./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_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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_multiply_12_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 f6d81dc6f42a326cd865a746647ee40c97f6651199e083380f4d7788f6dcc4a9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:07:15,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:07:16,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 22:07:16,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:07:16,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:07:16,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:07:16,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:07:16,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:07:16,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:07:16,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:07:16,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:07:16,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:07:16,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:07:16,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:07:16,102 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:07:16,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:07:16,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:07:16,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 22:07:16,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:07:16,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:07:16,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:07:16,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:07:16,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:07:16,111 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:07:16,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:07:16,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:07:16,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:07:16,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:07:16,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:07:16,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:07:16,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:07:16,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:07:16,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:07:16,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:07:16,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:07:16,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 22:07:16,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 22:07:16,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:07:16,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:07:16,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:07:16,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:07:16,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d81dc6f42a326cd865a746647ee40c97f6651199e083380f4d7788f6dcc4a9 [2024-10-14 22:07:16,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:07:16,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:07:16,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:07:16,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:07:16,376 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:07:16,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_12_good.i [2024-10-14 22:07:17,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:07:18,167 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:07:18,167 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_12_good.i [2024-10-14 22:07:18,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5181cd7/f075eb46d094468184e0e72346437739/FLAG1dbdde6d2 [2024-10-14 22:07:18,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5181cd7/f075eb46d094468184e0e72346437739 [2024-10-14 22:07:18,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:07:18,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:07:18,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:07:18,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:07:18,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:07:18,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:07:18" (1/1) ... [2024-10-14 22:07:18,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e04290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:18, skipping insertion in model container [2024-10-14 22:07:18,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:07:18" (1/1) ... [2024-10-14 22:07:18,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:07:18,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:07:19,012 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:07:19,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:07:19,214 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:07:19,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19 WrapperNode [2024-10-14 22:07:19,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:07:19,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:07:19,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:07:19,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:07:19,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,311 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-10-14 22:07:19,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:07:19,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:07:19,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:07:19,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:07:19,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,339 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:07:19,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:07:19,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:07:19,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:07:19,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:07:19,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (1/1) ... [2024-10-14 22:07:19,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:07:19,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:07:19,386 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) [2024-10-14 22:07:19,390 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 [2024-10-14 22:07:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-14 22:07:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-14 22:07:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-10-14 22:07:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-10-14 22:07:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:07:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:07:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:07:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:07:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:07:19,564 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:07:19,566 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:07:19,734 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-14 22:07:19,734 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:07:19,768 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:07:19,768 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:07:19,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:07:19 BoogieIcfgContainer [2024-10-14 22:07:19,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:07:19,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:07:19,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:07:19,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:07:19,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:07:18" (1/3) ... [2024-10-14 22:07:19,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeea818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:07:19, skipping insertion in model container [2024-10-14 22:07:19,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:07:19" (2/3) ... [2024-10-14 22:07:19,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeea818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:07:19, skipping insertion in model container [2024-10-14 22:07:19,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:07:19" (3/3) ... [2024-10-14 22:07:19,780 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_multiply_12_good.i [2024-10-14 22:07:19,807 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:07:19,807 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-14 22:07:19,860 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:07:19,867 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;@a42ee8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:07:19,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-14 22:07:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 38 states have (on average 1.5) internal successors, (57), 46 states have internal predecessors, (57), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 22:07:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 22:07:19,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:07:19,884 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:07:19,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:07:19,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:07:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash -637435993, now seen corresponding path program 1 times [2024-10-14 22:07:19,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:07:19,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095708935] [2024-10-14 22:07:19,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:07:19,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:07:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:07:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:07:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:07:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 22:07:20,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:07:20,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095708935] [2024-10-14 22:07:20,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095708935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:07:20,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:07:20,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:07:20,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648004416] [2024-10-14 22:07:20,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:07:20,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:07:20,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:07:20,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:07:20,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:07:20,327 INFO L87 Difference]: Start difference. First operand has 62 states, 38 states have (on average 1.5) internal successors, (57), 46 states have internal predecessors, (57), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (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) [2024-10-14 22:07:20,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:07:20,401 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2024-10-14 22:07:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:07:20,404 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, (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 20 [2024-10-14 22:07:20,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:07:20,412 INFO L225 Difference]: With dead ends: 62 [2024-10-14 22:07:20,413 INFO L226 Difference]: Without dead ends: 52 [2024-10-14 22:07:20,415 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 [2024-10-14 22:07:20,418 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 3 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 22:07:20,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 121 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 22:07:20,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-14 22:07:20,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-14 22:07:20,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 39 states have internal predecessors, (47), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 22:07:20,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2024-10-14 22:07:20,451 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 20 [2024-10-14 22:07:20,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:07:20,452 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2024-10-14 22:07:20,452 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, (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) [2024-10-14 22:07:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2024-10-14 22:07:20,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-14 22:07:20,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:07:20,454 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:07:20,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 22:07:20,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:07:20,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:07:20,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1714320788, now seen corresponding path program 1 times [2024-10-14 22:07:20,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:07:20,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310796794] [2024-10-14 22:07:20,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:07:20,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:07:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:07:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:07:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:07:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 22:07:20,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:07:20,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310796794] [2024-10-14 22:07:20,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310796794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:07:20,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:07:20,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:07:20,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425261182] [2024-10-14 22:07:20,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:07:20,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:07:20,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:07:20,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:07:20,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:07:20,559 INFO L87 Difference]: Start difference. First operand 52 states and 65 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, (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) [2024-10-14 22:07:20,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:07:20,600 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2024-10-14 22:07:20,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:07:20,601 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, (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 21 [2024-10-14 22:07:20,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:07:20,602 INFO L225 Difference]: With dead ends: 52 [2024-10-14 22:07:20,603 INFO L226 Difference]: Without dead ends: 50 [2024-10-14 22:07:20,604 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 [2024-10-14 22:07:20,605 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:07:20,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 101 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:07:20,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-14 22:07:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-14 22:07:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 37 states have internal predecessors, (45), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 22:07:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2024-10-14 22:07:20,621 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 21 [2024-10-14 22:07:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:07:20,621 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2024-10-14 22:07:20,621 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, (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) [2024-10-14 22:07:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2024-10-14 22:07:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 22:07:20,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:07:20,623 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-10-14 22:07:20,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 22:07:20,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-14 22:07:20,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:07:20,624 INFO L85 PathProgramCache]: Analyzing trace with hash -684749371, now seen corresponding path program 1 times [2024-10-14 22:07:20,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:07:20,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329058121] [2024-10-14 22:07:20,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:07:20,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:07:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:07:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:07:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:07:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 22:07:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 22:07:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:07:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 22:07:20,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:07:20,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329058121] [2024-10-14 22:07:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329058121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:07:20,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:07:20,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:07:20,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240997875] [2024-10-14 22:07:20,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:07:20,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:07:20,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:07:20,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:07:20,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:07:20,808 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 22:07:20,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:07:20,840 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2024-10-14 22:07:20,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:07:20,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2024-10-14 22:07:20,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:07:20,841 INFO L225 Difference]: With dead ends: 50 [2024-10-14 22:07:20,842 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 22:07:20,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:07:20,845 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:07:20,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 98 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:07:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 22:07:20,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 22:07:20,849 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) [2024-10-14 22:07:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 22:07:20,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-10-14 22:07:20,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:07:20,850 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 22:07:20,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 22:07:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 22:07:20,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 22:07:20,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-14 22:07:20,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-14 22:07:20,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-14 22:07:20,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-14 22:07:20,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-14 22:07:20,856 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-14 22:07:20,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-14 22:07:20,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-14 22:07:20,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 22:07:20,861 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 22:07:20,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 22:07:20,898 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:07:20,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:07:20 BoogieIcfgContainer [2024-10-14 22:07:20,919 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:07:20,919 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:07:20,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:07:20,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:07:20,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:07:19" (3/4) ... [2024-10-14 22:07:20,922 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 22:07:20,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-14 22:07:20,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2024-10-14 22:07:20,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-14 22:07:20,933 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-14 22:07:20,934 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-14 22:07:20,934 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 22:07:20,934 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 22:07:21,039 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 22:07:21,039 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 22:07:21,040 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:07:21,040 INFO L158 Benchmark]: Toolchain (without parser) took 2827.68ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 110.3MB in the beginning and 154.7MB in the end (delta: -44.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-14 22:07:21,041 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:07:21,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1002.10ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 45.3MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-14 22:07:21,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.40ms. Allocated memory is still 161.5MB. Free memory was 45.3MB in the beginning and 127.8MB in the end (delta: -82.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-10-14 22:07:21,041 INFO L158 Benchmark]: Boogie Preprocessor took 37.62ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 125.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:07:21,042 INFO L158 Benchmark]: RCFGBuilder took 418.26ms. Allocated memory is still 161.5MB. Free memory was 125.9MB in the beginning and 108.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 22:07:21,043 INFO L158 Benchmark]: TraceAbstraction took 1148.39ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 107.9MB in the beginning and 159.9MB in the end (delta: -52.1MB). Peak memory consumption was 93.9kB. Max. memory is 16.1GB. [2024-10-14 22:07:21,043 INFO L158 Benchmark]: Witness Printer took 120.26ms. Allocated memory is still 213.9MB. Free memory was 159.9MB in the beginning and 154.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:07:21,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1002.10ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 45.3MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.40ms. Allocated memory is still 161.5MB. Free memory was 45.3MB in the beginning and 127.8MB in the end (delta: -82.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.62ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 125.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.26ms. Allocated memory is still 161.5MB. Free memory was 125.9MB in the beginning and 108.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1148.39ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 107.9MB in the beginning and 159.9MB in the end (delta: -52.1MB). Peak memory consumption was 93.9kB. Max. memory is 16.1GB. * Witness Printer took 120.26ms. Allocated memory is still 213.9MB. Free memory was 159.9MB in the beginning and 154.7MB 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: 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 4 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 172 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 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! [2024-10-14 22:07:21,074 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