./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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_rand_postinc_03_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 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:34:22,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:34:22,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 12:34:22,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:34:22,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:34:22,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:34:22,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:34:22,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:34:22,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:34:22,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:34:22,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:34:22,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:34:22,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:34:22,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:34:22,764 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:34:22,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:34:22,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:34:22,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 12:34:22,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:34:22,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:34:22,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:34:22,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:34:22,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:34:22,775 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:34:22,775 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:34:22,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:34:22,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:34:22,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:34:22,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:34:22,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:34:22,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:34:22,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:34:22,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:34:22,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:34:22,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:34:22,779 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 12:34:22,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 12:34:22,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:34:22,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:34:22,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:34:22,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:34:22,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 [2024-11-19 12:34:23,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:34:23,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:34:23,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:34:23,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:34:23,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:34:23,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2024-11-19 12:34:24,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:34:24,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:34:24,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2024-11-19 12:34:24,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6217e8ccb/95c407ba6a7041d7bcb430f6a3a6b951/FLAG90fc5c175 [2024-11-19 12:34:25,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6217e8ccb/95c407ba6a7041d7bcb430f6a3a6b951 [2024-11-19 12:34:25,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:34:25,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:34:25,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:34:25,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:34:25,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:34:25,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:25" (1/1) ... [2024-11-19 12:34:25,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad006b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:25, skipping insertion in model container [2024-11-19 12:34:25,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:25" (1/1) ... [2024-11-19 12:34:25,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:34:26,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:34:26,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:34:26,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:34:26,333 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:34:26,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26 WrapperNode [2024-11-19 12:34:26,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:34:26,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:34:26,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:34:26,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:34:26,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,400 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-19 12:34:26,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:34:26,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:34:26,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:34:26,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:34:26,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,436 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 12:34:26,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:34:26,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:34:26,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:34:26,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:34:26,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (1/1) ... [2024-11-19 12:34:26,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:34:26,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:34:26,527 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) [2024-11-19 12:34:26,531 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 [2024-11-19 12:34:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:34:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:34:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:34:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:34:26,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:34:26,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:34:26,761 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:34:27,002 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-19 12:34:27,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:34:27,013 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:34:27,013 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 12:34:27,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:27 BoogieIcfgContainer [2024-11-19 12:34:27,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:34:27,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:34:27,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:34:27,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:34:27,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:34:25" (1/3) ... [2024-11-19 12:34:27,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41875437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:27, skipping insertion in model container [2024-11-19 12:34:27,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:26" (2/3) ... [2024-11-19 12:34:27,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41875437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:27, skipping insertion in model container [2024-11-19 12:34:27,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:27" (3/3) ... [2024-11-19 12:34:27,026 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2024-11-19 12:34:27,041 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:34:27,041 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:34:27,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:34:27,103 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;@6ce32597, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:34:27,104 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:34:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 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) [2024-11-19 12:34:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:34:27,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:34:27,114 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:34:27,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:34:27,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:34:27,119 INFO L85 PathProgramCache]: Analyzing trace with hash 433338487, now seen corresponding path program 1 times [2024-11-19 12:34:27,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:34:27,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155165021] [2024-11-19 12:34:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:34:27,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:34:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:34:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 12:34:27,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:34:27,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155165021] [2024-11-19 12:34:27,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155165021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:34:27,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:34:27,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 12:34:27,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725349897] [2024-11-19 12:34:27,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:34:27,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 12:34:27,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:34:27,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 12:34:27,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:34:27,371 INFO L87 Difference]: Start difference. First operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 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, 2 states have (on average 4.5) 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) [2024-11-19 12:34:27,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:34:27,386 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2024-11-19 12:34:27,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 12:34:27,388 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) 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 [2024-11-19 12:34:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:34:27,393 INFO L225 Difference]: With dead ends: 59 [2024-11-19 12:34:27,394 INFO L226 Difference]: Without dead ends: 36 [2024-11-19 12:34:27,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:34:27,400 INFO L432 NwaCegarLoop]: 57 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, 57 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 [2024-11-19 12:34:27,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:34:27,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-19 12:34:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-19 12:34:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.46875) internal successors, (47), 33 states have internal predecessors, (47), 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) [2024-11-19 12:34:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-19 12:34:27,441 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 11 [2024-11-19 12:34:27,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:34:27,442 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-19 12:34:27,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) 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) [2024-11-19 12:34:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-19 12:34:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 12:34:27,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:34:27,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:34:27,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 12:34:27,444 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:34:27,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:34:27,445 INFO L85 PathProgramCache]: Analyzing trace with hash -423377772, now seen corresponding path program 1 times [2024-11-19 12:34:27,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:34:27,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525838249] [2024-11-19 12:34:27,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:34:27,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:34:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:34:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 12:34:27,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:34:27,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525838249] [2024-11-19 12:34:27,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525838249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:34:27,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:34:27,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 12:34:27,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660559577] [2024-11-19 12:34:27,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:34:27,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 12:34:27,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:34:27,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 12:34:27,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 12:34:27,914 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-19 12:34:28,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:34:28,054 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2024-11-19 12:34:28,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 12:34:28,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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 17 [2024-11-19 12:34:28,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:34:28,055 INFO L225 Difference]: With dead ends: 42 [2024-11-19 12:34:28,056 INFO L226 Difference]: Without dead ends: 41 [2024-11-19 12:34:28,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-19 12:34:28,057 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 12:34:28,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 191 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 12:34:28,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-19 12:34:28,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2024-11-19 12:34:28,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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) [2024-11-19 12:34:28,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2024-11-19 12:34:28,063 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 17 [2024-11-19 12:34:28,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:34:28,064 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2024-11-19 12:34:28,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-19 12:34:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-11-19 12:34:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 12:34:28,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:34:28,065 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:34:28,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 12:34:28,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:34:28,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:34:28,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1868440622, now seen corresponding path program 1 times [2024-11-19 12:34:28,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:34:28,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506963490] [2024-11-19 12:34:28,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:34:28,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:34:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:34:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 12:34:28,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 12:34:28,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506963490] [2024-11-19 12:34:28,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506963490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:34:28,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:34:28,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 12:34:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677183038] [2024-11-19 12:34:28,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:34:28,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 12:34:28,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 12:34:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 12:34:28,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 12:34:28,200 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-19 12:34:28,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:34:28,217 INFO L93 Difference]: Finished difference Result 40 states and 53 transitions. [2024-11-19 12:34:28,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 12:34:28,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 17 [2024-11-19 12:34:28,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:34:28,219 INFO L225 Difference]: With dead ends: 40 [2024-11-19 12:34:28,219 INFO L226 Difference]: Without dead ends: 39 [2024-11-19 12:34:28,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 12:34:28,220 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 36 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 97 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 [2024-11-19 12:34:28,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 97 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:34:28,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-19 12:34:28,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2024-11-19 12:34:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2024-11-19 12:34:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2024-11-19 12:34:28,230 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 17 [2024-11-19 12:34:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:34:28,231 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2024-11-19 12:34:28,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-19 12:34:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-19 12:34:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 12:34:28,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:34:28,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:34:28,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 12:34:28,234 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:34:28,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:34:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash -239808910, now seen corresponding path program 1 times [2024-11-19 12:34:28,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 12:34:28,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225372917] [2024-11-19 12:34:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:34:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 12:34:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:34:28,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:34:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:34:28,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 12:34:28,319 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:34:28,320 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:34:28,322 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:34:28,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 12:34:28,327 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 12:34:28,354 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:34:28,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:34:28 BoogieIcfgContainer [2024-11-19 12:34:28,362 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:34:28,363 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:34:28,363 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:34:28,363 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:34:28,364 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:27" (3/4) ... [2024-11-19 12:34:28,367 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:34:28,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:34:28,370 INFO L158 Benchmark]: Toolchain (without parser) took 3215.17ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 106.3MB in the beginning and 74.2MB in the end (delta: 32.1MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2024-11-19 12:34:28,371 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:34:28,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1178.86ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 106.3MB in the beginning and 176.9MB in the end (delta: -70.6MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-11-19 12:34:28,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.56ms. Allocated memory is still 234.9MB. Free memory was 176.9MB in the beginning and 173.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 12:34:28,374 INFO L158 Benchmark]: Boogie Preprocessor took 62.80ms. Allocated memory is still 234.9MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:34:28,374 INFO L158 Benchmark]: RCFGBuilder took 548.53ms. Allocated memory is still 234.9MB. Free memory was 171.7MB in the beginning and 153.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 12:34:28,375 INFO L158 Benchmark]: TraceAbstraction took 1345.84ms. Allocated memory is still 234.9MB. Free memory was 152.8MB in the beginning and 74.2MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-11-19 12:34:28,375 INFO L158 Benchmark]: Witness Printer took 6.06ms. Allocated memory is still 234.9MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:34:28,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1178.86ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 106.3MB in the beginning and 176.9MB in the end (delta: -70.6MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.56ms. Allocated memory is still 234.9MB. Free memory was 176.9MB in the beginning and 173.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.80ms. Allocated memory is still 234.9MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.53ms. Allocated memory is still 234.9MB. Free memory was 171.7MB in the beginning and 153.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1345.84ms. Allocated memory is still 234.9MB. Free memory was 152.8MB in the beginning and 74.2MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 6.06ms. Allocated memory is still 234.9MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); 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_rand_postinc_03_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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) 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] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 345 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 140 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2024-11-19 12:34:28,405 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_rand_postinc_03_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 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 12:34:30,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 12:34:30,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 12:34:30,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 12:34:30,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 12:34:30,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 12:34:30,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 12:34:30,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 12:34:30,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 12:34:30,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 12:34:30,815 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 12:34:30,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 12:34:30,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 12:34:30,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 12:34:30,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 12:34:30,819 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 12:34:30,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 12:34:30,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 12:34:30,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 12:34:30,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 12:34:30,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 12:34:30,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 12:34:30,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 12:34:30,824 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 12:34:30,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 12:34:30,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 12:34:30,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 12:34:30,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 12:34:30,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 12:34:30,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 12:34:30,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 12:34:30,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 12:34:30,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 12:34:30,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 12:34:30,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:34:30,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 12:34:30,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 12:34:30,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 12:34:30,828 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 12:34:30,829 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 12:34:30,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 12:34:30,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 12:34:30,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 12:34:30,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 12:34:30,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 [2024-11-19 12:34:31,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 12:34:31,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 12:34:31,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 12:34:31,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 12:34:31,219 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 12:34:31,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2024-11-19 12:34:32,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 12:34:33,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 12:34:33,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2024-11-19 12:34:33,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e9d7bd7/36a20c8a6a264c4094b876b595199234/FLAG46d588a4a [2024-11-19 12:34:33,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e9d7bd7/36a20c8a6a264c4094b876b595199234 [2024-11-19 12:34:33,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 12:34:33,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 12:34:33,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 12:34:33,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 12:34:33,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 12:34:33,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:33" (1/1) ... [2024-11-19 12:34:33,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e13265d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:33, skipping insertion in model container [2024-11-19 12:34:33,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:33" (1/1) ... [2024-11-19 12:34:33,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 12:34:34,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:34:34,334 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 12:34:34,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 12:34:34,572 INFO L204 MainTranslator]: Completed translation [2024-11-19 12:34:34,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34 WrapperNode [2024-11-19 12:34:34,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 12:34:34,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 12:34:34,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 12:34:34,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 12:34:34,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,651 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-19 12:34:34,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 12:34:34,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 12:34:34,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 12:34:34,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 12:34:34,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,686 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 12:34:34,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 12:34:34,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 12:34:34,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 12:34:34,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 12:34:34,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (1/1) ... [2024-11-19 12:34:34,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 12:34:34,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 12:34:34,752 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) [2024-11-19 12:34:34,756 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 [2024-11-19 12:34:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 12:34:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 12:34:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 12:34:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 12:34:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 12:34:34,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 12:34:34,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 12:34:35,156 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-19 12:34:35,156 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 12:34:35,170 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 12:34:35,171 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 12:34:35,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:35 BoogieIcfgContainer [2024-11-19 12:34:35,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 12:34:35,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 12:34:35,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 12:34:35,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 12:34:35,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:34:33" (1/3) ... [2024-11-19 12:34:35,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ef4bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:35, skipping insertion in model container [2024-11-19 12:34:35,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:34" (2/3) ... [2024-11-19 12:34:35,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ef4bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:35, skipping insertion in model container [2024-11-19 12:34:35,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:35" (3/3) ... [2024-11-19 12:34:35,180 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2024-11-19 12:34:35,198 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 12:34:35,198 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 12:34:35,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 12:34:35,272 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;@3420263d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 12:34:35,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 12:34:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) [2024-11-19 12:34:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 12:34:35,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:34:35,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:34:35,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:34:35,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:34:35,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2024-11-19 12:34:35,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:34:35,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694246873] [2024-11-19 12:34:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:34:35,308 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 [2024-11-19 12:34:35,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:34:35,331 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) [2024-11-19 12:34:35,332 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 [2024-11-19 12:34:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 12:34:35,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 12:34:35,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 12:34:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 12:34:35,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 12:34:35,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 12:34:35,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694246873] [2024-11-19 12:34:35,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694246873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 12:34:35,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 12:34:35,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 12:34:35,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537557223] [2024-11-19 12:34:35,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 12:34:35,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 12:34:35,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 12:34:35,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 12:34:35,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 12:34:35,512 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) [2024-11-19 12:34:35,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 12:34:35,530 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2024-11-19 12:34:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 12:34:35,532 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 [2024-11-19 12:34:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 12:34:35,538 INFO L225 Difference]: With dead ends: 38 [2024-11-19 12:34:35,538 INFO L226 Difference]: Without dead ends: 15 [2024-11-19 12:34:35,542 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 [2024-11-19 12:34:35,545 INFO L432 NwaCegarLoop]: 24 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, 24 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 [2024-11-19 12:34:35,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 12:34:35,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-19 12:34:35,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-19 12:34:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-19 12:34:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-19 12:34:35,574 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2024-11-19 12:34:35,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 12:34:35,574 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-19 12:34:35,574 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) [2024-11-19 12:34:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-19 12:34:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 12:34:35,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 12:34:35,575 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 12:34:35,580 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 [2024-11-19 12:34:35,777 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 [2024-11-19 12:34:35,777 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 12:34:35,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 12:34:35,778 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2024-11-19 12:34:35,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 12:34:35,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809556280] [2024-11-19 12:34:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 12:34:35,780 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 [2024-11-19 12:34:35,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 12:34:35,783 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) [2024-11-19 12:34:35,784 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 [2024-11-19 12:34:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:34:35,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 12:34:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 12:34:35,971 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 12:34:35,971 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 12:34:35,978 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 12:34:35,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 12:34:35,991 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 [2024-11-19 12:34:36,182 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 [2024-11-19 12:34:36,186 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-19 12:34:36,211 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 12:34:36,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:34:36 BoogieIcfgContainer [2024-11-19 12:34:36,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 12:34:36,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 12:34:36,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 12:34:36,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 12:34:36,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:35" (3/4) ... [2024-11-19 12:34:36,219 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 12:34:36,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 12:34:36,221 INFO L158 Benchmark]: Toolchain (without parser) took 2764.98ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 52.2MB in the beginning and 43.6MB in the end (delta: 8.6MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-19 12:34:36,221 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 44.0MB. Free memory was 23.0MB in the beginning and 23.0MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:34:36,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1116.60ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 52.0MB in the beginning and 59.5MB in the end (delta: -7.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-19 12:34:36,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.17ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 56.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:34:36,223 INFO L158 Benchmark]: Boogie Preprocessor took 57.43ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 53.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 12:34:36,223 INFO L158 Benchmark]: RCFGBuilder took 459.13ms. Allocated memory is still 100.7MB. Free memory was 53.8MB in the beginning and 73.1MB in the end (delta: -19.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-19 12:34:36,223 INFO L158 Benchmark]: TraceAbstraction took 1041.12ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 43.8MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-19 12:34:36,224 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 100.7MB. Free memory was 43.8MB in the beginning and 43.6MB in the end (delta: 227.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 12:34:36,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 44.0MB. Free memory was 23.0MB in the beginning and 23.0MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1116.60ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 52.0MB in the beginning and 59.5MB in the end (delta: -7.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.17ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 56.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.43ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 53.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.13ms. Allocated memory is still 100.7MB. Free memory was 53.8MB in the beginning and 73.1MB in the end (delta: -19.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1041.12ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 43.8MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 100.7MB. Free memory was 43.8MB in the beginning and 43.6MB in the end (delta: 227.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); 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_rand_postinc_03_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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 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, 24 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, 24 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=23occurred 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, 25 NumberOfCodeBlocks, 25 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 [2024-11-19 12:34:36,259 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