./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_13_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 89596ac47cdcbd456cc21d07e9bc600290ad7ee189f1e6d74ccc4ce3dd6f4bfd --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 13:33:52,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 13:33:52,616 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 13:33:52,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 13:33:52,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 13:33:52,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 13:33:52,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 13:33:52,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 13:33:52,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 13:33:52,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 13:33:52,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 13:33:52,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 13:33:52,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 13:33:52,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 13:33:52,644 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 13:33:52,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 13:33:52,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 13:33:52,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 13:33:52,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 13:33:52,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 13:33:52,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 13:33:52,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 13:33:52,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 13:33:52,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 13:33:52,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 13:33:52,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 13:33:52,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 13:33:52,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 13:33:52,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 13:33:52,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 13:33:52,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 13:33:52,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:33:52,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 13:33:52,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 13:33:52,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 13:33:52,665 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 13:33:52,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 13:33:52,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 13:33:52,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 13:33:52,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 13:33:52,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 13:33:52,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89596ac47cdcbd456cc21d07e9bc600290ad7ee189f1e6d74ccc4ce3dd6f4bfd [2024-11-09 13:33:52,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 13:33:52,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 13:33:52,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 13:33:52,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 13:33:52,969 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 13:33:52,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_13_bad.i [2024-11-09 13:33:54,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 13:33:54,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 13:33:54,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_13_bad.i [2024-11-09 13:33:54,681 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d29c83c4/0513166256094defa4fef1e71d51742f/FLAGbbe084361 [2024-11-09 13:33:54,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d29c83c4/0513166256094defa4fef1e71d51742f [2024-11-09 13:33:54,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 13:33:54,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 13:33:54,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 13:33:54,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 13:33:54,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 13:33:54,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:33:54" (1/1) ... [2024-11-09 13:33:54,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a5cc49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:54, skipping insertion in model container [2024-11-09 13:33:54,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:33:54" (1/1) ... [2024-11-09 13:33:54,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 13:33:55,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:33:55,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 13:33:55,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:33:55,909 INFO L204 MainTranslator]: Completed translation [2024-11-09 13:33:55,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55 WrapperNode [2024-11-09 13:33:55,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 13:33:55,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 13:33:55,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 13:33:55,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 13:33:55,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:55,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:55,976 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-09 13:33:55,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 13:33:55,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 13:33:55,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 13:33:55,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 13:33:55,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:55,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:55,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,009 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 13:33:56,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 13:33:56,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 13:33:56,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 13:33:56,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 13:33:56,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (1/1) ... [2024-11-09 13:33:56,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:33:56,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 13:33:56,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 13:33:56,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 13:33:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 13:33:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 13:33:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 13:33:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 13:33:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 13:33:56,286 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 13:33:56,292 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 13:33:56,432 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 13:33:56,432 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 13:33:56,447 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 13:33:56,449 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 13:33:56,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:33:56 BoogieIcfgContainer [2024-11-09 13:33:56,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 13:33:56,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 13:33:56,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 13:33:56,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 13:33:56,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:33:54" (1/3) ... [2024-11-09 13:33:56,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296b834d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:33:56, skipping insertion in model container [2024-11-09 13:33:56,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:33:55" (2/3) ... [2024-11-09 13:33:56,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296b834d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:33:56, skipping insertion in model container [2024-11-09 13:33:56,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:33:56" (3/3) ... [2024-11-09 13:33:56,458 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_13_bad.i [2024-11-09 13:33:56,476 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 13:33:56,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 13:33:56,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 13:33:56,539 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;@5fec9b2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 13:33:56,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 13:33:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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) [2024-11-09 13:33:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:33:56,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:33:56,549 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:33:56,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:33:56,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:33:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash -83184607, now seen corresponding path program 1 times [2024-11-09 13:33:56,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:33:56,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410999371] [2024-11-09 13:33:56,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:33:56,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:33:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:33:56,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 13:33:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:33:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:33:56,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 13:33:56,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410999371] [2024-11-09 13:33:56,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410999371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:33:56,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:33:56,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 13:33:56,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056368861] [2024-11-09 13:33:56,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:33:56,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:33:56,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 13:33:56,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:33:56,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:33:56,855 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:33:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:33:56,882 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-11-09 13:33:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:33:56,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 13:33:56,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:33:56,891 INFO L225 Difference]: With dead ends: 39 [2024-11-09 13:33:56,891 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 13:33:56,893 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 [2024-11-09 13:33:56,896 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 13:33:56,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 13:33:56,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 13:33:56,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-09 13:33:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2024-11-09 13:33:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-09 13:33:56,923 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2024-11-09 13:33:56,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:33:56,924 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-09 13:33:56,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:33:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-09 13:33:56,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:33:56,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:33:56,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:33:56,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 13:33:56,925 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:33:56,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:33:56,926 INFO L85 PathProgramCache]: Analyzing trace with hash -83244189, now seen corresponding path program 1 times [2024-11-09 13:33:56,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:33:56,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434707786] [2024-11-09 13:33:56,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:33:56,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:33:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:33:57,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 13:33:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:33:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:33:57,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 13:33:57,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434707786] [2024-11-09 13:33:57,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434707786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:33:57,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:33:57,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 13:33:57,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159860881] [2024-11-09 13:33:57,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:33:57,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:33:57,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 13:33:57,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:33:57,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:33:57,026 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:33:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:33:57,039 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-09 13:33:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:33:57,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 13:33:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:33:57,040 INFO L225 Difference]: With dead ends: 15 [2024-11-09 13:33:57,040 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 13:33:57,041 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 [2024-11-09 13:33:57,042 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 13:33:57,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 13:33:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 13:33:57,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 13:33:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2024-11-09 13:33:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-09 13:33:57,049 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2024-11-09 13:33:57,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:33:57,050 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-09 13:33:57,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:33:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-09 13:33:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 13:33:57,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:33:57,051 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:33:57,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 13:33:57,052 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:33:57,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:33:57,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1714397495, now seen corresponding path program 1 times [2024-11-09 13:33:57,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:33:57,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700302969] [2024-11-09 13:33:57,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:33:57,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:33:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:33:57,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 13:33:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:33:57,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 13:33:57,116 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 13:33:57,117 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 13:33:57,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 13:33:57,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 13:33:57,123 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 13:33:57,147 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 13:33:57,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:33:57 BoogieIcfgContainer [2024-11-09 13:33:57,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 13:33:57,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 13:33:57,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 13:33:57,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 13:33:57,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:33:56" (3/4) ... [2024-11-09 13:33:57,159 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 13:33:57,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 13:33:57,161 INFO L158 Benchmark]: Toolchain (without parser) took 2231.06ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 64.4MB in the beginning and 79.9MB in the end (delta: -15.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-09 13:33:57,161 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 91.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:33:57,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 978.75ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 64.1MB in the beginning and 79.7MB in the end (delta: -15.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-09 13:33:57,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.54ms. Allocated memory is still 159.4MB. Free memory was 79.7MB in the beginning and 76.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:33:57,162 INFO L158 Benchmark]: Boogie Preprocessor took 47.67ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 74.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:33:57,162 INFO L158 Benchmark]: RCFGBuilder took 424.51ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 119.8MB in the end (delta: -45.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 13:33:57,163 INFO L158 Benchmark]: TraceAbstraction took 704.40ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 79.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 13:33:57,163 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 159.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:33:57,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 91.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 978.75ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 64.1MB in the beginning and 79.7MB in the end (delta: -15.6MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.54ms. Allocated memory is still 159.4MB. Free memory was 79.7MB in the beginning and 76.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.67ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 74.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.51ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 119.8MB in the end (delta: -45.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 704.40ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 79.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 159.4MB. Free memory is still 79.9MB. 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: 1560]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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_multiply_13_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 GLOBAL_CONST_FIVE==5 [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 GLOBAL_CONST_FIVE==5 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] [L1558] COND TRUE data > 0 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] [L1560] data * 2 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: 1560]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 33 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 [2024-11-09 13:33:57,198 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_13_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 89596ac47cdcbd456cc21d07e9bc600290ad7ee189f1e6d74ccc4ce3dd6f4bfd --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 13:33:59,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 13:33:59,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-09 13:33:59,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 13:33:59,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 13:33:59,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-09 13:33:59,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 13:33:59,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 13:33:59,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 13:33:59,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 13:33:59,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 13:33:59,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 13:33:59,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 13:33:59,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 13:33:59,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 13:33:59,487 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 13:33:59,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 13:33:59,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 13:33:59,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 13:33:59,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 13:33:59,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 13:33:59,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 13:33:59,490 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 13:33:59,490 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 13:33:59,491 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 13:33:59,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 13:33:59,491 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 13:33:59,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 13:33:59,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 13:33:59,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 13:33:59,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 13:33:59,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 13:33:59,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 13:33:59,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 13:33:59,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:33:59,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 13:33:59,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 13:33:59,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 13:33:59,496 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 13:33:59,497 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 13:33:59,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 13:33:59,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 13:33:59,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 13:33:59,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 13:33:59,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89596ac47cdcbd456cc21d07e9bc600290ad7ee189f1e6d74ccc4ce3dd6f4bfd [2024-11-09 13:33:59,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 13:33:59,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 13:33:59,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 13:33:59,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 13:33:59,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 13:33:59,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_13_bad.i [2024-11-09 13:34:01,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 13:34:01,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 13:34:01,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_13_bad.i [2024-11-09 13:34:01,680 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e68cb753/3cdce0fd6855446ea8009dab5d69696b/FLAGd158c288c [2024-11-09 13:34:01,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e68cb753/3cdce0fd6855446ea8009dab5d69696b [2024-11-09 13:34:01,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 13:34:01,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 13:34:01,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 13:34:01,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 13:34:01,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 13:34:01,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:34:01" (1/1) ... [2024-11-09 13:34:01,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185214ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:01, skipping insertion in model container [2024-11-09 13:34:01,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:34:01" (1/1) ... [2024-11-09 13:34:01,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 13:34:02,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:34:02,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 13:34:02,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:34:02,941 INFO L204 MainTranslator]: Completed translation [2024-11-09 13:34:02,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02 WrapperNode [2024-11-09 13:34:02,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 13:34:02,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 13:34:02,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 13:34:02,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 13:34:02,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:02,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,010 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-11-09 13:34:03,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 13:34:03,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 13:34:03,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 13:34:03,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 13:34:03,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,043 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 13:34:03,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 13:34:03,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 13:34:03,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 13:34:03,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 13:34:03,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (1/1) ... [2024-11-09 13:34:03,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:34:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 13:34:03,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 13:34:03,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 13:34:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 13:34:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 13:34:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 13:34:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 13:34:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 13:34:03,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 13:34:03,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 13:34:03,436 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 13:34:03,438 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 13:34:03,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 13:34:03,452 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 13:34:03,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:34:03 BoogieIcfgContainer [2024-11-09 13:34:03,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 13:34:03,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 13:34:03,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 13:34:03,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 13:34:03,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:34:01" (1/3) ... [2024-11-09 13:34:03,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbcb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:34:03, skipping insertion in model container [2024-11-09 13:34:03,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:34:02" (2/3) ... [2024-11-09 13:34:03,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbcb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:34:03, skipping insertion in model container [2024-11-09 13:34:03,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:34:03" (3/3) ... [2024-11-09 13:34:03,462 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_13_bad.i [2024-11-09 13:34:03,478 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 13:34:03,478 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 13:34:03,557 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 13:34:03,566 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;@687034c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 13:34:03,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 13:34:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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) [2024-11-09 13:34:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:34:03,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:34:03,579 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:34:03,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:34:03,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:34:03,586 INFO L85 PathProgramCache]: Analyzing trace with hash -83184607, now seen corresponding path program 1 times [2024-11-09 13:34:03,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:34:03,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140203224] [2024-11-09 13:34:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:34:03,599 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 [2024-11-09 13:34:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:34:03,603 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) [2024-11-09 13:34:03,604 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 [2024-11-09 13:34:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:34:03,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 13:34:03,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 13:34:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:34:03,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 13:34:03,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 13:34:03,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140203224] [2024-11-09 13:34:03,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140203224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:34:03,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:34:03,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 13:34:03,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920350331] [2024-11-09 13:34:03,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:34:03,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:34:03,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 13:34:03,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:34:03,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:34:03,810 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 3.3333333333333335) internal successors, (10), 2 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) [2024-11-09 13:34:03,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:34:03,833 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-11-09 13:34:03,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:34:03,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 13:34:03,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:34:03,841 INFO L225 Difference]: With dead ends: 39 [2024-11-09 13:34:03,842 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 13:34:03,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:34:03,849 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 13:34:03,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 13:34:03,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 13:34:03,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-09 13:34:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2024-11-09 13:34:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-09 13:34:03,882 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2024-11-09 13:34:03,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:34:03,883 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-09 13:34:03,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2024-11-09 13:34:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-09 13:34:03,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:34:03,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:34:03,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:34:03,889 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 [2024-11-09 13:34:04,087 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 [2024-11-09 13:34:04,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:34:04,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:34:04,088 INFO L85 PathProgramCache]: Analyzing trace with hash -83244189, now seen corresponding path program 1 times [2024-11-09 13:34:04,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:34:04,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038932934] [2024-11-09 13:34:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:34:04,089 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 [2024-11-09 13:34:04,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:34:04,091 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) [2024-11-09 13:34:04,092 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 [2024-11-09 13:34:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:34:04,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 13:34:04,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 13:34:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:34:04,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 13:34:04,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 13:34:04,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038932934] [2024-11-09 13:34:04,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038932934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:34:04,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:34:04,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 13:34:04,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410609182] [2024-11-09 13:34:04,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:34:04,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:34:04,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 13:34:04,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:34:04,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:34:04,200 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:34:04,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:34:04,213 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-09 13:34:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:34:04,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 13:34:04,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:34:04,214 INFO L225 Difference]: With dead ends: 15 [2024-11-09 13:34:04,214 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 13:34:04,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:34:04,216 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 13:34:04,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 13:34:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 13:34:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 13:34:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2024-11-09 13:34:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-09 13:34:04,224 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2024-11-09 13:34:04,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:34:04,224 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-09 13:34:04,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:34:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-09 13:34:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 13:34:04,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:34:04,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:34:04,230 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 [2024-11-09 13:34:04,425 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 [2024-11-09 13:34:04,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:34:04,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:34:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1714397495, now seen corresponding path program 1 times [2024-11-09 13:34:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:34:04,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249974585] [2024-11-09 13:34:04,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:34:04,428 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 [2024-11-09 13:34:04,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:34:04,431 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) [2024-11-09 13:34:04,433 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 [2024-11-09 13:34:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:34:04,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 13:34:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:34:04,551 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 13:34:04,552 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 13:34:04,556 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 13:34:04,558 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 13:34:04,563 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 [2024-11-09 13:34:04,758 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 [2024-11-09 13:34:04,762 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 13:34:04,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 13:34:04,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:34:04 BoogieIcfgContainer [2024-11-09 13:34:04,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 13:34:04,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 13:34:04,787 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 13:34:04,787 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 13:34:04,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:34:03" (3/4) ... [2024-11-09 13:34:04,791 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 13:34:04,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 13:34:04,793 INFO L158 Benchmark]: Toolchain (without parser) took 3096.71ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 35.1MB in the beginning and 53.2MB in the end (delta: -18.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-09 13:34:04,795 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 46.1MB. Free memory was 25.5MB in the beginning and 25.5MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:34:04,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1245.31ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 34.8MB in the beginning and 54.9MB in the end (delta: -20.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-09 13:34:04,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.35ms. Allocated memory is still 90.2MB. Free memory was 54.9MB in the beginning and 51.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 13:34:04,796 INFO L158 Benchmark]: Boogie Preprocessor took 62.94ms. Allocated memory is still 90.2MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:34:04,798 INFO L158 Benchmark]: RCFGBuilder took 378.34ms. Allocated memory is still 90.2MB. Free memory was 49.7MB in the beginning and 36.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 13:34:04,798 INFO L158 Benchmark]: TraceAbstraction took 1331.97ms. Allocated memory is still 90.2MB. Free memory was 35.5MB in the beginning and 53.7MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:34:04,800 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 53.2MB in the end (delta: 578.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:34:04,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 46.1MB. Free memory was 25.5MB in the beginning and 25.5MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1245.31ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 34.8MB in the beginning and 54.9MB in the end (delta: -20.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.35ms. Allocated memory is still 90.2MB. Free memory was 54.9MB in the beginning and 51.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.94ms. Allocated memory is still 90.2MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.34ms. Allocated memory is still 90.2MB. Free memory was 49.7MB in the beginning and 36.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1331.97ms. Allocated memory is still 90.2MB. Free memory was 35.5MB in the beginning and 53.7MB in the end (delta: -18.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 53.2MB in the end (delta: 578.8kB). 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: 1560]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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_multiply_13_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 GLOBAL_CONST_FIVE==5 [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 GLOBAL_CONST_FIVE==5 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] [L1558] COND TRUE data > 0 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] [L1560] data * 2 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: 1560]: 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, 22 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, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 33 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 4 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 [2024-11-09 13:34:04,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample