./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_init4_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/array-examples/standard_init4_ground-1.i -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 84dd450b83ffc0eda27ceeda48a4324978aec0ffc3f50cf64d7cfe4a88062bda --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 09:59:40,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 09:59:40,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 09:59:40,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 09:59:40,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 09:59:40,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 09:59:40,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 09:59:40,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 09:59:40,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 09:59:40,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 09:59:40,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 09:59:40,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 09:59:40,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 09:59:40,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 09:59:40,224 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 09:59:40,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 09:59:40,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 09:59:40,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 09:59:40,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 09:59:40,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 09:59:40,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 09:59:40,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 09:59:40,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 09:59:40,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 09:59:40,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 09:59:40,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 09:59:40,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 09:59:40,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 09:59:40,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 09:59:40,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 09:59:40,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 09:59:40,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 09:59:40,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 09:59:40,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 09:59:40,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:59:40,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 09:59:40,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 09:59:40,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 09:59:40,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 09:59:40,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 09:59:40,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 09:59:40,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 09:59:40,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 09:59:40,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 09:59:40,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84dd450b83ffc0eda27ceeda48a4324978aec0ffc3f50cf64d7cfe4a88062bda [2024-11-19 09:59:40,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 09:59:40,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 09:59:40,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 09:59:40,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 09:59:40,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 09:59:40,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_init4_ground-1.i [2024-11-19 09:59:42,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 09:59:42,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 09:59:42,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init4_ground-1.i [2024-11-19 09:59:42,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb4053f22/660847a3fc5e40ca84330669fd99b768/FLAG9c3810b12 [2024-11-19 09:59:42,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb4053f22/660847a3fc5e40ca84330669fd99b768 [2024-11-19 09:59:42,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 09:59:42,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 09:59:42,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 09:59:42,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 09:59:42,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 09:59:42,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f5b5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42, skipping insertion in model container [2024-11-19 09:59:42,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 09:59:42,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:59:42,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 09:59:42,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 09:59:42,866 INFO L204 MainTranslator]: Completed translation [2024-11-19 09:59:42,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42 WrapperNode [2024-11-19 09:59:42,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 09:59:42,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 09:59:42,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 09:59:42,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 09:59:42,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,899 INFO L138 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-19 09:59:42,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 09:59:42,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 09:59:42,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 09:59:42,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 09:59:42,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,922 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2024-11-19 09:59:42,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 09:59:42,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 09:59:42,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 09:59:42,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 09:59:42,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (1/1) ... [2024-11-19 09:59:42,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 09:59:42,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:59:42,979 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) [2024-11-19 09:59:42,981 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 [2024-11-19 09:59:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 09:59:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 09:59:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 09:59:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 09:59:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 09:59:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 09:59:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 09:59:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 09:59:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 09:59:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 09:59:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 09:59:43,092 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 09:59:43,094 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 09:59:43,250 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-19 09:59:43,250 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 09:59:43,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 09:59:43,262 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-19 09:59:43,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:43 BoogieIcfgContainer [2024-11-19 09:59:43,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 09:59:43,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 09:59:43,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 09:59:43,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 09:59:43,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:59:42" (1/3) ... [2024-11-19 09:59:43,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c548ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:59:43, skipping insertion in model container [2024-11-19 09:59:43,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:59:42" (2/3) ... [2024-11-19 09:59:43,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c548ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:59:43, skipping insertion in model container [2024-11-19 09:59:43,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:43" (3/3) ... [2024-11-19 09:59:43,274 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init4_ground-1.i [2024-11-19 09:59:43,292 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 09:59:43,292 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-19 09:59:43,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 09:59:43,352 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;@7cc56f61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 09:59:43,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-19 09:59:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 30 states have (on average 1.7333333333333334) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:43,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-19 09:59:43,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:43,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-19 09:59:43,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:43,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:43,373 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-19 09:59:43,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:43,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832141887] [2024-11-19 09:59:43,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:43,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:59:43,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:43,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832141887] [2024-11-19 09:59:43,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832141887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:59:43,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:59:43,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:59:43,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202900498] [2024-11-19 09:59:43,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:59:43,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:59:43,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:43,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:59:43,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:59:43,688 INFO L87 Difference]: Start difference. First operand has 41 states, 30 states have (on average 1.7333333333333334) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:43,805 INFO L93 Difference]: Finished difference Result 88 states and 122 transitions. [2024-11-19 09:59:43,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:59:43,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-19 09:59:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:43,814 INFO L225 Difference]: With dead ends: 88 [2024-11-19 09:59:43,814 INFO L226 Difference]: Without dead ends: 46 [2024-11-19 09:59:43,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:59:43,822 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:43,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 47 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 09:59:43,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-19 09:59:43,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-19 09:59:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 45 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2024-11-19 09:59:43,862 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 4 [2024-11-19 09:59:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:43,862 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2024-11-19 09:59:43,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2024-11-19 09:59:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 09:59:43,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:43,865 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-19 09:59:43,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 09:59:43,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:43,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:43,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629419, now seen corresponding path program 1 times [2024-11-19 09:59:43,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:43,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006503870] [2024-11-19 09:59:43,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:43,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:59:43,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:43,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006503870] [2024-11-19 09:59:43,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006503870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 09:59:43,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703365882] [2024-11-19 09:59:43,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:43,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 09:59:43,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:59:43,967 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) [2024-11-19 09:59:43,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 09:59:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:44,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:59:44,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:59:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 09:59:44,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 09:59:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703365882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:59:44,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 09:59:44,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 09:59:44,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261360294] [2024-11-19 09:59:44,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:59:44,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:59:44,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:44,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:59:44,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:59:44,097 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:44,196 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2024-11-19 09:59:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:59:44,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 09:59:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:44,199 INFO L225 Difference]: With dead ends: 46 [2024-11-19 09:59:44,199 INFO L226 Difference]: Without dead ends: 42 [2024-11-19 09:59:44,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 09:59:44,201 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:44,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 34 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 09:59:44,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-19 09:59:44,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-19 09:59:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 41 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2024-11-19 09:59:44,211 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 7 [2024-11-19 09:59:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:44,211 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2024-11-19 09:59:44,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2024-11-19 09:59:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 09:59:44,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:44,213 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-11-19 09:59:44,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 09:59:44,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 09:59:44,414 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:44,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash 294937186, now seen corresponding path program 1 times [2024-11-19 09:59:44,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:44,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694530861] [2024-11-19 09:59:44,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:44,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 09:59:44,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:44,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694530861] [2024-11-19 09:59:44,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694530861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:59:44,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:59:44,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 09:59:44,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16754324] [2024-11-19 09:59:44,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:59:44,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 09:59:44,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:44,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 09:59:44,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:59:44,463 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:44,511 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2024-11-19 09:59:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 09:59:44,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 09:59:44,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:44,515 INFO L225 Difference]: With dead ends: 42 [2024-11-19 09:59:44,515 INFO L226 Difference]: Without dead ends: 38 [2024-11-19 09:59:44,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 09:59:44,517 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:44,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 28 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:59:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-19 09:59:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2024-11-19 09:59:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-19 09:59:44,525 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 8 [2024-11-19 09:59:44,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:44,526 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-19 09:59:44,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-19 09:59:44,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 09:59:44,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:44,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:59:44,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 09:59:44,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:44,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:44,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1252778700, now seen corresponding path program 1 times [2024-11-19 09:59:44,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:44,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209161588] [2024-11-19 09:59:44,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:44,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 09:59:44,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:44,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209161588] [2024-11-19 09:59:44,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209161588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 09:59:44,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561531465] [2024-11-19 09:59:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:44,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 09:59:44,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:59:44,645 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) [2024-11-19 09:59:44,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 09:59:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:44,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 09:59:44,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:59:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 09:59:44,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:59:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 09:59:44,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561531465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:59:44,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 09:59:44,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 09:59:44,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496219693] [2024-11-19 09:59:44,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 09:59:44,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 09:59:44,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:44,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 09:59:44,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 09:59:44,754 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:44,875 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2024-11-19 09:59:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 09:59:44,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-19 09:59:44,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:44,877 INFO L225 Difference]: With dead ends: 90 [2024-11-19 09:59:44,877 INFO L226 Difference]: Without dead ends: 66 [2024-11-19 09:59:44,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 09:59:44,878 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 46 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:44,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 38 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 09:59:44,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-19 09:59:44,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-19 09:59:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 64 states have (on average 1.09375) internal successors, (70), 65 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2024-11-19 09:59:44,892 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 27 [2024-11-19 09:59:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:44,892 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2024-11-19 09:59:44,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2024-11-19 09:59:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 09:59:44,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:44,893 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:59:44,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 09:59:45,094 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,SelfDestructingSolverStorable3 [2024-11-19 09:59:45,094 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:45,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:45,095 INFO L85 PathProgramCache]: Analyzing trace with hash -554864506, now seen corresponding path program 2 times [2024-11-19 09:59:45,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:45,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829553051] [2024-11-19 09:59:45,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:59:45,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:45,126 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 09:59:45,126 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:59:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-19 09:59:45,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:45,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829553051] [2024-11-19 09:59:45,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829553051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:59:45,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:59:45,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:59:45,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442145524] [2024-11-19 09:59:45,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:59:45,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:59:45,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:45,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:59:45,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:59:45,191 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:45,216 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2024-11-19 09:59:45,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:59:45,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-19 09:59:45,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:45,217 INFO L225 Difference]: With dead ends: 74 [2024-11-19 09:59:45,217 INFO L226 Difference]: Without dead ends: 72 [2024-11-19 09:59:45,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:59:45,218 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:45,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 73 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:59:45,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-19 09:59:45,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-19 09:59:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 70 states have (on average 1.0857142857142856) internal successors, (76), 71 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2024-11-19 09:59:45,226 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 63 [2024-11-19 09:59:45,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:45,228 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2024-11-19 09:59:45,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:45,229 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2024-11-19 09:59:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 09:59:45,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:45,232 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:59:45,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 09:59:45,232 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:45,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:45,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2019707468, now seen corresponding path program 1 times [2024-11-19 09:59:45,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:45,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489861428] [2024-11-19 09:59:45,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:45,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-19 09:59:45,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:45,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489861428] [2024-11-19 09:59:45,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489861428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 09:59:45,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724013584] [2024-11-19 09:59:45,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:45,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 09:59:45,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:59:45,501 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) [2024-11-19 09:59:45,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 09:59:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:45,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 09:59:45,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:59:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-19 09:59:45,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:59:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-19 09:59:45,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724013584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:59:45,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 09:59:45,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-19 09:59:45,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486955216] [2024-11-19 09:59:45,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 09:59:45,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 09:59:45,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:45,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 09:59:45,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-19 09:59:45,726 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:45,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:45,973 INFO L93 Difference]: Finished difference Result 201 states and 232 transitions. [2024-11-19 09:59:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 09:59:45,974 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-19 09:59:45,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:45,975 INFO L225 Difference]: With dead ends: 201 [2024-11-19 09:59:45,975 INFO L226 Difference]: Without dead ends: 144 [2024-11-19 09:59:45,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-19 09:59:45,976 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 100 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:45,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 68 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 09:59:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-19 09:59:45,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-19 09:59:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 142 states have (on average 1.0422535211267605) internal successors, (148), 143 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 148 transitions. [2024-11-19 09:59:45,993 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 148 transitions. Word has length 69 [2024-11-19 09:59:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:45,993 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 148 transitions. [2024-11-19 09:59:45,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 148 transitions. [2024-11-19 09:59:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-19 09:59:45,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:45,998 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:59:46,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 09:59:46,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 09:59:46,199 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:46,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:46,199 INFO L85 PathProgramCache]: Analyzing trace with hash -965098892, now seen corresponding path program 2 times [2024-11-19 09:59:46,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:46,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748723117] [2024-11-19 09:59:46,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:59:46,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:46,271 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 09:59:46,273 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:59:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-19 09:59:46,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:46,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748723117] [2024-11-19 09:59:46,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748723117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 09:59:46,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245260219] [2024-11-19 09:59:46,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 09:59:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 09:59:46,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 09:59:46,501 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) [2024-11-19 09:59:46,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 09:59:46,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 09:59:46,652 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 09:59:46,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 09:59:46,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 09:59:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-11-19 09:59:46,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 09:59:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-11-19 09:59:47,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245260219] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 09:59:47,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 09:59:47,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 28 [2024-11-19 09:59:47,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737906320] [2024-11-19 09:59:47,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 09:59:47,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-19 09:59:47,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:47,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-19 09:59:47,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756 [2024-11-19 09:59:47,144 INFO L87 Difference]: Start difference. First operand 144 states and 148 transitions. Second operand has 28 states, 28 states have (on average 4.285714285714286) internal successors, (120), 28 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:47,696 INFO L93 Difference]: Finished difference Result 398 states and 454 transitions. [2024-11-19 09:59:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 09:59:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.285714285714286) internal successors, (120), 28 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2024-11-19 09:59:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:47,700 INFO L225 Difference]: With dead ends: 398 [2024-11-19 09:59:47,700 INFO L226 Difference]: Without dead ends: 287 [2024-11-19 09:59:47,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756 [2024-11-19 09:59:47,702 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 311 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:47,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 90 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 09:59:47,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-19 09:59:47,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2024-11-19 09:59:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.0174825174825175) internal successors, (291), 286 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 291 transitions. [2024-11-19 09:59:47,729 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 291 transitions. Word has length 141 [2024-11-19 09:59:47,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:47,730 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 291 transitions. [2024-11-19 09:59:47,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.285714285714286) internal successors, (120), 28 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 291 transitions. [2024-11-19 09:59:47,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-19 09:59:47,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 09:59:47,734 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 09:59:47,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 09:59:47,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 09:59:47,935 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 09:59:47,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 09:59:47,936 INFO L85 PathProgramCache]: Analyzing trace with hash -637070578, now seen corresponding path program 1 times [2024-11-19 09:59:47,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 09:59:47,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906591324] [2024-11-19 09:59:47,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 09:59:47,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 09:59:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 09:59:48,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2861 trivial. 0 not checked. [2024-11-19 09:59:48,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 09:59:48,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906591324] [2024-11-19 09:59:48,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906591324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 09:59:48,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 09:59:48,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 09:59:48,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2950437] [2024-11-19 09:59:48,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 09:59:48,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 09:59:48,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 09:59:48,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 09:59:48,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:59:48,230 INFO L87 Difference]: Start difference. First operand 287 states and 291 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:48,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 09:59:48,250 INFO L93 Difference]: Finished difference Result 287 states and 291 transitions. [2024-11-19 09:59:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 09:59:48,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 286 [2024-11-19 09:59:48,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 09:59:48,254 INFO L225 Difference]: With dead ends: 287 [2024-11-19 09:59:48,254 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 09:59:48,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 09:59:48,256 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 09:59:48,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 09:59:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 09:59:48,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 09:59:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 09:59:48,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2024-11-19 09:59:48,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 09:59:48,261 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 09:59:48,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 09:59:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 09:59:48,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 09:59:48,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-19 09:59:48,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-19 09:59:48,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-19 09:59:48,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-19 09:59:48,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-19 09:59:48,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-19 09:59:48,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-19 09:59:48,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-19 09:59:48,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-19 09:59:48,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-19 09:59:48,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 09:59:48,282 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-11-19 09:59:48,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 09:59:48,358 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 09:59:48,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:59:48 BoogieIcfgContainer [2024-11-19 09:59:48,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 09:59:48,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 09:59:48,376 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 09:59:48,376 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 09:59:48,377 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:59:43" (3/4) ... [2024-11-19 09:59:48,379 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 09:59:48,386 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 09:59:48,386 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 09:59:48,386 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 09:59:48,387 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 09:59:48,480 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 09:59:48,480 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 09:59:48,481 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 09:59:48,481 INFO L158 Benchmark]: Toolchain (without parser) took 5878.40ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 104.0MB in the beginning and 140.1MB in the end (delta: -36.2MB). Peak memory consumption was 682.0kB. Max. memory is 16.1GB. [2024-11-19 09:59:48,481 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 09:59:48,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.53ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 90.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 09:59:48,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.44ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 89.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 09:59:48,482 INFO L158 Benchmark]: Boogie Preprocessor took 39.80ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 09:59:48,482 INFO L158 Benchmark]: RCFGBuilder took 321.48ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 74.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 09:59:48,483 INFO L158 Benchmark]: TraceAbstraction took 5108.39ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 73.8MB in the beginning and 145.3MB in the end (delta: -71.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. [2024-11-19 09:59:48,483 INFO L158 Benchmark]: Witness Printer took 104.98ms. Allocated memory is still 195.0MB. Free memory was 145.3MB in the beginning and 140.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 09:59:48,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.53ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 90.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.44ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 89.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.80ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.48ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 74.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5108.39ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 73.8MB in the beginning and 145.3MB in the end (delta: -71.4MB). Peak memory consumption was 58.8MB. Max. memory is 16.1GB. * Witness Printer took 104.98ms. Allocated memory is still 195.0MB. Free memory was 145.3MB in the beginning and 140.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 484 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 484 mSDsluCounter, 445 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 336 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 771 IncrementalHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 336 mSolverCounterUnsat, 164 mSDtfsCounter, 771 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 503 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 849 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1071 ConstructedInterpolants, 0 QuantifiedInterpolants, 1367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 4641/5007 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((0 < x) || (x == 0)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-19 09:59:48,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE