./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/cohencu3-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-nla/cohencu3-both-nt.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ca7ce9ebd9ab1a6eee9fc9006cb49cb4f31e2e39b3b21c759320bb8210d6441 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 14:51:59,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 14:51:59,794 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 14:51:59,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 14:51:59,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 14:51:59,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 14:51:59,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 14:51:59,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 14:51:59,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 14:51:59,821 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 14:51:59,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 14:51:59,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 14:51:59,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 14:51:59,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 14:51:59,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 14:51:59,823 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:51:59,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 14:51:59,823 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ca7ce9ebd9ab1a6eee9fc9006cb49cb4f31e2e39b3b21c759320bb8210d6441 [2025-03-17 14:52:00,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 14:52:00,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 14:52:00,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 14:52:00,066 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 14:52:00,066 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 14:52:00,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/cohencu3-both-nt.c [2025-03-17 14:52:01,349 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8a916c3c/06ea1b5ec16242499fbea7a8967965ad/FLAG0b9db36bc [2025-03-17 14:52:01,737 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 14:52:01,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/cohencu3-both-nt.c [2025-03-17 14:52:01,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8a916c3c/06ea1b5ec16242499fbea7a8967965ad/FLAG0b9db36bc [2025-03-17 14:52:01,947 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8a916c3c/06ea1b5ec16242499fbea7a8967965ad [2025-03-17 14:52:01,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 14:52:01,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 14:52:01,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 14:52:01,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 14:52:01,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 14:52:01,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:52:01" (1/1) ... [2025-03-17 14:52:01,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bebdb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:01, skipping insertion in model container [2025-03-17 14:52:01,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:52:01" (1/1) ... [2025-03-17 14:52:01,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 14:52:02,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:52:02,077 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 14:52:02,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 14:52:02,104 INFO L204 MainTranslator]: Completed translation [2025-03-17 14:52:02,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02 WrapperNode [2025-03-17 14:52:02,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 14:52:02,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 14:52:02,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 14:52:02,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 14:52:02,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,123 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2025-03-17 14:52:02,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 14:52:02,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 14:52:02,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 14:52:02,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 14:52:02,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,144 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 14:52:02,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 14:52:02,150 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 14:52:02,151 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 14:52:02,151 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 14:52:02,152 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (1/1) ... [2025-03-17 14:52:02,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 14:52:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:02,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 14:52:02,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 14:52:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 14:52:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 14:52:02,280 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 14:52:02,282 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 14:52:02,403 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-03-17 14:52:02,404 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 14:52:02,411 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 14:52:02,411 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 14:52:02,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:52:02 BoogieIcfgContainer [2025-03-17 14:52:02,411 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 14:52:02,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 14:52:02,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 14:52:02,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 14:52:02,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:52:01" (1/3) ... [2025-03-17 14:52:02,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef85ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:52:02, skipping insertion in model container [2025-03-17 14:52:02,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:52:02" (2/3) ... [2025-03-17 14:52:02,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef85ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:52:02, skipping insertion in model container [2025-03-17 14:52:02,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:52:02" (3/3) ... [2025-03-17 14:52:02,420 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu3-both-nt.c [2025-03-17 14:52:02,430 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 14:52:02,431 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu3-both-nt.c that has 1 procedures, 29 locations, 1 initial locations, 1 loop locations, and 12 error locations. [2025-03-17 14:52:02,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 14:52:02,477 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;@8662393, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 14:52:02,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-17 14:52:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 16 states have (on average 1.875) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-03-17 14:52:02,484 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:02,485 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-03-17 14:52:02,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:02,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1855, now seen corresponding path program 1 times [2025-03-17 14:52:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:02,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114215674] [2025-03-17 14:52:02,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:02,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:02,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 14:52:02,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 14:52:02,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:02,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:02,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:02,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114215674] [2025-03-17 14:52:02,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114215674] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:02,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:02,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:02,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100046764] [2025-03-17 14:52:02,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:02,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 14:52:02,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:02,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 14:52:02,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 14:52:02,591 INFO L87 Difference]: Start difference. First operand has 29 states, 16 states have (on average 1.875) internal successors, (30), 28 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:02,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:02,600 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2025-03-17 14:52:02,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 14:52:02,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2025-03-17 14:52:02,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:02,607 INFO L225 Difference]: With dead ends: 32 [2025-03-17 14:52:02,608 INFO L226 Difference]: Without dead ends: 25 [2025-03-17 14:52:02,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 14:52:02,615 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:02,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:02,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-03-17 14:52:02,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-03-17 14:52:02,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 24 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2025-03-17 14:52:02,645 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 2 [2025-03-17 14:52:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:02,646 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2025-03-17 14:52:02,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2025-03-17 14:52:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 14:52:02,647 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:02,647 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 14:52:02,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 14:52:02,648 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:02,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash 57498, now seen corresponding path program 1 times [2025-03-17 