./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_max_postinc_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_bad.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 7c9e65054ad223ae0a78b65d3f75087ca7eeb2f8a4b224d166dafb552b9ad4d1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:59:40,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:59:40,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 21:59:40,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:59:40,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:59:40,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:59:40,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:59:40,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:59:40,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:59:40,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:59:40,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:59:40,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:59:40,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:59:40,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:59:40,125 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:59:40,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:59:40,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:59:40,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 21:59:40,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:59:40,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:59:40,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:59:40,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:59:40,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:59:40,131 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:59:40,131 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:59:40,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:59:40,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:59:40,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:59:40,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:59:40,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:59:40,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:59:40,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:59:40,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:59:40,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:59:40,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:59:40,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 21:59:40,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 21:59:40,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:59:40,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:59:40,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:59:40,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:59:40,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c9e65054ad223ae0a78b65d3f75087ca7eeb2f8a4b224d166dafb552b9ad4d1 [2024-10-24 21:59:40,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:59:40,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:59:40,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:59:40,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:59:40,451 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:59:40,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_bad.i [2024-10-24 21:59:41,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:59:42,214 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:59:42,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_bad.i [2024-10-24 21:59:42,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bc720f8c/fe06a5e5498b45f687dfd7dd59b62304/FLAGe5bc7057c [2024-10-24 21:59:42,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bc720f8c/fe06a5e5498b45f687dfd7dd59b62304 [2024-10-24 21:59:42,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:59:42,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:59:42,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:59:42,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:59:42,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:59:42,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:42" (1/1) ... [2024-10-24 21:59:42,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb09b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:42, skipping insertion in model container [2024-10-24 21:59:42,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:42" (1/1) ... [2024-10-24 21:59:42,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:59:43,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:59:43,270 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 21:59:43,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:59:43,451 INFO L204 MainTranslator]: Completed translation [2024-10-24 21:59:43,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43 WrapperNode [2024-10-24 21:59:43,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 21:59:43,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 21:59:43,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 21:59:43,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 21:59:43,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,515 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-10-24 21:59:43,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 21:59:43,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 21:59:43,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 21:59:43,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 21:59:43,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,533 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,549 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 21:59:43,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 21:59:43,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 21:59:43,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 21:59:43,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 21:59:43,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (1/1) ... [2024-10-24 21:59:43,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:59:43,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 21:59:43,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 21:59:43,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 21:59:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 21:59:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 21:59:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 21:59:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 21:59:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 21:59:43,770 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 21:59:43,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 21:59:43,858 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 21:59:43,859 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 21:59:43,887 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 21:59:43,887 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 21:59:43,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:43 BoogieIcfgContainer [2024-10-24 21:59:43,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 21:59:43,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 21:59:43,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 21:59:43,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 21:59:43,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:59:42" (1/3) ... [2024-10-24 21:59:43,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14de73a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:59:43, skipping insertion in model container [2024-10-24 21:59:43,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:43" (2/3) ... [2024-10-24 21:59:43,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14de73a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:59:43, skipping insertion in model container [2024-10-24 21:59:43,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:43" (3/3) ... [2024-10-24 21:59:43,897 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_09_bad.i [2024-10-24 21:59:43,913 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 21:59:43,914 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 21:59:43,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 21:59:43,990 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;@4404f6f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 21:59:43,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 21:59:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 21:59:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 21:59:44,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:59:44,003 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:59:44,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:59:44,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:59:44,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-24 21:59:44,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 21:59:44,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385206330] [2024-10-24 21:59:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:59:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 21:59:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:59:44,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 21:59:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:59:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:59:44,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 21:59:44,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385206330] [2024-10-24 21:59:44,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385206330] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:59:44,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:59:44,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 21:59:44,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787300472] [2024-10-24 21:59:44,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:59:44,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 21:59:44,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 21:59:44,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 21:59:44,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:59:44,380 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-24 21:59:44,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:59:44,409 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-10-24 21:59:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 21:59:44,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2024-10-24 21:59:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:59:44,419 INFO L225 Difference]: With dead ends: 30 [2024-10-24 21:59:44,419 INFO L226 Difference]: Without dead ends: 13 [2024-10-24 21:59:44,422 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 [2024-10-24 21:59:44,424 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 15 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:59:44,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:59:44,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-24 21:59:44,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-24 21:59:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2024-10-24 21:59:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-10-24 21:59:44,455 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2024-10-24 21:59:44,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:59:44,455 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-10-24 21:59:44,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-24 21:59:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-10-24 21:59:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 21:59:44,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:59:44,457 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:59:44,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 21:59:44,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:59:44,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:59:44,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1013508190, now seen corresponding path program 1 times [2024-10-24 21:59:44,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 21:59:44,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924956387] [2024-10-24 21:59:44,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:59:44,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 21:59:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:59:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 21:59:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:59:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:59:44,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 21:59:44,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924956387] [2024-10-24 21:59:44,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924956387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:59:44,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:59:44,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 21:59:44,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195543329] [2024-10-24 21:59:44,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:59:44,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 21:59:44,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 21:59:44,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 21:59:44,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 21:59:44,568 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-10-24 21:59:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:59:44,593 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2024-10-24 21:59:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 21:59:44,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 10 [2024-10-24 21:59:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:59:44,598 INFO L225 Difference]: With dead ends: 13 [2024-10-24 21:59:44,598 INFO L226 Difference]: Without dead ends: 12 [2024-10-24 21:59:44,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 21:59:44,600 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:59:44,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:59:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-24 21:59:44,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-24 21:59:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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) [2024-10-24 21:59:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-10-24 21:59:44,605 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-10-24 21:59:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:59:44,605 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-10-24 21:59:44,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-10-24 21:59:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-10-24 21:59:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 21:59:44,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:59:44,606 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:59:44,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 21:59:44,606 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:59:44,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:59:44,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1353982763, now seen corresponding path program 1 times [2024-10-24 21:59:44,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 21:59:44,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895356694] [2024-10-24 21:59:44,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:59:44,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 21:59:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:59:44,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 21:59:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:59:44,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 21:59:44,681 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 21:59:44,683 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 21:59:44,685 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 21:59:44,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 21:59:44,690 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 21:59:44,708 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 21:59:44,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:59:44 BoogieIcfgContainer [2024-10-24 21:59:44,712 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 21:59:44,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 21:59:44,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 21:59:44,713 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 21:59:44,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:43" (3/4) ... [2024-10-24 21:59:44,714 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 21:59:44,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 21:59:44,716 INFO L158 Benchmark]: Toolchain (without parser) took 2288.03ms. Allocated memory is still 169.9MB. Free memory was 135.5MB in the beginning and 100.5MB in the end (delta: 35.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-10-24 21:59:44,716 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:59:44,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.99ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 69.7MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-10-24 21:59:44,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.65ms. Allocated memory is still 169.9MB. Free memory was 69.7MB in the beginning and 66.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:59:44,718 INFO L158 Benchmark]: Boogie Preprocessor took 43.98ms. Allocated memory is still 169.9MB. Free memory was 66.8MB in the beginning and 65.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:59:44,718 INFO L158 Benchmark]: RCFGBuilder took 326.64ms. Allocated memory is still 169.9MB. Free memory was 65.5MB in the beginning and 52.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 21:59:44,718 INFO L158 Benchmark]: TraceAbstraction took 822.10ms. Allocated memory is still 169.9MB. Free memory was 50.8MB in the beginning and 100.5MB in the end (delta: -49.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:59:44,719 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 169.9MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:59:44,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.99ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 69.7MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.65ms. Allocated memory is still 169.9MB. Free memory was 69.7MB in the beginning and 66.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.98ms. Allocated memory is still 169.9MB. Free memory was 66.8MB in the beginning and 65.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.64ms. Allocated memory is still 169.9MB. Free memory was 65.5MB in the beginning and 52.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 822.10ms. Allocated memory is still 169.9MB. Free memory was 50.8MB in the beginning and 100.5MB in the end (delta: -49.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 169.9MB. Free memory is still 100.5MB. There was no memory consumed. 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_max_postinc_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 21 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 21:59:44,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_max_postinc_09_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.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 7c9e65054ad223ae0a78b65d3f75087ca7eeb2f8a4b224d166dafb552b9ad4d1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 21:59:46,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 21:59:47,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 21:59:47,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 21:59:47,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 21:59:47,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 21:59:47,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 21:59:47,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 21:59:47,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 21:59:47,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 21:59:47,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 21:59:47,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 21:59:47,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 21:59:47,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 21:59:47,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 21:59:47,078 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 21:59:47,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 21:59:47,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 21:59:47,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 21:59:47,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 21:59:47,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 21:59:47,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 21:59:47,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 21:59:47,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 21:59:47,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 21:59:47,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 21:59:47,084 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 21:59:47,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 21:59:47,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 21:59:47,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 21:59:47,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 21:59:47,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 21:59:47,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 21:59:47,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 21:59:47,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:59:47,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 21:59:47,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 21:59:47,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 21:59:47,090 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 21:59:47,090 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 21:59:47,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 21:59:47,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 21:59:47,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 21:59:47,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 21:59:47,092 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 21:59:47,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c9e65054ad223ae0a78b65d3f75087ca7eeb2f8a4b224d166dafb552b9ad4d1 [2024-10-24 21:59:47,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 21:59:47,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 21:59:47,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 21:59:47,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 21:59:47,431 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 21:59:47,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_bad.i [2024-10-24 21:59:48,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 21:59:49,258 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 21:59:49,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_09_bad.i [2024-10-24 21:59:49,288 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b035e4550/9adb427fd44a47829464c35231127f18/FLAGbdabe1e3e [2024-10-24 21:59:49,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b035e4550/9adb427fd44a47829464c35231127f18 [2024-10-24 21:59:49,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 21:59:49,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 21:59:49,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 21:59:49,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 21:59:49,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 21:59:49,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:49" (1/1) ... [2024-10-24 21:59:49,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efe5c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:49, skipping insertion in model container [2024-10-24 21:59:49,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:59:49" (1/1) ... [2024-10-24 21:59:49,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 21:59:50,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:59:50,375 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 21:59:50,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 21:59:50,620 INFO L204 MainTranslator]: Completed translation [2024-10-24 21:59:50,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50 WrapperNode [2024-10-24 21:59:50,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 21:59:50,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 21:59:50,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 21:59:50,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 21:59:50,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,681 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-10-24 21:59:50,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 21:59:50,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 21:59:50,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 21:59:50,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 21:59:50,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,705 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 21:59:50,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 21:59:50,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 21:59:50,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 21:59:50,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 21:59:50,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (1/1) ... [2024-10-24 21:59:50,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 21:59:50,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 21:59:50,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 21:59:50,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 21:59:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 21:59:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 21:59:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 21:59:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 21:59:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 21:59:50,944 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 21:59:50,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 21:59:51,081 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-24 21:59:51,084 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 21:59:51,125 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 21:59:51,125 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 21:59:51,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:51 BoogieIcfgContainer [2024-10-24 21:59:51,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 21:59:51,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 21:59:51,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 21:59:51,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 21:59:51,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:59:49" (1/3) ... [2024-10-24 21:59:51,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28354cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:59:51, skipping insertion in model container [2024-10-24 21:59:51,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:59:50" (2/3) ... [2024-10-24 21:59:51,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28354cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:59:51, skipping insertion in model container [2024-10-24 21:59:51,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:51" (3/3) ... [2024-10-24 21:59:51,135 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_09_bad.i [2024-10-24 21:59:51,153 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 21:59:51,154 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 21:59:51,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 21:59:51,230 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;@588ab6d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 21:59:51,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 21:59:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 21:59:51,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 21:59:51,239 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:59:51,240 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:59:51,240 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:59:51,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:59:51,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-24 21:59:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:59:51,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128017299] [2024-10-24 21:59:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:59:51,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:59:51,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:59:51,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 21:59:51,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 21:59:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:59:51,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 21:59:51,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:59:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:59:51,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:59:51,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:59:51,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128017299] [2024-10-24 21:59:51,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128017299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:59:51,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:59:51,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 21:59:51,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269420232] [2024-10-24 21:59:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:59:51,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 21:59:51,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:59:51,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 21:59:51,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 21:59:51,420 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-24 21:59:51,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:59:51,443 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2024-10-24 21:59:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 21:59:51,446 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2024-10-24 21:59:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:59:51,451 INFO L225 Difference]: With dead ends: 17 [2024-10-24 21:59:51,452 INFO L226 Difference]: Without dead ends: 12 [2024-10-24 21:59:51,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 21:59:51,460 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:59:51,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:59:51,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-24 21:59:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-24 21:59:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-10-24 21:59:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-10-24 21:59:51,493 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2024-10-24 21:59:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:59:51,494 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-10-24 21:59:51,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-24 21:59:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-10-24 21:59:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 21:59:51,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:59:51,495 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:59:51,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 21:59:51,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:59:51,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:59:51,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:59:51,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1353923181, now seen corresponding path program 1 times [2024-10-24 21:59:51,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:59:51,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11442401] [2024-10-24 21:59:51,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:59:51,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:59:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:59:51,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 21:59:51,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 21:59:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 21:59:51,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 21:59:51,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 21:59:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 21:59:51,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 21:59:51,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 21:59:51,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11442401] [2024-10-24 21:59:51,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11442401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 21:59:51,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 21:59:51,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 21:59:51,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284549611] [2024-10-24 21:59:51,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 21:59:51,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 21:59:51,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 21:59:51,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 21:59:51,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 21:59:51,843 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) [2024-10-24 21:59:51,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 21:59:51,855 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-10-24 21:59:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 21:59:51,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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 [2024-10-24 21:59:51,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 21:59:51,856 INFO L225 Difference]: With dead ends: 16 [2024-10-24 21:59:51,856 INFO L226 Difference]: Without dead ends: 12 [2024-10-24 21:59:51,856 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 [2024-10-24 21:59:51,858 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 21:59:51,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 21:59:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-24 21:59:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-24 21:59:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 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) [2024-10-24 21:59:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-10-24 21:59:51,863 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2024-10-24 21:59:51,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 21:59:51,864 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-10-24 21:59:51,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) [2024-10-24 21:59:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-10-24 21:59:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 21:59:51,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 21:59:51,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 21:59:51,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-24 21:59:52,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:59:52,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 21:59:52,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 21:59:52,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1353982763, now seen corresponding path program 1 times [2024-10-24 21:59:52,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 21:59:52,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443537016] [2024-10-24 21:59:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 21:59:52,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:59:52,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 21:59:52,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 21:59:52,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 21:59:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:59:52,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 21:59:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 21:59:52,188 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 21:59:52,189 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 21:59:52,190 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 21:59:52,191 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 21:59:52,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-24 21:59:52,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 21:59:52,398 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 21:59:52,419 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 21:59:52,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:59:52 BoogieIcfgContainer [2024-10-24 21:59:52,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 21:59:52,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 21:59:52,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 21:59:52,423 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 21:59:52,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:59:51" (3/4) ... [2024-10-24 21:59:52,427 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 21:59:52,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 21:59:52,429 INFO L158 Benchmark]: Toolchain (without parser) took 2943.05ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 26.5MB in the beginning and 41.2MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:59:52,431 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:59:52,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1132.81ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 50.6MB in the end (delta: -24.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-10-24 21:59:52,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.49ms. Allocated memory is still 77.6MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 21:59:52,435 INFO L158 Benchmark]: Boogie Preprocessor took 37.37ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 45.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 21:59:52,436 INFO L158 Benchmark]: RCFGBuilder took 401.86ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 30.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 21:59:52,436 INFO L158 Benchmark]: TraceAbstraction took 1294.58ms. Allocated memory is still 77.6MB. Free memory was 29.6MB in the beginning and 41.7MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:59:52,436 INFO L158 Benchmark]: Witness Printer took 5.96ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 41.2MB in the end (delta: 505.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 21:59:52,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1132.81ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 50.6MB in the end (delta: -24.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.49ms. Allocated memory is still 77.6MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.37ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 45.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 401.86ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 30.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1294.58ms. Allocated memory is still 77.6MB. Free memory was 29.6MB in the beginning and 41.7MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.96ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 41.2MB in the end (delta: 505.0kB). There was no memory consumed. 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_max_postinc_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 21:59:52,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample