./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_53_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 c569352b9134098491aa74fd9e8ca3c3f9baa485d66534be999b0da450e55e4e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 13:40:34,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 13:40:34,407 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 13:40:34,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 13:40:34,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 13:40:34,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 13:40:34,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 13:40:34,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 13:40:34,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 13:40:34,451 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 13:40:34,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 13:40:34,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 13:40:34,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 13:40:34,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 13:40:34,457 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 13:40:34,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 13:40:34,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 13:40:34,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 13:40:34,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 13:40:34,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 13:40:34,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 13:40:34,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 13:40:34,463 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 13:40:34,463 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 13:40:34,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 13:40:34,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 13:40:34,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 13:40:34,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 13:40:34,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 13:40:34,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 13:40:34,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 13:40:34,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:40:34,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 13:40:34,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 13:40:34,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 13:40:34,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 13:40:34,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 13:40:34,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 13:40:34,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 13:40:34,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 13:40:34,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 13:40:34,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c569352b9134098491aa74fd9e8ca3c3f9baa485d66534be999b0da450e55e4e [2024-11-09 13:40:34,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 13:40:34,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 13:40:34,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 13:40:34,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 13:40:34,736 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 13:40:34,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_53_bad.i [2024-11-09 13:40:36,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 13:40:36,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 13:40:36,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_53_bad.i [2024-11-09 13:40:36,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d27672c/eda67b10b5cf418e840a9e3501f3235d/FLAG8bce18308 [2024-11-09 13:40:36,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d27672c/eda67b10b5cf418e840a9e3501f3235d [2024-11-09 13:40:36,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 13:40:36,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 13:40:36,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 13:40:36,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 13:40:36,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 13:40:36,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:40:36" (1/1) ... [2024-11-09 13:40:36,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf9ac46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:36, skipping insertion in model container [2024-11-09 13:40:36,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:40:36" (1/1) ... [2024-11-09 13:40:36,763 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 13:40:37,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:40:37,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 13:40:37,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:40:37,676 INFO L204 MainTranslator]: Completed translation [2024-11-09 13:40:37,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37 WrapperNode [2024-11-09 13:40:37,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 13:40:37,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 13:40:37,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 13:40:37,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 13:40:37,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,755 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 103 [2024-11-09 13:40:37,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 13:40:37,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 13:40:37,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 13:40:37,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 13:40:37,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,791 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 13:40:37,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 13:40:37,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 13:40:37,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 13:40:37,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 13:40:37,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (1/1) ... [2024-11-09 13:40:37,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:40:37,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 13:40:37,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 13:40:37,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 13:40:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 13:40:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 13:40:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 13:40:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 13:40:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 13:40:38,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 13:40:38,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 13:40:38,249 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-09 13:40:38,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 13:40:38,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 13:40:38,263 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 13:40:38,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:40:38 BoogieIcfgContainer [2024-11-09 13:40:38,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 13:40:38,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 13:40:38,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 13:40:38,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 13:40:38,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:40:36" (1/3) ... [2024-11-09 13:40:38,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2add9baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:40:38, skipping insertion in model container [2024-11-09 13:40:38,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:37" (2/3) ... [2024-11-09 13:40:38,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2add9baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:40:38, skipping insertion in model container [2024-11-09 13:40:38,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:40:38" (3/3) ... [2024-11-09 13:40:38,273 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_53_bad.i [2024-11-09 13:40:38,290 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 13:40:38,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 13:40:38,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 13:40:38,354 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;@1ffd2974, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 13:40:38,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 13:40:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 39 states have (on average 1.435897435897436) internal successors, (56), 41 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 13:40:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 13:40:38,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:40:38,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:40:38,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:40:38,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:40:38,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1949958061, now seen corresponding path program 1 times [2024-11-09 13:40:38,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:40:38,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977313082] [2024-11-09 13:40:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:40:38,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:40:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:40:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 13:40:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:40:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:40:38,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 13:40:38,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977313082] [2024-11-09 13:40:38,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977313082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:40:38,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:40:38,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 13:40:38,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897571354] [2024-11-09 13:40:38,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:40:38,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:40:38,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 13:40:38,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:40:38,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:40:38,731 INFO L87 Difference]: Start difference. First operand has 45 states, 39 states have (on average 1.435897435897436) internal successors, (56), 41 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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) [2024-11-09 13:40:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:40:38,765 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2024-11-09 13:40:38,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:40:38,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (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 16 [2024-11-09 13:40:38,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:40:38,776 INFO L225 Difference]: With dead ends: 45 [2024-11-09 13:40:38,776 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 13:40:38,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:40:38,783 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 13:40:38,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 108 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 13:40:38,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 13:40:38,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-09 13:40:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 31 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:40:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2024-11-09 13:40:38,829 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 16 [2024-11-09 13:40:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:40:38,829 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2024-11-09 13:40:38,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:40:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2024-11-09 13:40:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 13:40:38,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:40:38,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:40:38,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 13:40:38,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:40:38,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:40:38,833 INFO L85 PathProgramCache]: Analyzing trace with hash -319157619, now seen corresponding path program 1 times [2024-11-09 13:40:38,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:40:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77841662] [2024-11-09 13:40:38,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:40:38,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:40:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:40:39,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 13:40:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:40:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:40:39,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 13:40:39,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77841662] [2024-11-09 13:40:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77841662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:40:39,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:40:39,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 13:40:39,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476611083] [2024-11-09 13:40:39,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:40:39,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 13:40:39,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 13:40:39,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 13:40:39,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 13:40:39,185 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2024-11-09 13:40:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:40:39,261 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2024-11-09 13:40:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 13:40:39,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 [2024-11-09 13:40:39,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:40:39,263 INFO L225 Difference]: With dead ends: 40 [2024-11-09 13:40:39,264 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 13:40:39,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 13:40:39,266 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 13:40:39,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 186 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 13:40:39,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 13:40:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-09 13:40:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:40:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-09 13:40:39,272 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 17 [2024-11-09 13:40:39,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:40:39,272 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-09 13:40:39,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2024-11-09 13:40:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-09 13:40:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 13:40:39,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:40:39,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:40:39,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 13:40:39,275 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:40:39,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:40:39,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1648916199, now seen corresponding path program 1 times [2024-11-09 13:40:39,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 13:40:39,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623995722] [2024-11-09 13:40:39,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:40:39,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 13:40:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:40:39,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 13:40:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:40:39,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 13:40:39,345 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 13:40:39,346 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 13:40:39,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 13:40:39,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 13:40:39,354 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 13:40:39,384 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 13:40:39,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:40:39 BoogieIcfgContainer [2024-11-09 13:40:39,392 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 13:40:39,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 13:40:39,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 13:40:39,394 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 13:40:39,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:40:38" (3/4) ... [2024-11-09 13:40:39,398 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 13:40:39,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 13:40:39,400 INFO L158 Benchmark]: Toolchain (without parser) took 2708.80ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 125.1MB in the end (delta: -29.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:40:39,400 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:40:39,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 986.26ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 82.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 13:40:39,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.19ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 79.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:40:39,404 INFO L158 Benchmark]: Boogie Preprocessor took 53.20ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:40:39,405 INFO L158 Benchmark]: RCFGBuilder took 453.17ms. Allocated memory is still 167.8MB. Free memory was 76.9MB in the beginning and 125.4MB in the end (delta: -48.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-09 13:40:39,405 INFO L158 Benchmark]: TraceAbstraction took 1125.77ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 126.2MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:40:39,405 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 125.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:40:39,407 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 986.26ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 82.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.19ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 79.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.20ms. Allocated memory is still 167.8MB. Free memory was 79.6MB in the beginning and 76.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.17ms. Allocated memory is still 167.8MB. Free memory was 76.9MB in the beginning and 125.4MB in the end (delta: -48.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1125.77ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 126.2MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 125.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 1578]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 294 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 95 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 13:40:39,442 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_multiply_53_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 c569352b9134098491aa74fd9e8ca3c3f9baa485d66534be999b0da450e55e4e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 13:40:41,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 13:40:41,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-09 13:40:41,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 13:40:41,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 13:40:41,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-09 13:40:41,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 13:40:41,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 13:40:41,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 13:40:41,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 13:40:41,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 13:40:41,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 13:40:41,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 13:40:41,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 13:40:41,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 13:40:41,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 13:40:41,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 13:40:41,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 13:40:41,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 13:40:41,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 13:40:41,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 13:40:41,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 13:40:41,853 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 13:40:41,853 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 13:40:41,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 13:40:41,854 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 13:40:41,854 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 13:40:41,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 13:40:41,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 13:40:41,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 13:40:41,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 13:40:41,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 13:40:41,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 13:40:41,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 13:40:41,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:40:41,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 13:40:41,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 13:40:41,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 13:40:41,859 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 13:40:41,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 13:40:41,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 13:40:41,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 13:40:41,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 13:40:41,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 13:40:41,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c569352b9134098491aa74fd9e8ca3c3f9baa485d66534be999b0da450e55e4e [2024-11-09 13:40:42,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 13:40:42,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 13:40:42,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 13:40:42,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 13:40:42,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 13:40:42,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_53_bad.i [2024-11-09 13:40:43,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 13:40:44,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 13:40:44,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_53_bad.i [2024-11-09 13:40:44,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d12a701c/fa97e02a14cd4f168be8c73c3bc25301/FLAG920fd6883 [2024-11-09 13:40:44,154 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d12a701c/fa97e02a14cd4f168be8c73c3bc25301 [2024-11-09 13:40:44,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 13:40:44,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 13:40:44,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 13:40:44,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 13:40:44,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 13:40:44,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:40:44" (1/1) ... [2024-11-09 13:40:44,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0e40ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:44, skipping insertion in model container [2024-11-09 13:40:44,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:40:44" (1/1) ... [2024-11-09 13:40:44,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 13:40:45,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:40:45,127 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 13:40:45,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 13:40:45,369 INFO L204 MainTranslator]: Completed translation [2024-11-09 13:40:45,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45 WrapperNode [2024-11-09 13:40:45,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 13:40:45,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 13:40:45,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 13:40:45,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 13:40:45,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,423 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2024-11-09 13:40:45,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 13:40:45,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 13:40:45,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 13:40:45,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 13:40:45,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,452 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 13:40:45,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 13:40:45,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 13:40:45,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 13:40:45,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 13:40:45,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (1/1) ... [2024-11-09 13:40:45,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 13:40:45,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 13:40:45,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 13:40:45,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 13:40:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 13:40:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 13:40:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 13:40:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 13:40:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 13:40:45,728 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 13:40:45,730 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 13:40:45,898 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-09 13:40:45,898 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 13:40:45,914 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 13:40:45,917 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 13:40:45,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:40:45 BoogieIcfgContainer [2024-11-09 13:40:45,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 13:40:45,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 13:40:45,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 13:40:45,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 13:40:45,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:40:44" (1/3) ... [2024-11-09 13:40:45,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c06cd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:40:45, skipping insertion in model container [2024-11-09 13:40:45,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:40:45" (2/3) ... [2024-11-09 13:40:45,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c06cd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:40:45, skipping insertion in model container [2024-11-09 13:40:45,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:40:45" (3/3) ... [2024-11-09 13:40:45,931 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_53_bad.i [2024-11-09 13:40:45,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 13:40:45,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 13:40:46,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 13:40:46,050 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;@318bbc8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 13:40:46,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 13:40:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 13:40:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 13:40:46,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:40:46,063 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:40:46,063 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:40:46,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:40:46,069 INFO L85 PathProgramCache]: Analyzing trace with hash -251070947, now seen corresponding path program 1 times [2024-11-09 13:40:46,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:40:46,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119049722] [2024-11-09 13:40:46,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:40:46,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 13:40:46,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:40:46,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 13:40:46,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 13:40:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 13:40:46,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 13:40:46,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 13:40:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 13:40:46,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 13:40:46,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 13:40:46,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119049722] [2024-11-09 13:40:46,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119049722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 13:40:46,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 13:40:46,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 13:40:46,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335106069] [2024-11-09 13:40:46,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 13:40:46,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 13:40:46,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 13:40:46,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 13:40:46,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:40:46,313 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:40:46,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 13:40:46,347 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2024-11-09 13:40:46,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 13:40:46,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 13:40:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 13:40:46,358 INFO L225 Difference]: With dead ends: 25 [2024-11-09 13:40:46,358 INFO L226 Difference]: Without dead ends: 14 [2024-11-09 13:40:46,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 13:40:46,366 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 13:40:46,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 13:40:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-09 13:40:46,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-09 13:40:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:40:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-09 13:40:46,398 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2024-11-09 13:40:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 13:40:46,398 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-09 13:40:46,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 13:40:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 13:40:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 13:40:46,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 13:40:46,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 13:40:46,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 13:40:46,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 13:40:46,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 13:40:46,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 13:40:46,605 INFO L85 PathProgramCache]: Analyzing trace with hash 806735291, now seen corresponding path program 1 times [2024-11-09 13:40:46,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 13:40:46,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133990630] [2024-11-09 13:40:46,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 13:40:46,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 13:40:46,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 13:40:46,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 13:40:46,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 13:40:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:40:46,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 13:40:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 13:40:46,763 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 13:40:46,764 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 13:40:46,765 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 13:40:46,769 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 13:40:46,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 13:40:46,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 13:40:46,974 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 13:40:46,995 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 13:40:47,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:40:47 BoogieIcfgContainer [2024-11-09 13:40:47,001 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 13:40:47,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 13:40:47,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 13:40:47,002 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 13:40:47,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:40:45" (3/4) ... [2024-11-09 13:40:47,006 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 13:40:47,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 13:40:47,008 INFO L158 Benchmark]: Toolchain (without parser) took 2849.70ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 34.4MB in the beginning and 33.0MB in the end (delta: 1.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-09 13:40:47,008 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 54.5MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 13:40:47,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1209.68ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 34.2MB in the beginning and 60.2MB in the end (delta: -26.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-09 13:40:47,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.42ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 57.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:40:47,010 INFO L158 Benchmark]: Boogie Preprocessor took 53.77ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 54.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:40:47,010 INFO L158 Benchmark]: RCFGBuilder took 438.69ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 13:40:47,011 INFO L158 Benchmark]: TraceAbstraction took 1078.65ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 33.7MB in the end (delta: 5.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-09 13:40:47,011 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 92.3MB. Free memory was 33.7MB in the beginning and 33.0MB in the end (delta: 653.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 13:40:47,014 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 54.5MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1209.68ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 34.2MB in the beginning and 60.2MB in the end (delta: -26.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.42ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 57.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.77ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 54.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.69ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1078.65ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 33.7MB in the end (delta: 5.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 92.3MB. Free memory was 33.7MB in the beginning and 33.0MB in the end (delta: 653.7kB). Peak memory consumption was 2.1MB. 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: 1578]: 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 1559. 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] 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, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_53b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_53c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_53d_badSink(data) [L1576] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1578]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 2 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 [2024-11-09 13:40:47,047 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