14:52:02,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:02,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962678539] [2025-03-17 14:52:02,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:02,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:02,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 14:52:02,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 14:52:02,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:02,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 14:52:02,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863048507] [2025-03-17 14:52:02,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:02,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:02,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:02,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 14:52:02,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 14:52:02,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 14:52:02,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:02,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:02,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:52:02,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:02,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:52:02,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:02,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962678539] [2025-03-17 14:52:02,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 14:52:02,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863048507] [2025-03-17 14:52:02,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863048507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:02,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:02,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:02,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622467917] [2025-03-17 14:52:02,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:02,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:52:02,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:02,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:52:02,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:02,724 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:02,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:02,757 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2025-03-17 14:52:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:52:02,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-03-17 14:52:02,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:02,758 INFO L225 Difference]: With dead ends: 37 [2025-03-17 14:52:02,758 INFO L226 Difference]: Without dead ends: 32 [2025-03-17 14:52:02,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:02,759 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:02,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 30 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:02,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-03-17 14:52:02,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2025-03-17 14:52:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 31 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2025-03-17 14:52:02,763 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 3 [2025-03-17 14:52:02,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:02,763 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2025-03-17 14:52:02,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2025-03-17 14:52:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-17 14:52:02,763 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:02,763 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:02,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 14:52:02,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:02,964 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:02,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:02,965 INFO L85 PathProgramCache]: Analyzing trace with hash 911983028, now seen corresponding path program 1 times [2025-03-17 14:52:02,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:02,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130700352] [2025-03-17 14:52:02,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:02,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:02,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 14:52:02,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 14:52:02,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:02,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130700352] [2025-03-17 14:52:03,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130700352] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:03,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:03,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:03,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660949514] [2025-03-17 14:52:03,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:03,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:52:03,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:03,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:52:03,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,031 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:03,054 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2025-03-17 14:52:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:52:03,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-03-17 14:52:03,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:03,054 INFO L225 Difference]: With dead ends: 35 [2025-03-17 14:52:03,054 INFO L226 Difference]: Without dead ends: 34 [2025-03-17 14:52:03,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,055 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:03,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:03,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-17 14:52:03,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2025-03-17 14:52:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.5) internal successors, (33), 32 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2025-03-17 14:52:03,058 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 9 [2025-03-17 14:52:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:03,058 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2025-03-17 14:52:03,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2025-03-17 14:52:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-17 14:52:03,059 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:03,059 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:03,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 14:52:03,059 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:03,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:03,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1793297225, now seen corresponding path program 1 times [2025-03-17 14:52:03,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:03,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004986831] [2025-03-17 14:52:03,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:03,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-17 14:52:03,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-17 14:52:03,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004986831] [2025-03-17 14:52:03,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004986831] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:03,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:03,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:03,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079075857] [2025-03-17 14:52:03,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:03,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:52:03,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:03,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:52:03,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,106 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:03,122 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2025-03-17 14:52:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:52:03,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-03-17 14:52:03,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:03,123 INFO L225 Difference]: With dead ends: 35 [2025-03-17 14:52:03,123 INFO L226 Difference]: Without dead ends: 34 [2025-03-17 14:52:03,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,124 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:03,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2025-03-17 14:52:03,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2025-03-17 14:52:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 33 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2025-03-17 14:52:03,127 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 10 [2025-03-17 14:52:03,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:03,127 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2025-03-17 14:52:03,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2025-03-17 14:52:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 14:52:03,128 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:03,128 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:03,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 14:52:03,128 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:03,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:03,128 INFO L85 PathProgramCache]: Analyzing trace with hash 242360850, now seen corresponding path program 1 times [2025-03-17 14:52:03,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:03,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577575342] [2025-03-17 14:52:03,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:03,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 14:52:03,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 14:52:03,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577575342] [2025-03-17 14:52:03,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577575342] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:03,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:03,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:03,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616722665] [2025-03-17 14:52:03,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:03,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:52:03,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:03,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:52:03,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,179 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:03,209 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2025-03-17 14:52:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:52:03,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-03-17 14:52:03,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:03,210 INFO L225 Difference]: With dead ends: 37 [2025-03-17 14:52:03,212 INFO L226 Difference]: Without dead ends: 36 [2025-03-17 14:52:03,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,212 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:03,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:03,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-17 14:52:03,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2025-03-17 14:52:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 34 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2025-03-17 14:52:03,219 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 11 [2025-03-17 14:52:03,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:03,219 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2025-03-17 14:52:03,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2025-03-17 14:52:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 14:52:03,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:03,219 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:03,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 14:52:03,220 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:03,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:03,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1076748267, now seen corresponding path program 1 times [2025-03-17 14:52:03,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:03,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007751006] [2025-03-17 14:52:03,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:03,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 14:52:03,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 14:52:03,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007751006] [2025-03-17 14:52:03,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007751006] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:03,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:03,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:03,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085999102] [2025-03-17 14:52:03,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:03,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:52:03,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:03,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:52:03,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,265 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:03,284 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2025-03-17 14:52:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:52:03,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-03-17 14:52:03,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:03,285 INFO L225 Difference]: With dead ends: 37 [2025-03-17 14:52:03,285 INFO L226 Difference]: Without dead ends: 36 [2025-03-17 14:52:03,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,287 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:03,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:03,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-17 14:52:03,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-03-17 14:52:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.44) internal successors, (36), 35 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2025-03-17 14:52:03,293 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 12 [2025-03-17 14:52:03,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:03,294 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2025-03-17 14:52:03,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2025-03-17 14:52:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 14:52:03,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:03,294 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:03,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 14:52:03,294 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:03,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:03,295 INFO L85 PathProgramCache]: Analyzing trace with hash 980542064, now seen corresponding path program 1 times [2025-03-17 14:52:03,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:03,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821297642] [2025-03-17 14:52:03,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:03,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 14:52:03,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 14:52:03,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821297642] [2025-03-17 14:52:03,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821297642] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:03,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:03,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:03,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684223586] [2025-03-17 14:52:03,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:03,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:52:03,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:03,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:52:03,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,329 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:03,340 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2025-03-17 14:52:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:52:03,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-17 14:52:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:03,341 INFO L225 Difference]: With dead ends: 36 [2025-03-17 14:52:03,341 INFO L226 Difference]: Without dead ends: 35 [2025-03-17 14:52:03,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,341 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:03,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-03-17 14:52:03,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-03-17 14:52:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.4) internal successors, (35), 34 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2025-03-17 14:52:03,347 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 13 [2025-03-17 14:52:03,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:03,347 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2025-03-17 14:52:03,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2025-03-17 14:52:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 14:52:03,348 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:03,348 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:03,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 14:52:03,348 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:03,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:03,348 INFO L85 PathProgramCache]: Analyzing trace with hash 332032883, now seen corresponding path program 1 times [2025-03-17 14:52:03,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:03,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486921650] [2025-03-17 14:52:03,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:03,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 14:52:03,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 14:52:03,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486921650] [2025-03-17 14:52:03,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486921650] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:03,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:03,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 14:52:03,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582047099] [2025-03-17 14:52:03,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:03,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 14:52:03,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:03,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 14:52:03,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,397 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:03,415 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2025-03-17 14:52:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 14:52:03,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-03-17 14:52:03,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:03,416 INFO L225 Difference]: With dead ends: 38 [2025-03-17 14:52:03,416 INFO L226 Difference]: Without dead ends: 37 [2025-03-17 14:52:03,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 14:52:03,416 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:03,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:03,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-03-17 14:52:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-03-17 14:52:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 36 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2025-03-17 14:52:03,422 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 14 [2025-03-17 14:52:03,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:03,422 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2025-03-17 14:52:03,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2025-03-17 14:52:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-17 14:52:03,423 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:03,423 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:03,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 14:52:03,423 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:03,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:03,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1256020497, now seen corresponding path program 1 times [2025-03-17 14:52:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548228367] [2025-03-17 14:52:03,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:03,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 14:52:03,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 14:52:03,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 14:52:03,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398403616] [2025-03-17 14:52:03,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:03,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:03,434 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:03,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 14:52:03,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 14:52:03,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 14:52:03,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 14:52:03,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548228367] [2025-03-17 14:52:03,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 14:52:03,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398403616] [2025-03-17 14:52:03,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398403616] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:03,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 14:52:03,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 4 [2025-03-17 14:52:03,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877433465] [2025-03-17 14:52:03,566 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:03,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:52:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:03,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:52:03,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:52:03,566 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:03,648 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2025-03-17 14:52:03,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:52:03,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-03-17 14:52:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:03,649 INFO L225 Difference]: With dead ends: 61 [2025-03-17 14:52:03,649 INFO L226 Difference]: Without dead ends: 56 [2025-03-17 14:52:03,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-17 14:52:03,650 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 34 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:03,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 45 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:52:03,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-03-17 14:52:03,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 38. [2025-03-17 14:52:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 37 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2025-03-17 14:52:03,655 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 16 [2025-03-17 14:52:03,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:03,655 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2025-03-17 14:52:03,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2025-03-17 14:52:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-17 14:52:03,656 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:03,656 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:03,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 14:52:03,856 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,SelfDestructingSolverStorable8 [2025-03-17 14:52:03,857 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:03,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:03,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1430193643, now seen corresponding path program 1 times [2025-03-17 14:52:03,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:03,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587122395] [2025-03-17 14:52:03,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:03,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 14:52:03,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 14:52:03,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:03,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:03,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587122395] [2025-03-17 14:52:03,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587122395] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:03,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107599770] [2025-03-17 14:52:03,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:03,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:03,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:03,922 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:03,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 14:52:03,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 14:52:03,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 14:52:03,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:03,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:03,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 14:52:03,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:04,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:04,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107599770] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:04,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:04,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2025-03-17 14:52:04,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591054991] [2025-03-17 14:52:04,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:04,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 14:52:04,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:04,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 14:52:04,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-17 14:52:04,209 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:04,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:04,263 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2025-03-17 14:52:04,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 14:52:04,266 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2025-03-17 14:52:04,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:04,267 INFO L225 Difference]: With dead ends: 38 [2025-03-17 14:52:04,267 INFO L226 Difference]: Without dead ends: 36 [2025-03-17 14:52:04,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2025-03-17 14:52:04,267 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:04,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 47 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:04,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-17 14:52:04,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-03-17 14:52:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 35 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2025-03-17 14:52:04,271 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 22 [2025-03-17 14:52:04,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:04,271 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2025-03-17 14:52:04,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2025-03-17 14:52:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-17 14:52:04,271 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:04,271 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 14:52:04,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:04,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:04,473 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:04,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:04,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1386329952, now seen corresponding path program 1 times [2025-03-17 14:52:04,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:04,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675985589] [2025-03-17 14:52:04,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:04,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:04,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-17 14:52:04,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-17 14:52:04,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:04,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:04,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:04,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675985589] [2025-03-17 14:52:04,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675985589] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:04,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162672724] [2025-03-17 14:52:04,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:04,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:04,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:04,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:04,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 14:52:04,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-17 14:52:04,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-17 14:52:04,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:04,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:04,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 14:52:04,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:04,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:04,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162672724] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:04,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:04,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2025-03-17 14:52:04,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657639812] [2025-03-17 14:52:04,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:04,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 14:52:04,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:04,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 14:52:04,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2025-03-17 14:52:04,733 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:04,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:04,790 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2025-03-17 14:52:04,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 14:52:04,791 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2025-03-17 14:52:04,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:04,791 INFO L225 Difference]: With dead ends: 44 [2025-03-17 14:52:04,791 INFO L226 Difference]: Without dead ends: 43 [2025-03-17 14:52:04,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2025-03-17 14:52:04,792 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:04,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 54 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:04,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-03-17 14:52:04,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2025-03-17 14:52:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 40 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2025-03-17 14:52:04,796 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 23 [2025-03-17 14:52:04,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:04,796 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2025-03-17 14:52:04,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:04,796 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2025-03-17 14:52:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 14:52:04,797 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:04,798 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-03-17 14:52:04,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:04,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:04,999 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:04,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:04,999 INFO L85 PathProgramCache]: Analyzing trace with hash 823221374, now seen corresponding path program 1 times [2025-03-17 14:52:04,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:04,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226299812] [2025-03-17 14:52:04,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:04,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:05,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 14:52:05,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 14:52:05,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:05,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:05,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:05,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226299812] [2025-03-17 14:52:05,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226299812] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:05,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303817067] [2025-03-17 14:52:05,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:05,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:05,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:05,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:05,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 14:52:05,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 14:52:05,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 14:52:05,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:05,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:05,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 14:52:05,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:05,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:05,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303817067] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:05,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:05,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2025-03-17 14:52:05,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718613248] [2025-03-17 14:52:05,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:05,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 14:52:05,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:05,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 14:52:05,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-03-17 14:52:05,246 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 11 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:05,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:05,295 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2025-03-17 14:52:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 14:52:05,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-03-17 14:52:05,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:05,296 INFO L225 Difference]: With dead ends: 59 [2025-03-17 14:52:05,296 INFO L226 Difference]: Without dead ends: 58 [2025-03-17 14:52:05,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2025-03-17 14:52:05,296 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:05,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 68 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:05,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-17 14:52:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2025-03-17 14:52:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 55 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2025-03-17 14:52:05,300 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 25 [2025-03-17 14:52:05,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:05,300 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2025-03-17 14:52:05,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2025-03-17 14:52:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 14:52:05,300 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:05,300 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-03-17 14:52:05,306 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 14:52:05,505 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,SelfDestructingSolverStorable11 [2025-03-17 14:52:05,505 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:05,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:05,506 INFO L85 PathProgramCache]: Analyzing trace with hash 841757084, now seen corresponding path program 1 times [2025-03-17 14:52:05,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:05,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22407986] [2025-03-17 14:52:05,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:05,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:05,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 14:52:05,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 14:52:05,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:05,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:05,544 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:05,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:05,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22407986] [2025-03-17 14:52:05,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22407986] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:05,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130730129] [2025-03-17 14:52:05,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:05,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:05,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:05,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:05,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 14:52:05,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 14:52:05,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 14:52:05,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:05,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:05,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 14:52:05,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:05,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:05,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130730129] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:05,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:05,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-03-17 14:52:05,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421967940] [2025-03-17 14:52:05,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:05,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 14:52:05,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:05,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 14:52:05,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:52:05,664 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:05,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:05,687 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2025-03-17 14:52:05,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 14:52:05,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-03-17 14:52:05,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:05,688 INFO L225 Difference]: With dead ends: 78 [2025-03-17 14:52:05,688 INFO L226 Difference]: Without dead ends: 77 [2025-03-17 14:52:05,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 14:52:05,689 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 59 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 14:52:05,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 59 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-03-17 14:52:05,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2025-03-17 14:52:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 70 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:05,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2025-03-17 14:52:05,695 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 27 [2025-03-17 14:52:05,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:05,696 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2025-03-17 14:52:05,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:05,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2025-03-17 14:52:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 14:52:05,696 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:05,696 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-03-17 14:52:05,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:05,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:05,897 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:05,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:05,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1528756931, now seen corresponding path program 1 times [2025-03-17 14:52:05,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:05,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664135995] [2025-03-17 14:52:05,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:05,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:05,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 14:52:05,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 14:52:05,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:05,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 14:52:05,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817763791] [2025-03-17 14:52:05,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:05,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:05,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:05,943 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:05,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 14:52:05,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 14:52:05,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 14:52:05,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:05,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:05,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 14:52:05,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:05,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 14:52:05,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:05,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664135995] [2025-03-17 14:52:05,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 14:52:05,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817763791] [2025-03-17 14:52:05,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817763791] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 14:52:05,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 14:52:05,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 14:52:05,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236592829] [2025-03-17 14:52:05,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 14:52:05,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 14:52:05,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:06,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 14:52:06,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:52:06,000 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:06,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:06,028 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2025-03-17 14:52:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 14:52:06,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2025-03-17 14:52:06,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:06,029 INFO L225 Difference]: With dead ends: 71 [2025-03-17 14:52:06,029 INFO L226 Difference]: Without dead ends: 70 [2025-03-17 14:52:06,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 14:52:06,030 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:06,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 22 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 14:52:06,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2025-03-17 14:52:06,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2025-03-17 14:52:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2025-03-17 14:52:06,033 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 30 [2025-03-17 14:52:06,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:06,033 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2025-03-17 14:52:06,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2025-03-17 14:52:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 14:52:06,033 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:06,033 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2025-03-17 14:52:06,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 14:52:06,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:06,239 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:06,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:06,240 INFO L85 PathProgramCache]: Analyzing trace with hash -146824616, now seen corresponding path program 1 times [2025-03-17 14:52:06,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:06,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755643551] [2025-03-17 14:52:06,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:06,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:06,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 14:52:06,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 14:52:06,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:06,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 14:52:06,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733407241] [2025-03-17 14:52:06,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 14:52:06,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:06,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:06,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:06,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 14:52:06,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 14:52:06,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 14:52:06,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 14:52:06,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:06,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 14:52:06,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:06,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:06,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:06,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755643551] [2025-03-17 14:52:06,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 14:52:06,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733407241] [2025-03-17 14:52:06,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733407241] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:06,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 14:52:06,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2025-03-17 14:52:06,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329314404] [2025-03-17 14:52:06,612 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:06,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 14:52:06,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:06,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 14:52:06,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:52:06,613 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:06,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:06,676 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2025-03-17 14:52:06,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 14:52:06,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2025-03-17 14:52:06,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:06,677 INFO L225 Difference]: With dead ends: 94 [2025-03-17 14:52:06,677 INFO L226 Difference]: Without dead ends: 93 [2025-03-17 14:52:06,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-03-17 14:52:06,677 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 22 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:06,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 58 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:52:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2025-03-17 14:52:06,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2025-03-17 14:52:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 83 states have (on average 1.1204819277108433) internal successors, (93), 86 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2025-03-17 14:52:06,685 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 31 [2025-03-17 14:52:06,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:06,685 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2025-03-17 14:52:06,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:06,685 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2025-03-17 14:52:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 14:52:06,685 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:06,685 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1] [2025-03-17 14:52:06,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 14:52:06,886 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,SelfDestructingSolverStorable14 [2025-03-17 14:52:06,886 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:06,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:06,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1096691881, now seen corresponding path program 2 times [2025-03-17 14:52:06,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:06,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875842049] [2025-03-17 14:52:06,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:06,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:06,896 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-03-17 14:52:06,905 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 14:52:06,905 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:06,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:07,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:07,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875842049] [2025-03-17 14:52:07,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875842049] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:07,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560030398] [2025-03-17 14:52:07,011 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:07,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:07,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:07,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:07,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 14:52:07,034 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-03-17 14:52:07,041 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 14:52:07,041 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:07,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:07,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 14:52:07,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:07,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:07,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560030398] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:07,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:07,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 18 [2025-03-17 14:52:07,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341481652] [2025-03-17 14:52:07,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:07,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 14:52:07,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:07,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 14:52:07,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2025-03-17 14:52:07,326 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand has 20 states, 19 states have (on average 5.684210526315789) internal successors, (108), 19 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:07,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:07,465 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2025-03-17 14:52:07,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 14:52:07,466 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.684210526315789) internal successors, (108), 19 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2025-03-17 14:52:07,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:07,466 INFO L225 Difference]: With dead ends: 88 [2025-03-17 14:52:07,466 INFO L226 Difference]: Without dead ends: 87 [2025-03-17 14:52:07,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2025-03-17 14:52:07,467 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 37 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:07,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 109 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:52:07,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-03-17 14:52:07,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-03-17 14:52:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 83 states have (on average 1.0963855421686748) internal successors, (91), 86 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2025-03-17 14:52:07,474 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 36 [2025-03-17 14:52:07,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:07,474 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2025-03-17 14:52:07,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.684210526315789) internal successors, (108), 19 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2025-03-17 14:52:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 14:52:07,475 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:07,475 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1] [2025-03-17 14:52:07,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:07,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-17 14:52:07,679 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:07,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1880583646, now seen corresponding path program 2 times [2025-03-17 14:52:07,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:07,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035431518] [2025-03-17 14:52:07,680 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:07,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:07,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-03-17 14:52:07,694 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 14:52:07,695 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:07,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:07,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:07,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035431518] [2025-03-17 14:52:07,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035431518] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:07,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153453074] [2025-03-17 14:52:07,800 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:07,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:07,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:07,802 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:07,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 14:52:07,820 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-03-17 14:52:07,830 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 14:52:07,830 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:07,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:07,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 14:52:07,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:08,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:08,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153453074] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:08,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:08,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2025-03-17 14:52:08,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953960966] [2025-03-17 14:52:08,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:08,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 14:52:08,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:08,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 14:52:08,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2025-03-17 14:52:08,216 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand has 23 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:08,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:08,399 INFO L93 Difference]: Finished difference Result 109 states and 117 transitions. [2025-03-17 14:52:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 14:52:08,400 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2025-03-17 14:52:08,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:08,401 INFO L225 Difference]: With dead ends: 109 [2025-03-17 14:52:08,401 INFO L226 Difference]: Without dead ends: 108 [2025-03-17 14:52:08,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=286, Invalid=584, Unknown=0, NotChecked=0, Total=870 [2025-03-17 14:52:08,402 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 42 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:08,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 143 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:52:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-03-17 14:52:08,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2025-03-17 14:52:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 103 states have (on average 1.0970873786407767) internal successors, (113), 106 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 113 transitions. [2025-03-17 14:52:08,419 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 113 transitions. Word has length 51 [2025-03-17 14:52:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:08,419 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 113 transitions. [2025-03-17 14:52:08,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2025-03-17 14:52:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-17 14:52:08,421 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:08,421 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1] [2025-03-17 14:52:08,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:08,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-17 14:52:08,622 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:08,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:08,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1368055305, now seen corresponding path program 3 times [2025-03-17 14:52:08,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:08,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637311176] [2025-03-17 14:52:08,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:52:08,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:08,628 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 62 statements into 5 equivalence classes. [2025-03-17 14:52:08,663 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 14:52:08,663 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-17 14:52:08,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:08,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:08,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637311176] [2025-03-17 14:52:08,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637311176] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:08,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216005362] [2025-03-17 14:52:08,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:52:08,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:08,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:08,833 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:08,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 14:52:08,850 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 62 statements into 5 equivalence classes. [2025-03-17 14:52:08,884 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 14:52:08,884 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-17 14:52:08,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:08,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 14:52:08,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:09,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:09,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216005362] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:09,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:09,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 36 [2025-03-17 14:52:09,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742978643] [2025-03-17 14:52:09,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:09,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-03-17 14:52:09,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:09,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-03-17 14:52:09,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=1060, Unknown=0, NotChecked=0, Total=1406 [2025-03-17 14:52:09,581 INFO L87 Difference]: Start difference. First operand 107 states and 113 transitions. Second operand has 38 states, 37 states have (on average 5.027027027027027) internal successors, (186), 37 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:10,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:10,009 INFO L93 Difference]: Finished difference Result 122 states and 127 transitions. [2025-03-17 14:52:10,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 14:52:10,009 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 5.027027027027027) internal successors, (186), 37 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2025-03-17 14:52:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:10,010 INFO L225 Difference]: With dead ends: 122 [2025-03-17 14:52:10,010 INFO L226 Difference]: Without dead ends: 121 [2025-03-17 14:52:10,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=766, Invalid=1886, Unknown=0, NotChecked=0, Total=2652 [2025-03-17 14:52:10,012 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 114 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:10,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 196 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:52:10,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-03-17 14:52:10,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2025-03-17 14:52:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 114 states have (on average 1.0789473684210527) internal successors, (123), 117 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2025-03-17 14:52:10,019 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 62 [2025-03-17 14:52:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:10,019 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2025-03-17 14:52:10,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.027027027027027) internal successors, (186), 37 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2025-03-17 14:52:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-03-17 14:52:10,021 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:10,021 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1] [2025-03-17 14:52:10,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:10,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 14:52:10,226 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:10,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:10,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1250588851, now seen corresponding path program 2 times [2025-03-17 14:52:10,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:10,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677773062] [2025-03-17 14:52:10,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:10,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:10,231 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 66 statements into 2 equivalence classes. [2025-03-17 14:52:10,240 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 14:52:10,241 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:10,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:10,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:10,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677773062] [2025-03-17 14:52:10,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677773062] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:10,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922246246] [2025-03-17 14:52:10,375 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:10,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:10,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:10,376 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:10,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 14:52:10,396 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 66 statements into 2 equivalence classes. [2025-03-17 14:52:10,409 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 66 of 66 statements. [2025-03-17 14:52:10,409 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:10,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:10,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 14:52:10,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 72 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:10,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:10,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922246246] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:10,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 14:52:10,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2025-03-17 14:52:10,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918238036] [2025-03-17 14:52:10,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:10,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-17 14:52:10,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:10,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-17 14:52:10,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2025-03-17 14:52:10,783 INFO L87 Difference]: Start difference. First operand 118 states and 123 transitions. Second operand has 27 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:10,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:10,939 INFO L93 Difference]: Finished difference Result 118 states and 123 transitions. [2025-03-17 14:52:10,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 14:52:10,940 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2025-03-17 14:52:10,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:10,940 INFO L225 Difference]: With dead ends: 118 [2025-03-17 14:52:10,940 INFO L226 Difference]: Without dead ends: 117 [2025-03-17 14:52:10,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=376, Invalid=884, Unknown=0, NotChecked=0, Total=1260 [2025-03-17 14:52:10,941 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 50 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:10,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 200 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 14:52:10,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-17 14:52:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-03-17 14:52:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 114 states have (on average 1.043859649122807) internal successors, (119), 116 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 119 transitions. [2025-03-17 14:52:10,950 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 119 transitions. Word has length 66 [2025-03-17 14:52:10,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:10,950 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 119 transitions. [2025-03-17 14:52:10,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 119 transitions. [2025-03-17 14:52:10,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-17 14:52:10,951 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:10,951 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1] [2025-03-17 14:52:10,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:11,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:11,155 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:11,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:11,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1519141608, now seen corresponding path program 2 times [2025-03-17 14:52:11,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:11,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257048814] [2025-03-17 14:52:11,155 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:11,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:11,162 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-03-17 14:52:11,170 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 14:52:11,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:11,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 14:52:11,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138338540] [2025-03-17 14:52:11,171 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 14:52:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:11,172 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:11,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 14:52:11,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 83 statements into 2 equivalence classes. [2025-03-17 14:52:11,207 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 14:52:11,207 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 14:52:11,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:11,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 14:52:11,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 14:52:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:11,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 14:52:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:11,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:11,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257048814] [2025-03-17 14:52:11,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 14:52:11,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138338540] [2025-03-17 14:52:11,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138338540] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 14:52:11,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 14:52:11,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2025-03-17 14:52:11,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708429221] [2025-03-17 14:52:11,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 14:52:11,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 14:52:11,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 14:52:11,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 14:52:11,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-03-17 14:52:11,560 INFO L87 Difference]: Start difference. First operand 117 states and 119 transitions. Second operand has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 15 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 14:52:11,750 INFO L93 Difference]: Finished difference Result 202 states and 209 transitions. [2025-03-17 14:52:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 14:52:11,750 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 15 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2025-03-17 14:52:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 14:52:11,751 INFO L225 Difference]: With dead ends: 202 [2025-03-17 14:52:11,751 INFO L226 Difference]: Without dead ends: 201 [2025-03-17 14:52:11,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-03-17 14:52:11,751 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 27 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 14:52:11,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 314 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 14:52:11,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2025-03-17 14:52:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 190. [2025-03-17 14:52:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 187 states have (on average 1.0748663101604279) internal successors, (201), 189 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 201 transitions. [2025-03-17 14:52:11,757 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 201 transitions. Word has length 83 [2025-03-17 14:52:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 14:52:11,757 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 201 transitions. [2025-03-17 14:52:11,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 15 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 14:52:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 201 transitions. [2025-03-17 14:52:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 14:52:11,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 14:52:11,758 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 1, 1] [2025-03-17 14:52:11,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 14:52:11,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2025-03-17 14:52:11,958 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-03-17 14:52:11,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 14:52:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash -135092066, now seen corresponding path program 3 times [2025-03-17 14:52:11,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 14:52:11,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733789468] [2025-03-17 14:52:11,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:52:11,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 14:52:11,963 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 103 statements into 8 equivalence classes. [2025-03-17 14:52:11,977 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 14:52:11,978 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-17 14:52:11,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 14:52:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 14:52:12,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 14:52:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733789468] [2025-03-17 14:52:12,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733789468] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 14:52:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140068620] [2025-03-17 14:52:12,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 14:52:12,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 14:52:12,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 14:52:12,359 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 14:52:12,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 14:52:12,378 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 103 statements into 8 equivalence classes.