./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 17:43:04,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 17:43:04,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 17:43:04,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 17:43:04,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 17:43:04,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 17:43:04,229 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 17:43:04,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 17:43:04,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 17:43:04,229 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 17:43:04,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 17:43:04,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 17:43:04,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 17:43:04,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 17:43:04,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 17:43:04,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 17:43:04,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 17:43:04,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 17:43:04,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 17:43:04,232 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 17:43:04,232 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 17:43:04,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 17:43:04,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 17:43:04,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:43:04,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 17:43:04,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 17:43:04,233 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c0da28a3279531ae99c6f3d9af54307d4e61fead8521ccf951ebb6280d11476 [2025-03-17 17:43:04,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 17:43:04,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 17:43:04,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 17:43:04,468 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 17:43:04,468 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 17:43:04,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2025-03-17 17:43:05,609 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8eeff62/06845239a9e4457d888a2019e52c2498/FLAGc28644aab [2025-03-17 17:43:05,965 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 17:43:05,966 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_08_good.i [2025-03-17 17:43:05,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8eeff62/06845239a9e4457d888a2019e52c2498/FLAGc28644aab [2025-03-17 17:43:06,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa8eeff62/06845239a9e4457d888a2019e52c2498 [2025-03-17 17:43:06,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 17:43:06,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 17:43:06,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 17:43:06,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 17:43:06,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 17:43:06,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba7706c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06, skipping insertion in model container [2025-03-17 17:43:06,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 17:43:06,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:43:06,677 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 17:43:06,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:43:06,832 INFO L204 MainTranslator]: Completed translation [2025-03-17 17:43:06,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06 WrapperNode [2025-03-17 17:43:06,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 17:43:06,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 17:43:06,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 17:43:06,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 17:43:06,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,877 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 225 [2025-03-17 17:43:06,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 17:43:06,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 17:43:06,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 17:43:06,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 17:43:06,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,900 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 17:43:06,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 17:43:06,909 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 17:43:06,909 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 17:43:06,909 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 17:43:06,909 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (1/1) ... [2025-03-17 17:43:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:43:06,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:06,944 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 17:43:06,948 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 17:43:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-17 17:43:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-17 17:43:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-17 17:43:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-17 17:43:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 17:43:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 17:43:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 17:43:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2025-03-17 17:43:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2025-03-17 17:43:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2025-03-17 17:43:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2025-03-17 17:43:07,054 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 17:43:07,055 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 17:43:07,329 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-03-17 17:43:07,330 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 17:43:07,352 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 17:43:07,353 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 17:43:07,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:43:07 BoogieIcfgContainer [2025-03-17 17:43:07,356 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 17:43:07,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 17:43:07,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 17:43:07,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 17:43:07,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 05:43:06" (1/3) ... [2025-03-17 17:43:07,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267faaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:43:07, skipping insertion in model container [2025-03-17 17:43:07,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:43:06" (2/3) ... [2025-03-17 17:43:07,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267faaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:43:07, skipping insertion in model container [2025-03-17 17:43:07,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:43:07" (3/3) ... [2025-03-17 17:43:07,364 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_08_good.i [2025-03-17 17:43:07,374 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 17:43:07,375 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_add_08_good.i that has 5 procedures, 122 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-17 17:43:07,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 17:43:07,423 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;@64f487fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 17:43:07,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 17:43:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 103 states have internal predecessors, (136), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 17:43:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 17:43:07,435 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:07,435 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:07,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:07,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:07,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1726696209, now seen corresponding path program 1 times [2025-03-17 17:43:07,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:07,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842433340] [2025-03-17 17:43:07,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:07,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:07,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 17:43:07,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 17:43:07,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:07,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:07,689 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 17:43:07,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:07,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842433340] [2025-03-17 17:43:07,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842433340] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:07,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:43:07,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 17:43:07,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324067276] [2025-03-17 17:43:07,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:07,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 17:43:07,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:07,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 17:43:07,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:43:07,712 INFO L87 Difference]: Start difference. First operand has 122 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 103 states have internal predecessors, (136), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 17:43:07,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:07,776 INFO L93 Difference]: Finished difference Result 216 states and 300 transitions. [2025-03-17 17:43:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 17:43:07,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-03-17 17:43:07,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:07,784 INFO L225 Difference]: With dead ends: 216 [2025-03-17 17:43:07,784 INFO L226 Difference]: Without dead ends: 115 [2025-03-17 17:43:07,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:43:07,789 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:07,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 478 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:07,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-03-17 17:43:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-03-17 17:43:07,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 98 states have internal predecessors, (129), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 161 transitions. [2025-03-17 17:43:07,829 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 161 transitions. Word has length 21 [2025-03-17 17:43:07,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:07,830 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 161 transitions. [2025-03-17 17:43:07,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 17:43:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 161 transitions. [2025-03-17 17:43:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 17:43:07,832 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:07,832 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:07,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 17:43:07,833 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:07,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:07,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1572475169, now seen corresponding path program 1 times [2025-03-17 17:43:07,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:07,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195446059] [2025-03-17 17:43:07,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:07,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:07,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 17:43:07,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 17:43:07,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:07,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:08,000 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 17:43:08,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:08,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195446059] [2025-03-17 17:43:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195446059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:08,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:43:08,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:43:08,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941599702] [2025-03-17 17:43:08,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:08,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:08,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:08,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:08,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:43:08,003 INFO L87 Difference]: Start difference. First operand 115 states and 161 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 17:43:08,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:08,035 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2025-03-17 17:43:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:08,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2025-03-17 17:43:08,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:08,038 INFO L225 Difference]: With dead ends: 116 [2025-03-17 17:43:08,038 INFO L226 Difference]: Without dead ends: 115 [2025-03-17 17:43:08,040 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 17:43:08,040 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 38 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:08,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 254 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-03-17 17:43:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2025-03-17 17:43:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 87 states have (on average 1.471264367816092) internal successors, (128), 97 states have internal predecessors, (128), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2025-03-17 17:43:08,049 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 27 [2025-03-17 17:43:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:08,049 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2025-03-17 17:43:08,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 17:43:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2025-03-17 17:43:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 17:43:08,051 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:08,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:08,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 17:43:08,052 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:08,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1502089910, now seen corresponding path program 1 times [2025-03-17 17:43:08,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:08,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503269320] [2025-03-17 17:43:08,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:08,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:08,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 17:43:08,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 17:43:08,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:08,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:08,102 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 17:43:08,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:08,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503269320] [2025-03-17 17:43:08,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503269320] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:08,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:43:08,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:43:08,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852323590] [2025-03-17 17:43:08,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:08,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:08,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:08,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:08,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:43:08,103 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:43:08,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:08,135 INFO L93 Difference]: Finished difference Result 114 states and 160 transitions. [2025-03-17 17:43:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:08,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-03-17 17:43:08,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:08,138 INFO L225 Difference]: With dead ends: 114 [2025-03-17 17:43:08,138 INFO L226 Difference]: Without dead ends: 113 [2025-03-17 17:43:08,138 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 17:43:08,138 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 36 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:08,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 260 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:08,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-03-17 17:43:08,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-03-17 17:43:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 96 states have internal predecessors, (127), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2025-03-17 17:43:08,151 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 28 [2025-03-17 17:43:08,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:08,152 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2025-03-17 17:43:08,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:43:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2025-03-17 17:43:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 17:43:08,153 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:08,153 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:08,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 17:43:08,154 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:08,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:08,155 INFO L85 PathProgramCache]: Analyzing trace with hash 806784292, now seen corresponding path program 1 times [2025-03-17 17:43:08,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:08,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778094292] [2025-03-17 17:43:08,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:08,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:08,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 17:43:08,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 17:43:08,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:08,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:43:08,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:08,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778094292] [2025-03-17 17:43:08,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778094292] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:08,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:43:08,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 17:43:08,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346600055] [2025-03-17 17:43:08,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:08,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 17:43:08,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:08,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 17:43:08,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:43:08,223 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:08,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:08,264 INFO L93 Difference]: Finished difference Result 188 states and 259 transitions. [2025-03-17 17:43:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 17:43:08,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2025-03-17 17:43:08,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:08,266 INFO L225 Difference]: With dead ends: 188 [2025-03-17 17:43:08,266 INFO L226 Difference]: Without dead ends: 112 [2025-03-17 17:43:08,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 17:43:08,267 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:08,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:08,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-03-17 17:43:08,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-03-17 17:43:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 95 states have internal predecessors, (126), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 17:43:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 156 transitions. [2025-03-17 17:43:08,278 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 156 transitions. Word has length 45 [2025-03-17 17:43:08,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:08,278 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 156 transitions. [2025-03-17 17:43:08,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2025-03-17 17:43:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 17:43:08,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:08,281 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:08,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 17:43:08,281 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:08,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:08,282 INFO L85 PathProgramCache]: Analyzing trace with hash -287864079, now seen corresponding path program 1 times [2025-03-17 17:43:08,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:08,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577515692] [2025-03-17 17:43:08,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:08,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:08,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 17:43:08,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 17:43:08,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:08,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 17:43:08,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:08,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577515692] [2025-03-17 17:43:08,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577515692] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:08,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081756018] [2025-03-17 17:43:08,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:08,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:08,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:08,337 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 17:43:08,338 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 17:43:08,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 17:43:08,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 17:43:08,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:08,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:08,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:08,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:43:08,451 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:08,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081756018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:08,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:08,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:08,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824427229] [2025-03-17 17:43:08,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:08,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:08,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:08,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:08,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:08,452 INFO L87 Difference]: Start difference. First operand 112 states and 156 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:08,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:08,506 INFO L93 Difference]: Finished difference Result 120 states and 168 transitions. [2025-03-17 17:43:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:08,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2025-03-17 17:43:08,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:08,508 INFO L225 Difference]: With dead ends: 120 [2025-03-17 17:43:08,509 INFO L226 Difference]: Without dead ends: 119 [2025-03-17 17:43:08,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:08,510 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 37 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:08,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 258 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:08,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-03-17 17:43:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2025-03-17 17:43:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 99 states have internal predecessors, (132), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 164 transitions. [2025-03-17 17:43:08,516 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 164 transitions. Word has length 46 [2025-03-17 17:43:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:08,516 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 164 transitions. [2025-03-17 17:43:08,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 164 transitions. [2025-03-17 17:43:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 17:43:08,517 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:08,517 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:08,525 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 17:43:08,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:08,722 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:08,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash -333851843, now seen corresponding path program 1 times [2025-03-17 17:43:08,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:08,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549629314] [2025-03-17 17:43:08,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:08,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 17:43:08,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 17:43:08,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:08,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-03-17 17:43:08,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:08,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549629314] [2025-03-17 17:43:08,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549629314] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:08,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349295973] [2025-03-17 17:43:08,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:08,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:08,800 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 17:43:08,802 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 17:43:08,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 17:43:08,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 17:43:08,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:08,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:08,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:08,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:43:08,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:08,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349295973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:08,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:08,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:08,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298060492] [2025-03-17 17:43:08,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:08,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:08,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:08,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:08,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:08,897 INFO L87 Difference]: Start difference. First operand 117 states and 164 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:08,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:08,928 INFO L93 Difference]: Finished difference Result 159 states and 212 transitions. [2025-03-17 17:43:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:08,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2025-03-17 17:43:08,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:08,929 INFO L225 Difference]: With dead ends: 159 [2025-03-17 17:43:08,929 INFO L226 Difference]: Without dead ends: 119 [2025-03-17 17:43:08,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:08,930 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 36 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:08,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 258 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:08,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-03-17 17:43:08,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2025-03-17 17:43:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.434782608695652) internal successors, (132), 100 states have internal predecessors, (132), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2025-03-17 17:43:08,936 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 47 [2025-03-17 17:43:08,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:08,936 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2025-03-17 17:43:08,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2025-03-17 17:43:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 17:43:08,937 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:08,937 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:08,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 17:43:09,137 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 17:43:09,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:09,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:09,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1409377343, now seen corresponding path program 1 times [2025-03-17 17:43:09,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:09,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361301849] [2025-03-17 17:43:09,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:09,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:09,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 17:43:09,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 17:43:09,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:09,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:43:09,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:09,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361301849] [2025-03-17 17:43:09,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361301849] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:09,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:43:09,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:43:09,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268206846] [2025-03-17 17:43:09,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:09,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:09,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:09,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:09,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:43:09,214 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:09,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:09,235 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2025-03-17 17:43:09,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:09,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2025-03-17 17:43:09,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:09,236 INFO L225 Difference]: With dead ends: 119 [2025-03-17 17:43:09,236 INFO L226 Difference]: Without dead ends: 118 [2025-03-17 17:43:09,236 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 17:43:09,237 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 39 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:09,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 243 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:09,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-03-17 17:43:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2025-03-17 17:43:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.423913043478261) internal successors, (131), 99 states have internal predecessors, (131), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2025-03-17 17:43:09,242 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 52 [2025-03-17 17:43:09,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:09,243 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2025-03-17 17:43:09,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 17:43:09,243 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2025-03-17 17:43:09,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 17:43:09,245 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:09,246 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:09,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 17:43:09,246 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:09,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:09,246 INFO L85 PathProgramCache]: Analyzing trace with hash 741024687, now seen corresponding path program 1 times [2025-03-17 17:43:09,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:09,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755169847] [2025-03-17 17:43:09,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:09,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 17:43:09,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 17:43:09,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:09,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-17 17:43:09,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:09,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755169847] [2025-03-17 17:43:09,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755169847] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:09,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:43:09,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:43:09,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551550975] [2025-03-17 17:43:09,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:09,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:09,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:09,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:09,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:43:09,287 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-17 17:43:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:09,327 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2025-03-17 17:43:09,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:09,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2025-03-17 17:43:09,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:09,329 INFO L225 Difference]: With dead ends: 118 [2025-03-17 17:43:09,330 INFO L226 Difference]: Without dead ends: 117 [2025-03-17 17:43:09,330 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 17:43:09,330 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 40 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:09,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 254 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:09,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-17 17:43:09,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2025-03-17 17:43:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 96 states have internal predecessors, (128), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2025-03-17 17:43:09,337 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 53 [2025-03-17 17:43:09,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:09,337 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2025-03-17 17:43:09,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-17 17:43:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2025-03-17 17:43:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-17 17:43:09,338 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:09,338 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:09,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 17:43:09,338 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:09,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:09,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1629025107, now seen corresponding path program 1 times [2025-03-17 17:43:09,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:09,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45858901] [2025-03-17 17:43:09,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:09,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:09,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 17:43:09,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 17:43:09,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:09,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 17:43:09,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:09,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45858901] [2025-03-17 17:43:09,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45858901] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:09,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973846286] [2025-03-17 17:43:09,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:09,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:09,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:09,386 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 17:43:09,388 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 17:43:09,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 17:43:09,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 17:43:09,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:09,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:09,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:09,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-17 17:43:09,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:09,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973846286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:09,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:09,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:09,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980539735] [2025-03-17 17:43:09,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:09,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:09,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:09,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:09,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:09,472 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:43:09,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:09,494 INFO L93 Difference]: Finished difference Result 121 states and 170 transitions. [2025-03-17 17:43:09,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:09,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2025-03-17 17:43:09,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:09,495 INFO L225 Difference]: With dead ends: 121 [2025-03-17 17:43:09,495 INFO L226 Difference]: Without dead ends: 120 [2025-03-17 17:43:09,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:09,496 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 2 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:09,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 282 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-03-17 17:43:09,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2025-03-17 17:43:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 98 states have internal predecessors, (132), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 17:43:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2025-03-17 17:43:09,503 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 58 [2025-03-17 17:43:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:09,503 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2025-03-17 17:43:09,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:43:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2025-03-17 17:43:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 17:43:09,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:09,504 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:09,510 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 17:43:09,704 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 17:43:09,704 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:09,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:09,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1039829233, now seen corresponding path program 1 times [2025-03-17 17:43:09,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:09,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850148306] [2025-03-17 17:43:09,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:09,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:09,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 17:43:09,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 17:43:09,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:09,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 17:43:09,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850148306] [2025-03-17 17:43:09,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850148306] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599240604] [2025-03-17 17:43:09,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:09,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:09,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:09,751 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 17:43:09,752 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 17:43:09,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 17:43:09,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 17:43:09,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:09,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:09,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:09,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-17 17:43:09,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:09,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599240604] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:09,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:09,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:09,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818153567] [2025-03-17 17:43:09,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:09,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:09,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:09,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:09,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:09,836 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:43:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:09,855 INFO L93 Difference]: Finished difference Result 119 states and 167 transitions. [2025-03-17 17:43:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:09,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2025-03-17 17:43:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:09,856 INFO L225 Difference]: With dead ends: 119 [2025-03-17 17:43:09,856 INFO L226 Difference]: Without dead ends: 118 [2025-03-17 17:43:09,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:09,857 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 3 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:09,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 273 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:09,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-03-17 17:43:09,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2025-03-17 17:43:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 97 states have internal predecessors, (131), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 17:43:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2025-03-17 17:43:09,865 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 59 [2025-03-17 17:43:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:09,866 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2025-03-17 17:43:09,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 17:43:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2025-03-17 17:43:09,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-17 17:43:09,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:09,867 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:09,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 17:43:10,068 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 17:43:10,069 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:10,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:10,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1764369372, now seen corresponding path program 1 times [2025-03-17 17:43:10,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:10,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198334228] [2025-03-17 17:43:10,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:10,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:10,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 17:43:10,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 17:43:10,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:10,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 17:43:10,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:10,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198334228] [2025-03-17 17:43:10,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198334228] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:10,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087765495] [2025-03-17 17:43:10,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:10,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:10,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:10,141 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 17:43:10,143 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 17:43:10,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 17:43:10,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 17:43:10,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:10,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:10,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:10,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:10,240 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-17 17:43:10,241 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:10,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087765495] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:10,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:10,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:10,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773430139] [2025-03-17 17:43:10,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:10,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:10,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:10,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:10,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:10,244 INFO L87 Difference]: Start difference. First operand 117 states and 165 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 17:43:10,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:10,267 INFO L93 Difference]: Finished difference Result 118 states and 166 transitions. [2025-03-17 17:43:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:10,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2025-03-17 17:43:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:10,269 INFO L225 Difference]: With dead ends: 118 [2025-03-17 17:43:10,269 INFO L226 Difference]: Without dead ends: 117 [2025-03-17 17:43:10,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:10,269 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 2 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:10,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 273 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:10,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-17 17:43:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2025-03-17 17:43:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 90 states have (on average 1.4) internal successors, (126), 94 states have internal predecessors, (126), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2025-03-17 17:43:10,275 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 63 [2025-03-17 17:43:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:10,275 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2025-03-17 17:43:10,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-03-17 17:43:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2025-03-17 17:43:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 17:43:10,276 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:10,276 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:10,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 17:43:10,476 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,SelfDestructingSolverStorable10 [2025-03-17 17:43:10,477 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:10,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:10,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1545367474, now seen corresponding path program 1 times [2025-03-17 17:43:10,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:10,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060120838] [2025-03-17 17:43:10,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:10,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 17:43:10,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 17:43:10,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:10,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-17 17:43:10,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060120838] [2025-03-17 17:43:10,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060120838] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:10,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038152497] [2025-03-17 17:43:10,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:10,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:10,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:10,523 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 17:43:10,524 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 17:43:10,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 17:43:10,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 17:43:10,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:10,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:10,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:10,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 17:43:10,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:10,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038152497] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:10,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:10,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:10,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938678403] [2025-03-17 17:43:10,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:10,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:10,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:10,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:10,600 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:43:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:10,619 INFO L93 Difference]: Finished difference Result 118 states and 165 transitions. [2025-03-17 17:43:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:10,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2025-03-17 17:43:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:10,620 INFO L225 Difference]: With dead ends: 118 [2025-03-17 17:43:10,620 INFO L226 Difference]: Without dead ends: 117 [2025-03-17 17:43:10,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:10,621 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:10,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-17 17:43:10,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2025-03-17 17:43:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 97 states have internal predecessors, (129), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 17:43:10,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 163 transitions. [2025-03-17 17:43:10,626 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 163 transitions. Word has length 71 [2025-03-17 17:43:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:10,626 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 163 transitions. [2025-03-17 17:43:10,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:43:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 163 transitions. [2025-03-17 17:43:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 17:43:10,627 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:10,627 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:10,633 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 17:43:10,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:10,828 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:10,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:10,830 INFO L85 PathProgramCache]: Analyzing trace with hash 197442861, now seen corresponding path program 1 times [2025-03-17 17:43:10,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:10,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769191160] [2025-03-17 17:43:10,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:10,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:10,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 17:43:10,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 17:43:10,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:10,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-17 17:43:10,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:10,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769191160] [2025-03-17 17:43:10,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769191160] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:10,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146179464] [2025-03-17 17:43:10,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:10,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:10,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:10,887 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 17:43:10,888 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 17:43:10,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 17:43:10,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 17:43:10,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:10,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:10,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:10,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 17:43:10,965 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:10,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146179464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:10,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:10,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:10,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753150159] [2025-03-17 17:43:10,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:10,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:10,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:10,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:10,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:10,966 INFO L87 Difference]: Start difference. First operand 116 states and 163 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:43:10,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:10,985 INFO L93 Difference]: Finished difference Result 116 states and 163 transitions. [2025-03-17 17:43:10,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:10,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2025-03-17 17:43:10,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:10,986 INFO L225 Difference]: With dead ends: 116 [2025-03-17 17:43:10,986 INFO L226 Difference]: Without dead ends: 115 [2025-03-17 17:43:10,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:10,987 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 1 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:10,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 274 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-03-17 17:43:10,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2025-03-17 17:43:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 93 states have internal predecessors, (125), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-03-17 17:43:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2025-03-17 17:43:10,991 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 71 [2025-03-17 17:43:10,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:10,991 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2025-03-17 17:43:10,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:43:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2025-03-17 17:43:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-17 17:43:10,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:43:10,992 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:10,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 17:43:11,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:11,197 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:43:11,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:43:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash -661751455, now seen corresponding path program 1 times [2025-03-17 17:43:11,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:43:11,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637498367] [2025-03-17 17:43:11,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:11,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:43:11,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 17:43:11,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 17:43:11,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:11,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-17 17:43:11,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:43:11,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637498367] [2025-03-17 17:43:11,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637498367] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 17:43:11,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356198260] [2025-03-17 17:43:11,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:43:11,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 17:43:11,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:43:11,245 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 17:43:11,247 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 17:43:11,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 17:43:11,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 17:43:11,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:43:11,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:43:11,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-17 17:43:11,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 17:43:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 17:43:11,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 17:43:11,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356198260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:43:11,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 17:43:11,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-17 17:43:11,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839814989] [2025-03-17 17:43:11,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:43:11,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:43:11,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:43:11,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:43:11,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:11,327 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:43:11,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:43:11,344 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2025-03-17 17:43:11,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:43:11,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2025-03-17 17:43:11,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:43:11,345 INFO L225 Difference]: With dead ends: 111 [2025-03-17 17:43:11,345 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 17:43:11,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 17:43:11,346 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 2 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:43:11,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 274 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:43:11,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 17:43:11,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 17:43:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 17:43:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 17:43:11,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2025-03-17 17:43:11,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:43:11,346 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 17:43:11,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 17:43:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 17:43:11,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 17:43:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-03-17 17:43:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-03-17 17:43:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-17 17:43:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-17 17:43:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-17 17:43:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-17 17:43:11,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-17 17:43:11,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-17 17:43:11,356 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 17:43:11,550 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,SelfDestructingSolverStorable13 [2025-03-17 17:43:11,553 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:43:11,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 17:43:11,611 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 17:43:11,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 05:43:11 BoogieIcfgContainer [2025-03-17 17:43:11,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 17:43:11,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 17:43:11,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 17:43:11,618 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 17:43:11,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:43:07" (3/4) ... [2025-03-17 17:43:11,620 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 17:43:11,624 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-17 17:43:11,625 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2025-03-17 17:43:11,625 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-17 17:43:11,625 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2025-03-17 17:43:11,631 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-17 17:43:11,631 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-17 17:43:11,632 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 17:43:11,632 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 17:43:11,706 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 17:43:11,706 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 17:43:11,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 17:43:11,707 INFO L158 Benchmark]: Toolchain (without parser) took 5515.97ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 45.3MB in the end (delta: 57.7MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2025-03-17 17:43:11,707 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:43:11,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.83ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 39.8MB in the end (delta: 63.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-03-17 17:43:11,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.54ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 36.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:43:11,708 INFO L158 Benchmark]: Boogie Preprocessor took 30.58ms. Allocated memory is still 142.6MB. Free memory was 36.7MB in the beginning and 35.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:43:11,708 INFO L158 Benchmark]: IcfgBuilder took 447.08ms. Allocated memory is still 142.6MB. Free memory was 34.6MB in the beginning and 79.2MB in the end (delta: -44.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-03-17 17:43:11,708 INFO L158 Benchmark]: TraceAbstraction took 4260.13ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 53.6MB in the end (delta: 24.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2025-03-17 17:43:11,709 INFO L158 Benchmark]: Witness Printer took 88.26ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 45.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 17:43:11,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.83ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 39.8MB in the end (delta: 63.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.54ms. Allocated memory is still 142.6MB. Free memory was 39.8MB in the beginning and 36.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.58ms. Allocated memory is still 142.6MB. Free memory was 36.7MB in the beginning and 35.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 447.08ms. Allocated memory is still 142.6MB. Free memory was 34.6MB in the beginning and 79.2MB in the end (delta: -44.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4260.13ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 53.6MB in the end (delta: 24.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 88.26ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 45.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 122 locations, 190 edges, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 246 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 4095 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2043 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 2052 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 21 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1200 NumberOfCodeBlocks, 1200 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1511 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 529/569 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 17:43:11,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE