./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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_postinc_18_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 da944f100e8cf489b90deded4befb5e121072716fe845bb211302b8a5149579a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:16:27,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:16:27,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 06:16:27,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:16:27,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:16:27,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:16:27,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:16:27,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:16:27,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:16:27,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:16:27,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:16:27,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:16:27,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:16:27,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:16:27,490 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:16:27,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:16:27,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:16:27,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 06:16:27,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:16:27,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:16:27,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:16:27,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:16:27,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:16:27,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:16:27,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:16:27,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:16:27,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:16:27,495 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:16:27,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:16:27,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:16:27,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:16:27,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:16:27,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:16:27,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:16:27,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:16:27,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 06:16:27,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 06:16:27,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:16:27,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:16:27,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:16:27,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:16:27,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da944f100e8cf489b90deded4befb5e121072716fe845bb211302b8a5149579a [2024-11-17 06:16:27,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:16:27,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:16:27,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:16:27,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:16:27,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:16:27,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_18_bad.i [2024-11-17 06:16:29,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:16:29,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:16:29,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_18_bad.i [2024-11-17 06:16:29,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb3e2f60/541f803ce6fb41839552051dd063b688/FLAGa02692f87 [2024-11-17 06:16:29,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb3e2f60/541f803ce6fb41839552051dd063b688 [2024-11-17 06:16:29,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:16:29,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:16:29,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:16:29,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:16:29,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:16:29,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:16:29" (1/1) ... [2024-11-17 06:16:29,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0581dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:29, skipping insertion in model container [2024-11-17 06:16:29,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:16:29" (1/1) ... [2024-11-17 06:16:29,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:16:30,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:16:30,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:16:30,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:16:30,591 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:16:30,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30 WrapperNode [2024-11-17 06:16:30,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:16:30,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:16:30,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:16:30,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:16:30,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,633 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-17 06:16:30,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:16:30,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:16:30,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:16:30,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:16:30,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,651 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:16:30,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,654 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:16:30,658 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:16:30,658 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:16:30,658 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:16:30,659 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (1/1) ... [2024-11-17 06:16:30,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:16:30,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:16:30,690 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) [2024-11-17 06:16:30,692 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 [2024-11-17 06:16:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:16:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:16:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:16:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:16:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:16:30,850 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:16:30,852 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:16:30,946 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-17 06:16:30,947 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:16:30,961 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:16:30,961 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:16:30,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:16:30 BoogieIcfgContainer [2024-11-17 06:16:30,961 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:16:30,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:16:30,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:16:30,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:16:30,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:16:29" (1/3) ... [2024-11-17 06:16:30,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce4db70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:16:30, skipping insertion in model container [2024-11-17 06:16:30,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:30" (2/3) ... [2024-11-17 06:16:30,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce4db70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:16:30, skipping insertion in model container [2024-11-17 06:16:30,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:16:30" (3/3) ... [2024-11-17 06:16:30,971 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_18_bad.i [2024-11-17 06:16:30,984 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:16:30,985 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:16:31,039 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:16:31,047 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;@1f07843, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:16:31,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:16:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-17 06:16:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 06:16:31,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:16:31,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:16:31,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:16:31,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:16:31,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-17 06:16:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:16:31,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710623595] [2024-11-17 06:16:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:16:31,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:16:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:16:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 06:16:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:16:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 06:16:31,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 06:16:31,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710623595] [2024-11-17 06:16:31,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710623595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 06:16:31,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 06:16:31,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 06:16:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822333708] [2024-11-17 06:16:31,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 06:16:31,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 06:16:31,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 06:16:31,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 06:16:31,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 06:16:31,328 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:16:31,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 06:16:31,346 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2024-11-17 06:16:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 06:16:31,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-17 06:16:31,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 06:16:31,356 INFO L225 Difference]: With dead ends: 26 [2024-11-17 06:16:31,356 INFO L226 Difference]: Without dead ends: 13 [2024-11-17 06:16:31,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 06:16:31,362 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 06:16:31,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 06:16:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-17 06:16:31,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-17 06:16:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:16:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-17 06:16:31,388 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-11-17 06:16:31,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 06:16:31,388 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-17 06:16:31,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:16:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-17 06:16:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 06:16:31,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:16:31,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:16:31,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 06:16:31,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:16:31,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:16:31,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1805549824, now seen corresponding path program 1 times [2024-11-17 06:16:31,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 06:16:31,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549517508] [2024-11-17 06:16:31,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:16:31,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 06:16:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:16:31,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:16:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:16:31,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 06:16:31,470 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:16:31,472 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:16:31,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:16:31,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 06:16:31,479 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 06:16:31,536 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:16:31,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:16:31 BoogieIcfgContainer [2024-11-17 06:16:31,539 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:16:31,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:16:31,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:16:31,540 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:16:31,541 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:16:30" (3/4) ... [2024-11-17 06:16:31,542 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:16:31,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:16:31,546 INFO L158 Benchmark]: Toolchain (without parser) took 1866.61ms. Allocated memory is still 182.5MB. Free memory was 108.9MB in the beginning and 149.8MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:16:31,547 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 182.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:16:31,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.92ms. Allocated memory is still 182.5MB. Free memory was 108.7MB in the beginning and 102.5MB in the end (delta: 6.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-17 06:16:31,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.12ms. Allocated memory is still 182.5MB. Free memory was 102.5MB in the beginning and 99.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 06:16:31,548 INFO L158 Benchmark]: Boogie Preprocessor took 20.76ms. Allocated memory is still 182.5MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:16:31,548 INFO L158 Benchmark]: IcfgBuilder took 304.57ms. Allocated memory is still 182.5MB. Free memory was 97.2MB in the beginning and 84.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 06:16:31,548 INFO L158 Benchmark]: TraceAbstraction took 575.62ms. Allocated memory is still 182.5MB. Free memory was 84.6MB in the beginning and 149.8MB in the end (delta: -65.3MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-17 06:16:31,548 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 182.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:16:31,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 182.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.92ms. Allocated memory is still 182.5MB. Free memory was 108.7MB in the beginning and 102.5MB in the end (delta: 6.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.12ms. Allocated memory is still 182.5MB. Free memory was 102.5MB in the beginning and 99.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.76ms. Allocated memory is still 182.5MB. Free memory was 99.2MB in the beginning and 97.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 304.57ms. Allocated memory is still 182.5MB. Free memory was 97.2MB in the beginning and 84.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 575.62ms. Allocated memory is still 182.5MB. Free memory was 84.6MB in the beginning and 149.8MB in the end (delta: -65.3MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 182.5MB. Free memory is still 149.8MB. 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: 1558]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_max_postinc_18_bad() [L1550] int data; [L1551] data = 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] [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] [L1558] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-11-17 06:16:31,583 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 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_postinc_18_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 da944f100e8cf489b90deded4befb5e121072716fe845bb211302b8a5149579a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 06:16:33,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 06:16:34,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-17 06:16:34,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 06:16:34,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 06:16:34,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-17 06:16:34,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 06:16:34,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 06:16:34,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 06:16:34,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 06:16:34,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 06:16:34,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 06:16:34,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 06:16:34,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 06:16:34,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 06:16:34,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 06:16:34,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 06:16:34,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 06:16:34,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 06:16:34,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 06:16:34,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 06:16:34,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 06:16:34,046 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 06:16:34,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-17 06:16:34,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 06:16:34,047 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 06:16:34,047 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-17 06:16:34,047 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 06:16:34,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 06:16:34,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 06:16:34,048 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 06:16:34,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 06:16:34,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 06:16:34,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 06:16:34,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:16:34,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 06:16:34,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 06:16:34,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 06:16:34,049 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-17 06:16:34,050 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-17 06:16:34,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 06:16:34,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 06:16:34,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 06:16:34,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 06:16:34,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da944f100e8cf489b90deded4befb5e121072716fe845bb211302b8a5149579a [2024-11-17 06:16:34,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 06:16:34,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 06:16:34,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 06:16:34,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 06:16:34,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 06:16:34,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_18_bad.i [2024-11-17 06:16:35,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 06:16:36,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 06:16:36,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_18_bad.i [2024-11-17 06:16:36,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013564cfa/89ed4afd64f04035a45bbf3828e299cc/FLAGa5bdb68bd [2024-11-17 06:16:36,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/013564cfa/89ed4afd64f04035a45bbf3828e299cc [2024-11-17 06:16:36,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 06:16:36,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 06:16:36,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 06:16:36,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 06:16:36,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 06:16:36,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:16:36" (1/1) ... [2024-11-17 06:16:36,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb8e1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:36, skipping insertion in model container [2024-11-17 06:16:36,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:16:36" (1/1) ... [2024-11-17 06:16:36,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 06:16:36,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:16:36,955 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 06:16:37,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 06:16:37,203 INFO L204 MainTranslator]: Completed translation [2024-11-17 06:16:37,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37 WrapperNode [2024-11-17 06:16:37,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 06:16:37,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 06:16:37,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 06:16:37,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 06:16:37,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,255 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-17 06:16:37,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 06:16:37,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 06:16:37,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 06:16:37,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 06:16:37,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,274 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 06:16:37,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 06:16:37,286 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 06:16:37,286 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 06:16:37,286 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 06:16:37,287 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (1/1) ... [2024-11-17 06:16:37,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 06:16:37,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 06:16:37,324 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) [2024-11-17 06:16:37,337 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 [2024-11-17 06:16:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-17 06:16:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-17 06:16:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 06:16:37,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 06:16:37,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 06:16:37,501 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 06:16:37,503 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 06:16:37,637 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-17 06:16:37,637 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 06:16:37,648 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 06:16:37,649 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 06:16:37,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:16:37 BoogieIcfgContainer [2024-11-17 06:16:37,650 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 06:16:37,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 06:16:37,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 06:16:37,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 06:16:37,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:16:36" (1/3) ... [2024-11-17 06:16:37,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75458a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:16:37, skipping insertion in model container [2024-11-17 06:16:37,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:16:37" (2/3) ... [2024-11-17 06:16:37,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75458a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:16:37, skipping insertion in model container [2024-11-17 06:16:37,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:16:37" (3/3) ... [2024-11-17 06:16:37,658 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_18_bad.i [2024-11-17 06:16:37,672 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 06:16:37,673 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 06:16:37,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 06:16:37,735 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;@57ce0f81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 06:16:37,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 06:16:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-11-17 06:16:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 06:16:37,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:16:37,745 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:16:37,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:16:37,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:16:37,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1028074867, now seen corresponding path program 1 times [2024-11-17 06:16:37,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:16:37,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423559277] [2024-11-17 06:16:37,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:16:37,764 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 [2024-11-17 06:16:37,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:16:37,769 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) [2024-11-17 06:16:37,771 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 [2024-11-17 06:16:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 06:16:37,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-17 06:16:37,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 06:16:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 06:16:37,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 06:16:37,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-17 06:16:37,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423559277] [2024-11-17 06:16:37,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423559277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 06:16:37,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 06:16:37,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 06:16:37,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047172453] [2024-11-17 06:16:37,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 06:16:37,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 06:16:37,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-17 06:16:37,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 06:16:37,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 06:16:37,920 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:16:37,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 06:16:37,935 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-17 06:16:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 06:16:37,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-17 06:16:37,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 06:16:37,964 INFO L225 Difference]: With dead ends: 22 [2024-11-17 06:16:37,964 INFO L226 Difference]: Without dead ends: 13 [2024-11-17 06:16:37,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 06:16:37,970 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 06:16:37,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 06:16:37,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-17 06:16:37,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-17 06:16:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:16:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-17 06:16:37,998 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2024-11-17 06:16:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 06:16:37,998 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-17 06:16:37,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 06:16:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-17 06:16:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 06:16:37,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 06:16:38,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 06:16:38,004 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 [2024-11-17 06:16:38,203 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 [2024-11-17 06:16:38,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 06:16:38,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 06:16:38,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1805549824, now seen corresponding path program 1 times [2024-11-17 06:16:38,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-17 06:16:38,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571536667] [2024-11-17 06:16:38,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 06:16:38,207 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 [2024-11-17 06:16:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-17 06:16:38,210 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) [2024-11-17 06:16:38,211 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 [2024-11-17 06:16:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:16:38,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 06:16:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 06:16:38,343 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-17 06:16:38,346 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 06:16:38,348 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 06:16:38,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 06:16:38,363 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-17 06:16:38,560 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 [2024-11-17 06:16:38,563 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-17 06:16:38,585 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 06:16:38,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:16:38 BoogieIcfgContainer [2024-11-17 06:16:38,588 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 06:16:38,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 06:16:38,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 06:16:38,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 06:16:38,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 06:16:37" (3/4) ... [2024-11-17 06:16:38,595 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-17 06:16:38,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 06:16:38,597 INFO L158 Benchmark]: Toolchain (without parser) took 2342.54ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 35.0MB in the beginning and 81.0MB in the end (delta: -45.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:16:38,597 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 77.6MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:16:38,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 949.27ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 34.8MB in the beginning and 88.9MB in the end (delta: -54.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-11-17 06:16:38,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.60ms. Allocated memory is still 121.6MB. Free memory was 88.9MB in the beginning and 85.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 06:16:38,598 INFO L158 Benchmark]: Boogie Preprocessor took 29.43ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 06:16:38,612 INFO L158 Benchmark]: IcfgBuilder took 363.78ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 70.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 06:16:38,613 INFO L158 Benchmark]: TraceAbstraction took 936.20ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 81.5MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:16:38,613 INFO L158 Benchmark]: Witness Printer took 7.95ms. Allocated memory is still 121.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 06:16:38,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 77.6MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 949.27ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 34.8MB in the beginning and 88.9MB in the end (delta: -54.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.60ms. Allocated memory is still 121.6MB. Free memory was 88.9MB in the beginning and 85.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.43ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 363.78ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 70.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 936.20ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 81.5MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.95ms. Allocated memory is still 121.6MB. Free memory is still 81.0MB. 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: 1558]: 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 1566. 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_max_postinc_18_bad() [L1550] int data; [L1551] data = 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] [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] [L1558] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-11-17 06:16:38,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample