, 138, 3, 3, 3, 2, 1, 1, 1] [2025-03-17 14:40:17,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 14:40:17,238 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 [2025-03-17 14:40:17,239 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:17,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:17,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1356237272, now seen corresponding path program 2 times [2025-03-17 14:40:17,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:17,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456405221] [2025-03-17 14:40:17,240 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:40:17,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:17,301 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 428 statements into 2 equivalence classes. [2025-03-17 14:40:17,304 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 428 statements. [2025-03-17 14:40:17,304 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:40:17,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-03-17 14:40:17,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:17,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456405221] [2025-03-17 14:40:17,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456405221] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:17,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040010269] [2025-03-17 14:40:17,324 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:40:17,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:17,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:17,326 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) [2025-03-17 14:40:17,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 14:40:17,486 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 428 statements into 2 equivalence classes. [2025-03-17 14:40:17,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 428 statements. [2025-03-17 14:40:17,491 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:40:17,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:17,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:40:17,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-03-17 14:40:17,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-03-17 14:40:18,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040010269] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:18,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:18,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-03-17 14:40:18,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106484969] [2025-03-17 14:40:18,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:18,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:40:18,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:18,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:40:18,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:40:18,152 INFO L87 Difference]: Start difference. First operand 9775 states and 12524 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2025-03-17 14:40:18,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:40:18,397 INFO L93 Difference]: Finished difference Result 9775 states and 12524 transitions. [2025-03-17 14:40:18,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:40:18,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 428 [2025-03-17 14:40:18,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:40:18,438 INFO L225 Difference]: With dead ends: 9775 [2025-03-17 14:40:18,438 INFO L226 Difference]: Without dead ends: 9772 [2025-03-17 14:40:18,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:40:18,446 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 104 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:40:18,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 38 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:40:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9772 states. [2025-03-17 14:40:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9772 to 9482. [2025-03-17 14:40:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9482 states, 9463 states have (on average 1.2919792877522984) internal successors, (12226), 9481 states have internal predecessors, (12226), 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) [2025-03-17 14:40:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9482 states to 9482 states and 12226 transitions. [2025-03-17 14:40:18,656 INFO L78 Accepts]: Start accepts. Automaton has 9482 states and 12226 transitions. Word has length 428 [2025-03-17 14:40:18,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:40:18,656 INFO L471 AbstractCegarLoop]: Abstraction has 9482 states and 12226 transitions. [2025-03-17 14:40:18,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2025-03-17 14:40:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 9482 states and 12226 transitions. [2025-03-17 14:40:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2025-03-17 14:40:18,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:40:18,664 INFO L218 NwaCegarLoop]: trace histogram [184, 184, 184, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1] [2025-03-17 14:40:18,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 14:40:18,865 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 [2025-03-17 14:40:18,865 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:40:18,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:40:18,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1107138926, now seen corresponding path program 1 times [2025-03-17 14:40:18,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:40:18,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502734390] [2025-03-17 14:40:18,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:18,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:40:18,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 577 statements into 1 equivalence classes. [2025-03-17 14:40:18,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 577 of 577 statements. [2025-03-17 14:40:18,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:18,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 51280 backedges. 0 proven. 25784 refuted. 0 times theorem prover too weak. 25496 trivial. 0 not checked. [2025-03-17 14:40:19,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:40:19,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502734390] [2025-03-17 14:40:19,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502734390] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:40:19,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322552336] [2025-03-17 14:40:19,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:40:19,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:40:19,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:40:19,432 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) [2025-03-17 14:40:19,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 14:40:19,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 577 statements into 1 equivalence classes. [2025-03-17 14:40:19,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 577 of 577 statements. [2025-03-17 14:40:19,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:40:19,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:40:19,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 2125 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-03-17 14:40:19,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:40:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 51280 backedges. 19329 proven. 3151 refuted. 0 times theorem prover too weak. 28800 trivial. 0 not checked. [2025-03-17 14:40:20,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:40:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 51280 backedges. 19329 proven. 3151 refuted. 0 times theorem prover too weak. 28800 trivial. 0 not checked. [2025-03-17 14:40:22,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322552336] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:40:22,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:40:22,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 49, 49] total 99 [2025-03-17 14:40:22,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330706458] [2025-03-17 14:40:22,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:40:22,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-03-17 14:40:22,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:40:22,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-03-17 14:40:22,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4664, Invalid=5236, Unknown=0, NotChecked=0, Total=9900 [2025-03-17 14:40:22,526 INFO L87 Difference]: Start difference. First operand 9482 states and 12226 transitions. Second operand has 100 states, 100 states have (on average 3.19) internal successors, (319), 99 states have internal predecessors, (319), 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) [2025-03-17 14:41:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:08,051 INFO L93 Difference]: Finished difference Result 38262 states and 51143 transitions. [2025-03-17 14:41:08,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2025-03-17 14:41:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 3.19) internal successors, (319), 99 states have internal predecessors, (319), 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 577 [2025-03-17 14:41:08,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:08,100 INFO L225 Difference]: With dead ends: 38262 [2025-03-17 14:41:08,100 INFO L226 Difference]: Without dead ends: 28922 [2025-03-17 14:41:08,116 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1391 GetRequests, 1056 SyntacticMatches, 0 SemanticMatches, 335 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37932 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=39409, Invalid=73823, Unknown=0, NotChecked=0, Total=113232 [2025-03-17 14:41:08,116 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 55432 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 3426 mSolverCounterSat, 2504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55432 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 5930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2504 IncrementalHoareTripleChecker+Valid, 3426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:08,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55432 Valid, 250 Invalid, 5930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2504 Valid, 3426 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-17 14:41:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28922 states. [2025-03-17 14:41:08,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28922 to 28898. [2025-03-17 14:41:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28898 states, 28879 states have (on average 1.312545448249593) internal successors, (37905), 28897 states have internal predecessors, (37905), 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) [2025-03-17 14:41:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28898 states to 28898 states and 37905 transitions. [2025-03-17 14:41:08,638 INFO L78 Accepts]: Start accepts. Automaton has 28898 states and 37905 transitions. Word has length 577 [2025-03-17 14:41:08,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:08,639 INFO L471 AbstractCegarLoop]: Abstraction has 28898 states and 37905 transitions. [2025-03-17 14:41:08,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.19) internal successors, (319), 99 states have internal predecessors, (319), 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) [2025-03-17 14:41:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 28898 states and 37905 transitions. [2025-03-17 14:41:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1183 [2025-03-17 14:41:08,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:08,657 INFO L218 NwaCegarLoop]: trace histogram [376, 376, 376, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:41:08,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 14:41:08,858 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 [2025-03-17 14:41:08,858 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:41:08,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:08,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1923441004, now seen corresponding path program 3 times [2025-03-17 14:41:08,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:08,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290172402] [2025-03-17 14:41:08,859 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:41:08,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:08,974 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1182 statements into 381 equivalence classes. [2025-03-17 14:41:08,981 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 34 of 1182 statements. [2025-03-17 14:41:08,982 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 14:41:08,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 213053 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 213042 trivial. 0 not checked. [2025-03-17 14:41:09,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:09,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290172402] [2025-03-17 14:41:09,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290172402] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:09,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088949538] [2025-03-17 14:41:09,017 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:41:09,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:09,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:09,019 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) [2025-03-17 14:41:09,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 14:41:09,372 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1182 statements into 381 equivalence classes. [2025-03-17 14:41:09,383 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 34 of 1182 statements. [2025-03-17 14:41:09,383 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 14:41:09,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:09,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 14:41:09,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 213053 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 213042 trivial. 0 not checked. [2025-03-17 14:41:10,320 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:41:10,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088949538] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:41:10,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 14:41:10,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2025-03-17 14:41:10,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109755032] [2025-03-17 14:41:10,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:41:10,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 14:41:10,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:10,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 14:41:10,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 14:41:10,322 INFO L87 Difference]: Start difference. First operand 28898 states and 37905 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2025-03-17 14:41:10,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:10,736 INFO L93 Difference]: Finished difference Result 28898 states and 37905 transitions. [2025-03-17 14:41:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 14:41:10,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 1182 [2025-03-17 14:41:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:10,777 INFO L225 Difference]: With dead ends: 28898 [2025-03-17 14:41:10,777 INFO L226 Difference]: Without dead ends: 28894 [2025-03-17 14:41:10,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1184 GetRequests, 1179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 14:41:10,785 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 74 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:10,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 52 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:41:10,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28894 states. [2025-03-17 14:41:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28894 to 28894. [2025-03-17 14:41:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28894 states, 28879 states have (on average 1.1966134561446033) internal successors, (34557), 28893 states have internal predecessors, (34557), 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) [2025-03-17 14:41:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28894 states to 28894 states and 34557 transitions. [2025-03-17 14:41:11,282 INFO L78 Accepts]: Start accepts. Automaton has 28894 states and 34557 transitions. Word has length 1182 [2025-03-17 14:41:11,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:11,284 INFO L471 AbstractCegarLoop]: Abstraction has 28894 states and 34557 transitions. [2025-03-17 14:41:11,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2025-03-17 14:41:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 28894 states and 34557 transitions. [2025-03-17 14:41:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1730 [2025-03-17 14:41:11,336 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:11,337 INFO L218 NwaCegarLoop]: trace histogram [564, 564, 564, 6, 6, 6, 6, 3, 3, 3, 2, 1, 1] [2025-03-17 14:41:11,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 14:41:11,537 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 [2025-03-17 14:41:11,538 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:41:11,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:11,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1898130539, now seen corresponding path program 2 times [2025-03-17 14:41:11,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:11,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032612311] [2025-03-17 14:41:11,539 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:41:11,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:11,731 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1729 statements into 2 equivalence classes. [2025-03-17 14:41:11,733 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 1729 statements. [2025-03-17 14:41:11,733 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:41:11,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 479772 backedges. 0 proven. 213614 refuted. 0 times theorem prover too weak. 266158 trivial. 0 not checked. [2025-03-17 14:41:11,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:41:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032612311] [2025-03-17 14:41:11,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032612311] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:41:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380163476] [2025-03-17 14:41:11,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:41:11,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:41:11,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:41:11,759 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) [2025-03-17 14:41:11,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 14:41:12,281 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1729 statements into 2 equivalence classes. [2025-03-17 14:41:12,286 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 1729 statements. [2025-03-17 14:41:12,286 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 14:41:12,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:41:12,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:41:12,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:41:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 479772 backedges. 0 proven. 213614 refuted. 0 times theorem prover too weak. 266158 trivial. 0 not checked. [2025-03-17 14:41:13,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:41:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 479772 backedges. 0 proven. 213614 refuted. 0 times theorem prover too weak. 266158 trivial. 0 not checked. [2025-03-17 14:41:14,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380163476] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:41:14,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:41:14,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-03-17 14:41:14,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634966119] [2025-03-17 14:41:14,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:41:14,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:41:14,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:41:14,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:41:14,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:41:14,757 INFO L87 Difference]: Start difference. First operand 28894 states and 34557 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2025-03-17 14:41:15,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:41:15,085 INFO L93 Difference]: Finished difference Result 28894 states and 34557 transitions. [2025-03-17 14:41:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 14:41:15,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 1729 [2025-03-17 14:41:15,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:41:15,132 INFO L225 Difference]: With dead ends: 28894 [2025-03-17 14:41:15,132 INFO L226 Difference]: Without dead ends: 28891 [2025-03-17 14:41:15,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3460 GetRequests, 3454 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:41:15,141 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 158 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:41:15,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 15 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:41:15,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28891 states. [2025-03-17 14:41:15,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28891 to 19265. [2025-03-17 14:41:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19265 states, 19253 states have (on average 1.1770113748506725) internal successors, (22661), 19264 states have internal predecessors, (22661), 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) [2025-03-17 14:41:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19265 states to 19265 states and 22661 transitions. [2025-03-17 14:41:15,655 INFO L78 Accepts]: Start accepts. Automaton has 19265 states and 22661 transitions. Word has length 1729 [2025-03-17 14:41:15,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:41:15,657 INFO L471 AbstractCegarLoop]: Abstraction has 19265 states and 22661 transitions. [2025-03-17 14:41:15,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2025-03-17 14:41:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 19265 states and 22661 transitions. [2025-03-17 14:41:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2578 [2025-03-17 14:41:15,717 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:41:15,718 INFO L218 NwaCegarLoop]: trace histogram [376, 376, 376, 95, 95, 95, 95, 95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:41:15,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 14:41:15,922 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 [2025-03-17 14:41:15,922 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-03-17 14:41:15,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:41:15,923 INFO L85 PathProgramCache]: Analyzing trace with hash 515523302, now seen corresponding path program 1 times [2025-03-17 14:41:15,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:41:15,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426550217] [2025-03-17 14:41:15,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:41:15,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:41:16,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2577 statements into 1 equivalence classes. [2025-03-17 14:41:16,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2577 of 2577 statements. [2025-03-17 14:41:16,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:41:16,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat