./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 591c54adc1121b083de0b200a5c7316453eb36621d8c8961d0757a9a42767e91 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 14:53:37,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 14:53:37,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 14:53:37,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 14:53:37,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 14:53:37,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 14:53:37,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 14:53:37,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 14:53:37,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 14:53:37,940 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 14:53:37,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 14:53:37,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 14:53:37,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 14:53:37,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 14:53:37,943 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 14:53:37,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 14:53:37,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 14:53:37,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 14:53:37,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 14:53:37,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 14:53:37,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 14:53:37,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 14:53:37,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 14:53:37,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 14:53:37,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 14:53:37,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 14:53:37,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 14:53:37,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 14:53:37,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 14:53:37,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 14:53:37,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 14:53:37,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:53:37,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 14:53:37,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 14:53:37,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 14:53:37,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 14:53:37,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 14:53:37,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 14:53:37,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 14:53:37,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 14:53:37,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 14:53:37,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 591c54adc1121b083de0b200a5c7316453eb36621d8c8961d0757a9a42767e91 [2024-10-13 14:53:38,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 14:53:38,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 14:53:38,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 14:53:38,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 14:53:38,240 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 14:53:38,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i [2024-10-13 14:53:39,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 14:53:40,037 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 14:53:40,039 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_03_good.i [2024-10-13 14:53:40,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0663d8d1b/45f7d42e68cc41b8b7b032b2652f025e/FLAG5adcac1c6 [2024-10-13 14:53:40,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0663d8d1b/45f7d42e68cc41b8b7b032b2652f025e [2024-10-13 14:53:40,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 14:53:40,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 14:53:40,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 14:53:40,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 14:53:40,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 14:53:40,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:53:40" (1/1) ... [2024-10-13 14:53:40,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558881a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:40, skipping insertion in model container [2024-10-13 14:53:40,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:53:40" (1/1) ... [2024-10-13 14:53:40,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 14:53:40,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:53:40,959 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 14:53:41,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:53:41,141 INFO L204 MainTranslator]: Completed translation [2024-10-13 14:53:41,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41 WrapperNode [2024-10-13 14:53:41,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 14:53:41,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 14:53:41,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 14:53:41,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 14:53:41,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,208 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 97 [2024-10-13 14:53:41,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 14:53:41,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 14:53:41,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 14:53:41,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 14:53:41,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,230 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-13 14:53:41,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 14:53:41,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 14:53:41,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 14:53:41,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 14:53:41,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (1/1) ... [2024-10-13 14:53:41,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:53:41,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:53:41,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 14:53:41,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 14:53:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-13 14:53:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-13 14:53:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-13 14:53:41,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-13 14:53:41,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 14:53:41,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 14:53:41,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 14:53:41,489 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 14:53:41,491 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 14:53:41,657 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-13 14:53:41,658 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 14:53:41,724 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 14:53:41,724 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-13 14:53:41,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:53:41 BoogieIcfgContainer [2024-10-13 14:53:41,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 14:53:41,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 14:53:41,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 14:53:41,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 14:53:41,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:53:40" (1/3) ... [2024-10-13 14:53:41,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf2acf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:53:41, skipping insertion in model container [2024-10-13 14:53:41,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:53:41" (2/3) ... [2024-10-13 14:53:41,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf2acf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:53:41, skipping insertion in model container [2024-10-13 14:53:41,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:53:41" (3/3) ... [2024-10-13 14:53:41,735 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_03_good.i [2024-10-13 14:53:41,772 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 14:53:41,772 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 14:53:41,882 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 14:53:41,889 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;@715c725c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 14:53:41,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 14:53:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 42 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 14:53:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 14:53:41,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:53:41,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:53:41,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:53:41,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:53:41,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1491000575, now seen corresponding path program 1 times [2024-10-13 14:53:41,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:53:41,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373527674] [2024-10-13 14:53:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:53:41,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:53:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 14:53:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:53:42,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:53:42,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373527674] [2024-10-13 14:53:42,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373527674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:53:42,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:53:42,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:53:42,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577060284] [2024-10-13 14:53:42,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:53:42,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:53:42,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:53:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:53:42,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,236 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 42 states have internal predecessors, (53), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:53:42,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:53:42,288 INFO L93 Difference]: Finished difference Result 101 states and 134 transitions. [2024-10-13 14:53:42,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:53:42,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-13 14:53:42,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:53:42,295 INFO L225 Difference]: With dead ends: 101 [2024-10-13 14:53:42,295 INFO L226 Difference]: Without dead ends: 44 [2024-10-13 14:53:42,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,300 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:53:42,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:53:42,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-13 14:53:42,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-13 14:53:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:53:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-10-13 14:53:42,338 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 11 [2024-10-13 14:53:42,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:53:42,339 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-10-13 14:53:42,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:53:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-10-13 14:53:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 14:53:42,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:53:42,342 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:53:42,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 14:53:42,343 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:53:42,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:53:42,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1023622367, now seen corresponding path program 1 times [2024-10-13 14:53:42,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:53:42,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818522658] [2024-10-13 14:53:42,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:53:42,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:53:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 14:53:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:53:42,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:53:42,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818522658] [2024-10-13 14:53:42,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818522658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:53:42,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:53:42,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:53:42,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387073407] [2024-10-13 14:53:42,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:53:42,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:53:42,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:53:42,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:53:42,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,453 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:53:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:53:42,477 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2024-10-13 14:53:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:53:42,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-13 14:53:42,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:53:42,480 INFO L225 Difference]: With dead ends: 44 [2024-10-13 14:53:42,480 INFO L226 Difference]: Without dead ends: 43 [2024-10-13 14:53:42,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,481 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:53:42,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:53:42,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-13 14:53:42,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-13 14:53:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 34 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:53:42,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2024-10-13 14:53:42,489 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 12 [2024-10-13 14:53:42,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:53:42,490 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2024-10-13 14:53:42,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 14:53:42,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2024-10-13 14:53:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-13 14:53:42,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:53:42,491 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:53:42,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 14:53:42,491 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:53:42,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:53:42,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1117730695, now seen corresponding path program 1 times [2024-10-13 14:53:42,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:53:42,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557242743] [2024-10-13 14:53:42,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:53:42,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:53:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 14:53:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 14:53:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 14:53:42,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:53:42,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557242743] [2024-10-13 14:53:42,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557242743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:53:42,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:53:42,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:53:42,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161210781] [2024-10-13 14:53:42,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:53:42,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:53:42,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:53:42,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:53:42,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,610 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 14:53:42,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:53:42,645 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-10-13 14:53:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:53:42,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-10-13 14:53:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:53:42,647 INFO L225 Difference]: With dead ends: 43 [2024-10-13 14:53:42,647 INFO L226 Difference]: Without dead ends: 42 [2024-10-13 14:53:42,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,648 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:53:42,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:53:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-10-13 14:53:42,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-10-13 14:53:42,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 33 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:53:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-10-13 14:53:42,663 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2024-10-13 14:53:42,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:53:42,663 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-10-13 14:53:42,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 14:53:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-10-13 14:53:42,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 14:53:42,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:53:42,664 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:53:42,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 14:53:42,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:53:42,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:53:42,665 INFO L85 PathProgramCache]: Analyzing trace with hash 289913264, now seen corresponding path program 1 times [2024-10-13 14:53:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:53:42,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117054970] [2024-10-13 14:53:42,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:53:42,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:53:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 14:53:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 14:53:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 14:53:42,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:53:42,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117054970] [2024-10-13 14:53:42,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117054970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:53:42,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:53:42,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:53:42,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514452694] [2024-10-13 14:53:42,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:53:42,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:53:42,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:53:42,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:53:42,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,748 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 14:53:42,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:53:42,773 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2024-10-13 14:53:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:53:42,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-13 14:53:42,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:53:42,776 INFO L225 Difference]: With dead ends: 42 [2024-10-13 14:53:42,777 INFO L226 Difference]: Without dead ends: 41 [2024-10-13 14:53:42,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,779 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:53:42,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:53:42,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-13 14:53:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-13 14:53:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.206896551724138) internal successors, (35), 32 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:53:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-10-13 14:53:42,788 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 21 [2024-10-13 14:53:42,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:53:42,789 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-10-13 14:53:42,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 14:53:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-10-13 14:53:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 14:53:42,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:53:42,790 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:53:42,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 14:53:42,791 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:53:42,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:53:42,792 INFO L85 PathProgramCache]: Analyzing trace with hash -298257685, now seen corresponding path program 1 times [2024-10-13 14:53:42,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:53:42,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637182597] [2024-10-13 14:53:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:53:42,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:53:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 14:53:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 14:53:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 14:53:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 14:53:42,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:53:42,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637182597] [2024-10-13 14:53:42,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637182597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:53:42,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:53:42,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:53:42,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991432875] [2024-10-13 14:53:42,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:53:42,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:53:42,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:53:42,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:53:42,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,903 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 14:53:42,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:53:42,925 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2024-10-13 14:53:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:53:42,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-10-13 14:53:42,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:53:42,927 INFO L225 Difference]: With dead ends: 41 [2024-10-13 14:53:42,927 INFO L226 Difference]: Without dead ends: 39 [2024-10-13 14:53:42,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:42,929 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:53:42,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:53:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-10-13 14:53:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-10-13 14:53:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 14:53:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-10-13 14:53:42,939 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 28 [2024-10-13 14:53:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:53:42,939 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-10-13 14:53:42,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 14:53:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2024-10-13 14:53:42,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-13 14:53:42,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:53:42,941 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:53:42,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 14:53:42,942 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 14:53:42,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:53:42,942 INFO L85 PathProgramCache]: Analyzing trace with hash 996542207, now seen corresponding path program 1 times [2024-10-13 14:53:42,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:53:42,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799638286] [2024-10-13 14:53:42,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:53:42,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:53:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:43,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 14:53:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:43,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 14:53:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:43,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 14:53:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:43,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 14:53:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:53:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 14:53:43,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:53:43,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799638286] [2024-10-13 14:53:43,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799638286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:53:43,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:53:43,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:53:43,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466411955] [2024-10-13 14:53:43,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:53:43,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:53:43,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:53:43,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:53:43,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:43,050 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 14:53:43,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:53:43,067 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-10-13 14:53:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:53:43,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2024-10-13 14:53:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:53:43,068 INFO L225 Difference]: With dead ends: 39 [2024-10-13 14:53:43,068 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 14:53:43,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:53:43,070 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:53:43,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:53:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 14:53:43,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 14:53:43,071 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) [2024-10-13 14:53:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 14:53:43,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2024-10-13 14:53:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:53:43,075 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 14:53:43,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 14:53:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 14:53:43,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 14:53:43,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-13 14:53:43,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-13 14:53:43,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-13 14:53:43,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-13 14:53:43,081 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-13 14:53:43,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-13 14:53:43,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-13 14:53:43,082 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-13 14:53:43,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 14:53:43,086 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-13 14:53:43,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 14:53:43,126 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 14:53:43,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 02:53:43 BoogieIcfgContainer [2024-10-13 14:53:43,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 14:53:43,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 14:53:43,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 14:53:43,146 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 14:53:43,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:53:41" (3/4) ... [2024-10-13 14:53:43,149 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 14:53:43,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-13 14:53:43,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-13 14:53:43,159 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-13 14:53:43,159 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-13 14:53:43,160 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 14:53:43,160 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 14:53:43,263 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 14:53:43,263 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 14:53:43,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 14:53:43,264 INFO L158 Benchmark]: Toolchain (without parser) took 3177.76ms. Allocated memory was 138.4MB in the beginning and 232.8MB in the end (delta: 94.4MB). Free memory was 64.2MB in the beginning and 172.9MB in the end (delta: -108.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:53:43,264 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:53:43,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1054.44ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 63.9MB in the beginning and 88.7MB in the end (delta: -24.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-10-13 14:53:43,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.12ms. Allocated memory is still 167.8MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 14:53:43,265 INFO L158 Benchmark]: Boogie Preprocessor took 33.91ms. Allocated memory is still 167.8MB. Free memory was 85.6MB in the beginning and 83.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 14:53:43,265 INFO L158 Benchmark]: RCFGBuilder took 480.70ms. Allocated memory is still 167.8MB. Free memory was 83.6MB in the beginning and 130.3MB in the end (delta: -46.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 14:53:43,266 INFO L158 Benchmark]: TraceAbstraction took 1415.48ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 129.2MB in the beginning and 179.2MB in the end (delta: -50.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-10-13 14:53:43,266 INFO L158 Benchmark]: Witness Printer took 118.28ms. Allocated memory is still 232.8MB. Free memory was 178.1MB in the beginning and 172.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 14:53:43,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1054.44ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 63.9MB in the beginning and 88.7MB in the end (delta: -24.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.12ms. Allocated memory is still 167.8MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.91ms. Allocated memory is still 167.8MB. Free memory was 85.6MB in the beginning and 83.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.70ms. Allocated memory is still 167.8MB. Free memory was 83.6MB in the beginning and 130.3MB in the end (delta: -46.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1415.48ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 129.2MB in the beginning and 179.2MB in the end (delta: -50.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 118.28ms. Allocated memory is still 232.8MB. Free memory was 178.1MB in the beginning and 172.9MB 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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 3 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 496 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 259 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 14:53:43,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE