./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.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 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:41:58,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:41:58,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:41:58,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:41:58,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:41:58,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:41:58,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:41:58,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:41:58,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:41:58,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:41:58,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:41:58,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:41:58,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:41:58,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:41:58,173 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:41:58,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:41:58,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:41:58,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:41:58,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:41:58,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:41:58,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:41:58,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:41:58,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:41:58,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:41:58,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:41:58,177 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:41:58,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:41:58,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:41:58,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:41:58,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:41:58,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:41:58,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:41:58,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:41:58,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:41:58,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:41:58,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:41:58,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:41:58,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:41:58,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:41:58,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:41:58,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:41:58,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:41:58,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:41:58,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:41:58,182 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 [2024-10-24 20:41:58,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:41:58,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:41:58,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:41:58,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:41:58,444 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:41:58,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2024-10-24 20:41:59,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:42:00,077 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:42:00,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2024-10-24 20:42:00,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054eda0eb/1a68cffd146a451c9a0382a85c6ca899/FLAG6e4c8cb82 [2024-10-24 20:42:00,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054eda0eb/1a68cffd146a451c9a0382a85c6ca899 [2024-10-24 20:42:00,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:42:00,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:42:00,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:42:00,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:42:00,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:42:00,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219d2428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00, skipping insertion in model container [2024-10-24 20:42:00,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:42:00,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:42:00,324 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:42:00,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:42:00,355 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:42:00,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00 WrapperNode [2024-10-24 20:42:00,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:42:00,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:42:00,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:42:00,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:42:00,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,383 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-10-24 20:42:00,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:42:00,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:42:00,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:42:00,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:42:00,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,401 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:42:00,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:42:00,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:42:00,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:42:00,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:42:00,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (1/1) ... [2024-10-24 20:42:00,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:42:00,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:00,449 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) [2024-10-24 20:42:00,453 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 [2024-10-24 20:42:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:42:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:42:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:42:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:42:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-10-24 20:42:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-10-24 20:42:00,548 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:42:00,550 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:42:00,635 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-24 20:42:00,636 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:42:00,662 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:42:00,662 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 20:42:00,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:42:00 BoogieIcfgContainer [2024-10-24 20:42:00,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:42:00,665 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:42:00,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:42:00,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:42:00,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:42:00" (1/3) ... [2024-10-24 20:42:00,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd8c687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:42:00, skipping insertion in model container [2024-10-24 20:42:00,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:42:00" (2/3) ... [2024-10-24 20:42:00,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd8c687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:42:00, skipping insertion in model container [2024-10-24 20:42:00,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:42:00" (3/3) ... [2024-10-24 20:42:00,671 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i25_o25-1.c [2024-10-24 20:42:00,687 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:42:00,687 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-24 20:42:00,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:42:00,741 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;@23e92004, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:42:00,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-24 20:42:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:42:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-24 20:42:00,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:00,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-24 20:42:00,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:00,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:00,756 INFO L85 PathProgramCache]: Analyzing trace with hash 63799541, now seen corresponding path program 1 times [2024-10-24 20:42:00,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:00,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286709317] [2024-10-24 20:42:00,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:00,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:01,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:01,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286709317] [2024-10-24 20:42:01,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286709317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:42:01,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:42:01,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:42:01,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561769711] [2024-10-24 20:42:01,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:42:01,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:42:01,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:01,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:42:01,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:42:01,137 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:01,248 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2024-10-24 20:42:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:42:01,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-24 20:42:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:01,256 INFO L225 Difference]: With dead ends: 40 [2024-10-24 20:42:01,257 INFO L226 Difference]: Without dead ends: 27 [2024-10-24 20:42:01,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:42:01,265 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:01,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 50 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:42:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-24 20:42:01,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2024-10-24 20:42:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 19 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:42:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2024-10-24 20:42:01,303 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 5 [2024-10-24 20:42:01,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:01,303 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-10-24 20:42:01,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-10-24 20:42:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 20:42:01,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:01,305 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 20:42:01,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:42:01,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:01,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:01,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1977785826, now seen corresponding path program 1 times [2024-10-24 20:42:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729100023] [2024-10-24 20:42:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:01,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:01,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:01,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729100023] [2024-10-24 20:42:01,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729100023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:42:01,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:42:01,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:42:01,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771264208] [2024-10-24 20:42:01,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:42:01,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:42:01,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:01,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:42:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:42:01,410 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:01,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:01,475 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2024-10-24 20:42:01,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:42:01,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 20:42:01,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:01,478 INFO L225 Difference]: With dead ends: 26 [2024-10-24 20:42:01,478 INFO L226 Difference]: Without dead ends: 25 [2024-10-24 20:42:01,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:42:01,481 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:01,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 19 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:42:01,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-24 20:42:01,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-10-24 20:42:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 20:42:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-24 20:42:01,493 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 6 [2024-10-24 20:42:01,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:01,493 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-24 20:42:01,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-10-24 20:42:01,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 20:42:01,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:01,495 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 20:42:01,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:42:01,495 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:01,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:01,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1708859346, now seen corresponding path program 1 times [2024-10-24 20:42:01,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:01,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861522673] [2024-10-24 20:42:01,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:01,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:01,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:01,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861522673] [2024-10-24 20:42:01,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861522673] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:01,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736658491] [2024-10-24 20:42:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:01,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:01,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:01,633 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) [2024-10-24 20:42:01,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:42:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:01,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:42:01,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:01,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:01,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736658491] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:01,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:01,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-24 20:42:01,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103170041] [2024-10-24 20:42:01,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:01,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:42:01,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:01,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:42:01,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:42:01,862 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:02,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:02,043 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2024-10-24 20:42:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:42:02,045 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-24 20:42:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:02,046 INFO L225 Difference]: With dead ends: 75 [2024-10-24 20:42:02,047 INFO L226 Difference]: Without dead ends: 67 [2024-10-24 20:42:02,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:42:02,051 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 88 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:02,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 100 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:42:02,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-24 20:42:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 53. [2024-10-24 20:42:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.325) internal successors, (53), 42 states have internal predecessors, (53), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:42:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-10-24 20:42:02,072 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 10 [2024-10-24 20:42:02,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:02,072 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-10-24 20:42:02,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-10-24 20:42:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-24 20:42:02,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:02,075 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:42:02,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 20:42:02,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:02,276 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:02,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:02,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1465280389, now seen corresponding path program 1 times [2024-10-24 20:42:02,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:02,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253652426] [2024-10-24 20:42:02,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:02,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 20:42:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-24 20:42:02,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:02,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253652426] [2024-10-24 20:42:02,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253652426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:42:02,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:42:02,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:42:02,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768635350] [2024-10-24 20:42:02,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:42:02,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:42:02,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:02,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:42:02,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:42:02,368 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:42:02,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:02,393 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2024-10-24 20:42:02,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:42:02,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-24 20:42:02,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:02,395 INFO L225 Difference]: With dead ends: 73 [2024-10-24 20:42:02,396 INFO L226 Difference]: Without dead ends: 71 [2024-10-24 20:42:02,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:42:02,397 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:02,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:42:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-24 20:42:02,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-24 20:42:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 20:42:02,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2024-10-24 20:42:02,419 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 18 [2024-10-24 20:42:02,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:02,420 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2024-10-24 20:42:02,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:42:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2024-10-24 20:42:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-24 20:42:02,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:02,423 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-24 20:42:02,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 20:42:02,423 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:02,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:02,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2013219646, now seen corresponding path program 1 times [2024-10-24 20:42:02,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:02,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132563933] [2024-10-24 20:42:02,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:02,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:42:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:42:02,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:02,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132563933] [2024-10-24 20:42:02,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132563933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:42:02,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:42:02,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:42:02,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781408836] [2024-10-24 20:42:02,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:42:02,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:42:02,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:02,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:42:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:42:02,489 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:42:02,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:02,508 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2024-10-24 20:42:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:42:02,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-24 20:42:02,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:02,513 INFO L225 Difference]: With dead ends: 71 [2024-10-24 20:42:02,514 INFO L226 Difference]: Without dead ends: 70 [2024-10-24 20:42:02,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:42:02,515 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:02,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:42:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-24 20:42:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-24 20:42:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 20:42:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2024-10-24 20:42:02,538 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 23 [2024-10-24 20:42:02,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:02,538 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2024-10-24 20:42:02,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 20:42:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2024-10-24 20:42:02,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-24 20:42:02,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:02,540 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2024-10-24 20:42:02,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:42:02,540 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:02,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:02,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1685904693, now seen corresponding path program 2 times [2024-10-24 20:42:02,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:02,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823556238] [2024-10-24 20:42:02,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:02,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:02,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:02,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823556238] [2024-10-24 20:42:02,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823556238] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:02,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759236575] [2024-10-24 20:42:02,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:42:02,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:02,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:02,773 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) [2024-10-24 20:42:02,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:42:02,815 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:42:02,816 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:02,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 20:42:02,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:02,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:03,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759236575] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:03,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:03,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-10-24 20:42:03,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882708702] [2024-10-24 20:42:03,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:03,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 20:42:03,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:03,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 20:42:03,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:42:03,106 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:03,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:03,483 INFO L93 Difference]: Finished difference Result 187 states and 203 transitions. [2024-10-24 20:42:03,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 20:42:03,484 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-24 20:42:03,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:03,485 INFO L225 Difference]: With dead ends: 187 [2024-10-24 20:42:03,486 INFO L226 Difference]: Without dead ends: 155 [2024-10-24 20:42:03,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 20:42:03,489 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 280 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:03,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 215 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:42:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-24 20:42:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2024-10-24 20:42:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 115 states have internal predecessors, (132), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-10-24 20:42:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 162 transitions. [2024-10-24 20:42:03,521 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 162 transitions. Word has length 25 [2024-10-24 20:42:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:03,522 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 162 transitions. [2024-10-24 20:42:03,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 162 transitions. [2024-10-24 20:42:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 20:42:03,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:03,523 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-24 20:42:03,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 20:42:03,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 20:42:03,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:03,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:03,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1776865054, now seen corresponding path program 1 times [2024-10-24 20:42:03,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:03,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086029604] [2024-10-24 20:42:03,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:03,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:03,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 20:42:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-24 20:42:03,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:03,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086029604] [2024-10-24 20:42:03,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086029604] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:03,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130494087] [2024-10-24 20:42:03,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:03,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:03,856 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) [2024-10-24 20:42:03,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:42:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:03,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:42:03,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 20:42:04,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 20:42:04,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130494087] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:04,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:04,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-10-24 20:42:04,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294320588] [2024-10-24 20:42:04,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:04,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-24 20:42:04,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:04,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-24 20:42:04,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:42:04,501 INFO L87 Difference]: Start difference. First operand 145 states and 162 transitions. Second operand has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-24 20:42:04,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:04,911 INFO L93 Difference]: Finished difference Result 207 states and 226 transitions. [2024-10-24 20:42:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 20:42:04,912 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 39 [2024-10-24 20:42:04,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:04,913 INFO L225 Difference]: With dead ends: 207 [2024-10-24 20:42:04,913 INFO L226 Difference]: Without dead ends: 141 [2024-10-24 20:42:04,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-10-24 20:42:04,915 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 187 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:04,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 351 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:42:04,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-24 20:42:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2024-10-24 20:42:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 106 states have (on average 1.1132075471698113) internal successors, (118), 105 states have internal predecessors, (118), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-10-24 20:42:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2024-10-24 20:42:04,930 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 39 [2024-10-24 20:42:04,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:04,931 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2024-10-24 20:42:04,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-24 20:42:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2024-10-24 20:42:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:42:04,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:04,933 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2024-10-24 20:42:04,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:42:05,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:05,137 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:05,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:05,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2091957141, now seen corresponding path program 3 times [2024-10-24 20:42:05,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:05,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262526466] [2024-10-24 20:42:05,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:05,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:05,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:05,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262526466] [2024-10-24 20:42:05,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262526466] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:05,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968290451] [2024-10-24 20:42:05,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:42:05,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:05,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:05,607 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) [2024-10-24 20:42:05,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:42:05,656 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-24 20:42:05,656 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:05,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-24 20:42:05,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:05,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:06,377 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:06,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968290451] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:06,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:06,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-10-24 20:42:06,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364363612] [2024-10-24 20:42:06,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:06,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-24 20:42:06,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:06,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-24 20:42:06,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-10-24 20:42:06,385 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:07,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:07,185 INFO L93 Difference]: Finished difference Result 437 states and 469 transitions. [2024-10-24 20:42:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-24 20:42:07,185 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-10-24 20:42:07,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:07,188 INFO L225 Difference]: With dead ends: 437 [2024-10-24 20:42:07,188 INFO L226 Difference]: Without dead ends: 385 [2024-10-24 20:42:07,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-10-24 20:42:07,191 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 610 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:07,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 549 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:42:07,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-24 20:42:07,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 363. [2024-10-24 20:42:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 290 states have (on average 1.1206896551724137) internal successors, (325), 289 states have internal predecessors, (325), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-10-24 20:42:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 399 transitions. [2024-10-24 20:42:07,221 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 399 transitions. Word has length 55 [2024-10-24 20:42:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:07,222 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 399 transitions. [2024-10-24 20:42:07,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 399 transitions. [2024-10-24 20:42:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 20:42:07,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:07,226 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-24 20:42:07,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 20:42:07,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:07,427 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:07,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:07,427 INFO L85 PathProgramCache]: Analyzing trace with hash -543530731, now seen corresponding path program 2 times [2024-10-24 20:42:07,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:07,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648882195] [2024-10-24 20:42:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 20:42:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 20:42:07,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:07,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648882195] [2024-10-24 20:42:07,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648882195] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:07,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615866415] [2024-10-24 20:42:07,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:42:07,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:07,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:07,920 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) [2024-10-24 20:42:07,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:42:07,969 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:42:07,970 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:07,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-24 20:42:07,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-24 20:42:08,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 20:42:08,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615866415] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:08,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:08,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 50 [2024-10-24 20:42:08,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137418195] [2024-10-24 20:42:08,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:08,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-24 20:42:08,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:08,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-24 20:42:08,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=1965, Unknown=0, NotChecked=0, Total=2450 [2024-10-24 20:42:08,878 INFO L87 Difference]: Start difference. First operand 363 states and 399 transitions. Second operand has 50 states, 48 states have (on average 2.25) internal successors, (108), 31 states have internal predecessors, (108), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-24 20:42:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:09,466 INFO L93 Difference]: Finished difference Result 480 states and 515 transitions. [2024-10-24 20:42:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-24 20:42:09,467 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 48 states have (on average 2.25) internal successors, (108), 31 states have internal predecessors, (108), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 74 [2024-10-24 20:42:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:09,471 INFO L225 Difference]: With dead ends: 480 [2024-10-24 20:42:09,475 INFO L226 Difference]: Without dead ends: 289 [2024-10-24 20:42:09,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1144, Invalid=3686, Unknown=0, NotChecked=0, Total=4830 [2024-10-24 20:42:09,478 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 379 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:09,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 879 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:42:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-24 20:42:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 263. [2024-10-24 20:42:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 210 states have (on average 1.119047619047619) internal successors, (235), 209 states have internal predecessors, (235), 24 states have call successors, (24), 23 states have call predecessors, (24), 27 states have return successors, (30), 30 states have call predecessors, (30), 23 states have call successors, (30) [2024-10-24 20:42:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 289 transitions. [2024-10-24 20:42:09,529 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 289 transitions. Word has length 74 [2024-10-24 20:42:09,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:09,530 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 289 transitions. [2024-10-24 20:42:09,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 48 states have (on average 2.25) internal successors, (108), 31 states have internal predecessors, (108), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-24 20:42:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 289 transitions. [2024-10-24 20:42:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 20:42:09,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:09,535 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2024-10-24 20:42:09,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:42:09,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:09,736 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:09,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:09,736 INFO L85 PathProgramCache]: Analyzing trace with hash 764821589, now seen corresponding path program 4 times [2024-10-24 20:42:09,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:09,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906110249] [2024-10-24 20:42:09,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:09,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:10,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:10,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906110249] [2024-10-24 20:42:10,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906110249] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:10,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966177457] [2024-10-24 20:42:10,901 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 20:42:10,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:10,905 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) [2024-10-24 20:42:10,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:42:10,960 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 20:42:10,960 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:10,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-24 20:42:10,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:11,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:13,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966177457] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:13,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:13,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2024-10-24 20:42:13,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427252946] [2024-10-24 20:42:13,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:13,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-24 20:42:13,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:13,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-24 20:42:13,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-10-24 20:42:13,041 INFO L87 Difference]: Start difference. First operand 263 states and 289 transitions. Second operand has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:14,965 INFO L93 Difference]: Finished difference Result 891 states and 960 transitions. [2024-10-24 20:42:14,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-24 20:42:14,965 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-24 20:42:14,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:14,969 INFO L225 Difference]: With dead ends: 891 [2024-10-24 20:42:14,969 INFO L226 Difference]: Without dead ends: 769 [2024-10-24 20:42:14,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-10-24 20:42:14,974 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1463 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:14,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 1101 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:42:14,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-10-24 20:42:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 723. [2024-10-24 20:42:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 578 states have (on average 1.1228373702422145) internal successors, (649), 577 states have internal predecessors, (649), 48 states have call successors, (48), 47 states have call predecessors, (48), 95 states have return successors, (98), 98 states have call predecessors, (98), 47 states have call successors, (98) [2024-10-24 20:42:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 795 transitions. [2024-10-24 20:42:15,014 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 795 transitions. Word has length 115 [2024-10-24 20:42:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:15,015 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 795 transitions. [2024-10-24 20:42:15,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 795 transitions. [2024-10-24 20:42:15,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-24 20:42:15,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:15,019 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-24 20:42:15,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 20:42:15,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:15,220 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:15,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:15,221 INFO L85 PathProgramCache]: Analyzing trace with hash 511648853, now seen corresponding path program 3 times [2024-10-24 20:42:15,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:15,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696158778] [2024-10-24 20:42:15,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:15,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 20:42:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:16,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 6 proven. 1313 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 20:42:16,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:16,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696158778] [2024-10-24 20:42:16,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696158778] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:16,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224888360] [2024-10-24 20:42:16,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:42:16,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:16,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:16,579 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) [2024-10-24 20:42:16,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:42:16,626 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-24 20:42:16,626 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:16,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 20:42:16,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-10-24 20:42:16,811 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-10-24 20:42:17,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224888360] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:17,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:17,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 7, 7] total 62 [2024-10-24 20:42:17,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621062021] [2024-10-24 20:42:17,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:17,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-10-24 20:42:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:17,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-10-24 20:42:17,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=3206, Unknown=0, NotChecked=0, Total=3782 [2024-10-24 20:42:17,082 INFO L87 Difference]: Start difference. First operand 723 states and 795 transitions. Second operand has 62 states, 61 states have (on average 2.19672131147541) internal successors, (134), 41 states have internal predecessors, (134), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:42:18,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:18,582 INFO L93 Difference]: Finished difference Result 1392 states and 1576 transitions. [2024-10-24 20:42:18,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-24 20:42:18,583 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 2.19672131147541) internal successors, (134), 41 states have internal predecessors, (134), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9) Word has length 134 [2024-10-24 20:42:18,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:18,603 INFO L225 Difference]: With dead ends: 1392 [2024-10-24 20:42:18,605 INFO L226 Difference]: Without dead ends: 1276 [2024-10-24 20:42:18,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2208 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1572, Invalid=9140, Unknown=0, NotChecked=0, Total=10712 [2024-10-24 20:42:18,608 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 572 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:18,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1249 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 20:42:18,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2024-10-24 20:42:18,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1255. [2024-10-24 20:42:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1006 states have (on average 1.0695825049701788) internal successors, (1076), 1001 states have internal predecessors, (1076), 48 states have call successors, (48), 47 states have call predecessors, (48), 199 states have return successors, (206), 206 states have call predecessors, (206), 47 states have call successors, (206) [2024-10-24 20:42:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1330 transitions. [2024-10-24 20:42:18,671 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1330 transitions. Word has length 134 [2024-10-24 20:42:18,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:18,671 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1330 transitions. [2024-10-24 20:42:18,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 2.19672131147541) internal successors, (134), 41 states have internal predecessors, (134), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:42:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1330 transitions. [2024-10-24 20:42:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-24 20:42:18,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:18,676 INFO L215 NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-24 20:42:18,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 20:42:18,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:18,878 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:18,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:18,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1021045208, now seen corresponding path program 4 times [2024-10-24 20:42:18,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:18,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035901905] [2024-10-24 20:42:18,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:18,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 20:42:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:19,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:20,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:20,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1434 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-24 20:42:20,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:20,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035901905] [2024-10-24 20:42:20,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035901905] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:20,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870099648] [2024-10-24 20:42:20,267 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 20:42:20,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:20,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:20,269 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) [2024-10-24 20:42:20,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:42:20,341 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 20:42:20,341 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:20,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-24 20:42:20,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1428 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-10-24 20:42:20,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1494 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-24 20:42:22,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870099648] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:22,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:22,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 53] total 57 [2024-10-24 20:42:22,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669277129] [2024-10-24 20:42:22,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:22,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-10-24 20:42:22,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:22,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-10-24 20:42:22,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=2562, Unknown=0, NotChecked=0, Total=3192 [2024-10-24 20:42:22,744 INFO L87 Difference]: Start difference. First operand 1255 states and 1330 transitions. Second operand has 57 states, 56 states have (on average 2.482142857142857) internal successors, (139), 38 states have internal predecessors, (139), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2024-10-24 20:42:23,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:23,440 INFO L93 Difference]: Finished difference Result 1420 states and 1494 transitions. [2024-10-24 20:42:23,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-24 20:42:23,441 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 2.482142857142857) internal successors, (139), 38 states have internal predecessors, (139), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 159 [2024-10-24 20:42:23,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:23,447 INFO L225 Difference]: With dead ends: 1420 [2024-10-24 20:42:23,447 INFO L226 Difference]: Without dead ends: 1299 [2024-10-24 20:42:23,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 276 SyntacticMatches, 44 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2778 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1449, Invalid=5031, Unknown=0, NotChecked=0, Total=6480 [2024-10-24 20:42:23,449 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 448 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:23,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 960 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:42:23,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2024-10-24 20:42:23,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1225. [2024-10-24 20:42:23,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 982 states have (on average 1.070264765784114) internal successors, (1051), 977 states have internal predecessors, (1051), 48 states have call successors, (48), 47 states have call predecessors, (48), 193 states have return successors, (200), 200 states have call predecessors, (200), 47 states have call successors, (200) [2024-10-24 20:42:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1299 transitions. [2024-10-24 20:42:23,507 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1299 transitions. Word has length 159 [2024-10-24 20:42:23,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:23,508 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1299 transitions. [2024-10-24 20:42:23,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 2.482142857142857) internal successors, (139), 38 states have internal predecessors, (139), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2024-10-24 20:42:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1299 transitions. [2024-10-24 20:42:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-24 20:42:23,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:23,510 INFO L215 NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-24 20:42:23,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:42:23,711 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,SelfDestructingSolverStorable11 [2024-10-24 20:42:23,712 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:23,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:23,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1697337739, now seen corresponding path program 5 times [2024-10-24 20:42:23,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:23,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472666656] [2024-10-24 20:42:23,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:23,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 20:42:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:23,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:23,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:24,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 25 proven. 105 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2024-10-24 20:42:24,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:24,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472666656] [2024-10-24 20:42:24,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472666656] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:24,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299387528] [2024-10-24 20:42:24,161 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 20:42:24,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:24,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:24,163 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) [2024-10-24 20:42:24,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:42:24,273 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-10-24 20:42:24,274 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:24,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 20:42:24,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-24 20:42:24,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-24 20:42:25,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299387528] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:25,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:25,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-10-24 20:42:25,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20076799] [2024-10-24 20:42:25,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:25,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-24 20:42:25,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:25,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-24 20:42:25,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-10-24 20:42:25,443 INFO L87 Difference]: Start difference. First operand 1225 states and 1299 transitions. Second operand has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 20:42:25,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:25,862 INFO L93 Difference]: Finished difference Result 2510 states and 2851 transitions. [2024-10-24 20:42:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-24 20:42:25,863 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2024-10-24 20:42:25,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:25,873 INFO L225 Difference]: With dead ends: 2510 [2024-10-24 20:42:25,873 INFO L226 Difference]: Without dead ends: 2509 [2024-10-24 20:42:25,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-10-24 20:42:25,875 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 63 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:25,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 34 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:42:25,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2024-10-24 20:42:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2509. [2024-10-24 20:42:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2014 states have (on average 1.0342601787487586) internal successors, (2083), 2001 states have internal predecessors, (2083), 48 states have call successors, (48), 47 states have call predecessors, (48), 445 states have return successors, (460), 460 states have call predecessors, (460), 47 states have call successors, (460) [2024-10-24 20:42:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 2591 transitions. [2024-10-24 20:42:26,001 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 2591 transitions. Word has length 164 [2024-10-24 20:42:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:26,002 INFO L471 AbstractCegarLoop]: Abstraction has 2509 states and 2591 transitions. [2024-10-24 20:42:26,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-10-24 20:42:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 2591 transitions. [2024-10-24 20:42:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-24 20:42:26,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:26,006 INFO L215 NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2024-10-24 20:42:26,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 20:42:26,208 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,SelfDestructingSolverStorable12 [2024-10-24 20:42:26,208 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:26,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:26,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2034573579, now seen corresponding path program 6 times [2024-10-24 20:42:26,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:26,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2223593] [2024-10-24 20:42:26,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:26,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:26,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 20:42:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:26,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:26,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2075 backedges. 25 proven. 525 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked. [2024-10-24 20:42:27,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:27,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2223593] [2024-10-24 20:42:27,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2223593] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:27,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297223498] [2024-10-24 20:42:27,840 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-24 20:42:27,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:27,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:27,842 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) [2024-10-24 20:42:27,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:42:27,972 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s) [2024-10-24 20:42:27,973 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:27,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 20:42:27,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2075 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-24 20:42:28,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2075 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-10-24 20:42:38,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297223498] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:38,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:38,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-10-24 20:42:38,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862607151] [2024-10-24 20:42:38,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:38,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-24 20:42:38,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:38,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-24 20:42:38,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-10-24 20:42:38,946 INFO L87 Difference]: Start difference. First operand 2509 states and 2591 transitions. Second operand has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 20:42:39,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:39,952 INFO L93 Difference]: Finished difference Result 5963 states and 6751 transitions. [2024-10-24 20:42:39,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-24 20:42:39,952 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-24 20:42:39,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:39,971 INFO L225 Difference]: With dead ends: 5963 [2024-10-24 20:42:39,971 INFO L226 Difference]: Without dead ends: 5137 [2024-10-24 20:42:39,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-10-24 20:42:39,976 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 127 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:39,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 59 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:42:39,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5137 states. [2024-10-24 20:42:40,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 5137. [2024-10-24 20:42:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 4126 states have (on average 1.0152690256907417) internal successors, (4189), 4097 states have internal predecessors, (4189), 48 states have call successors, (48), 47 states have call predecessors, (48), 961 states have return successors, (992), 992 states have call predecessors, (992), 47 states have call successors, (992) [2024-10-24 20:42:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 5229 transitions. [2024-10-24 20:42:40,238 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 5229 transitions. Word has length 204 [2024-10-24 20:42:40,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:40,239 INFO L471 AbstractCegarLoop]: Abstraction has 5137 states and 5229 transitions. [2024-10-24 20:42:40,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 20:42:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 5229 transitions. [2024-10-24 20:42:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-24 20:42:40,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:40,244 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1] [2024-10-24 20:42:40,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 20:42:40,448 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,SelfDestructingSolverStorable13 [2024-10-24 20:42:40,449 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:40,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:40,449 INFO L85 PathProgramCache]: Analyzing trace with hash -587175467, now seen corresponding path program 5 times [2024-10-24 20:42:40,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:40,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784252725] [2024-10-24 20:42:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:44,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:42:44,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784252725] [2024-10-24 20:42:44,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784252725] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:42:44,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592017248] [2024-10-24 20:42:44,171 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 20:42:44,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:42:44,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:42:44,172 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) [2024-10-24 20:42:44,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:42:44,504 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-24 20:42:44,505 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:42:44,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-10-24 20:42:44,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:42:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:44,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:42:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:42:51,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592017248] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:42:51,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:42:51,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2024-10-24 20:42:51,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412708519] [2024-10-24 20:42:51,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:42:51,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-10-24 20:42:51,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:42:51,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-10-24 20:42:51,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-10-24 20:42:51,128 INFO L87 Difference]: Start difference. First operand 5137 states and 5229 transitions. Second operand has 192 states, 189 states have (on average 1.9894179894179893) internal successors, (376), 97 states have internal predecessors, (376), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:42:52,521 INFO L93 Difference]: Finished difference Result 5162 states and 5229 transitions. [2024-10-24 20:42:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-24 20:42:52,521 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 1.9894179894179893) internal successors, (376), 97 states have internal predecessors, (376), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235 [2024-10-24 20:42:52,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:42:52,542 INFO L225 Difference]: With dead ends: 5162 [2024-10-24 20:42:52,542 INFO L226 Difference]: Without dead ends: 5161 [2024-10-24 20:42:52,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11393 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=13906, Invalid=33836, Unknown=0, NotChecked=0, Total=47742 [2024-10-24 20:42:52,548 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 652 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:42:52,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 892 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:42:52,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5161 states. [2024-10-24 20:42:52,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5161 to 5136. [2024-10-24 20:42:52,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5136 states, 4126 states have (on average 1.0150266602035871) internal successors, (4188), 4096 states have internal predecessors, (4188), 48 states have call successors, (48), 47 states have call predecessors, (48), 961 states have return successors, (992), 992 states have call predecessors, (992), 47 states have call successors, (992) [2024-10-24 20:42:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5136 states to 5136 states and 5228 transitions. [2024-10-24 20:42:52,943 INFO L78 Accepts]: Start accepts. Automaton has 5136 states and 5228 transitions. Word has length 235 [2024-10-24 20:42:52,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:42:52,944 INFO L471 AbstractCegarLoop]: Abstraction has 5136 states and 5228 transitions. [2024-10-24 20:42:52,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 1.9894179894179893) internal successors, (376), 97 states have internal predecessors, (376), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:42:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5136 states and 5228 transitions. [2024-10-24 20:42:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-24 20:42:52,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:42:52,955 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 31, 31, 30, 1, 1, 1, 1] [2024-10-24 20:42:52,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:42:53,156 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,SelfDestructingSolverStorable14 [2024-10-24 20:42:53,157 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 20:42:53,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:42:53,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2038875541, now seen corresponding path program 7 times [2024-10-24 20:42:53,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:42:53,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998994811] [2024-10-24 20:42:53,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:42:53,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:42:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:53,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 20:42:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:55,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:56,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:56,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:57,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:57,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:58,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:58,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:58,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:58,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:59,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:59,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:59,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:59,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:42:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:42:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 20:43:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 31 proven. 2325 refuted. 0 times theorem prover too weak. 2356 trivial. 0 not checked. [2024-10-24 20:43:00,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:43:00,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998994811] [2024-10-24 20:43:00,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998994811] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:43:00,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225883235] [2024-10-24 20:43:00,972 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-24 20:43:00,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:43:00,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:43:00,974 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) [2024-10-24 20:43:00,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:43:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:43:01,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-24 20:43:01,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:43:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2325 proven. 152 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-10-24 20:43:02,760 INFO L311 TraceCheckSpWp]: Computing backward predicates...