./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:55:26,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:55:26,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 22:55:26,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:55:26,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:55:26,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:55:26,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:55:26,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:55:26,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:55:26,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:55:26,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:55:26,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:55:26,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:55:26,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:55:26,363 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:55:26,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:55:26,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:55:26,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:55:26,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:55:26,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:55:26,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:55:26,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:55:26,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:55:26,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:55:26,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:55:26,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:55:26,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:55:26,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 22:55:26,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 22:55:26,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:55:26,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:55:26,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:55:26,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:55:26,367 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b [2024-11-07 22:55:26,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:55:26,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:55:26,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:55:26,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:55:26,597 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:55:26,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-07 22:55:27,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:55:28,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:55:28,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-07 22:55:28,074 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/baf486de8/635047ef2848480e941ef25c79383d6a/FLAGb39c122cd [2024-11-07 22:55:28,302 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/baf486de8/635047ef2848480e941ef25c79383d6a [2024-11-07 22:55:28,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:55:28,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:55:28,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:55:28,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:55:28,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:55:28,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:28,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a94f78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28, skipping insertion in model container [2024-11-07 22:55:28,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:28,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:55:28,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:55:28,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:55:28,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:55:28,941 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:55:28,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28 WrapperNode [2024-11-07 22:55:28,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:55:28,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:55:28,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:55:28,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:55:28,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:28,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:28,984 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-11-07 22:55:28,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:55:28,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:55:28,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:55:28,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:55:28,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:28,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:28,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,007 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 22:55:29,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:55:29,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:55:29,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:55:29,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:55:29,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (1/1) ... [2024-11-07 22:55:29,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:55:29,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:55:29,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 22:55:29,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 22:55:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:55:29,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:55:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:55:29,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:55:29,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:55:29,185 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:55:29,186 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:55:29,329 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-07 22:55:29,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:55:29,334 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:55:29,334 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:55:29,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:55:29 BoogieIcfgContainer [2024-11-07 22:55:29,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:55:29,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:55:29,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:55:29,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:55:29,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:55:28" (1/3) ... [2024-11-07 22:55:29,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd63abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:55:29, skipping insertion in model container [2024-11-07 22:55:29,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:28" (2/3) ... [2024-11-07 22:55:29,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd63abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:55:29, skipping insertion in model container [2024-11-07 22:55:29,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:55:29" (3/3) ... [2024-11-07 22:55:29,341 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-07 22:55:29,349 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:55:29,350 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:55:29,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:55:29,387 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;@6e98ae6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:55:29,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:55:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 39 states have internal predecessors, (54), 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) [2024-11-07 22:55:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 22:55:29,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:55:29,394 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:55:29,394 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:55:29,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:55:29,397 INFO L85 PathProgramCache]: Analyzing trace with hash 858330459, now seen corresponding path program 1 times [2024-11-07 22:55:29,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 22:55:29,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890317623] [2024-11-07 22:55:29,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:55:29,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 22:55:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:55:29,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:55:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:55:29,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 22:55:29,578 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:55:29,579 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:55:29,580 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:55:29,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 22:55:29,586 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:55:29,612 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:55:29,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:55:29 BoogieIcfgContainer [2024-11-07 22:55:29,616 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:55:29,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:55:29,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:55:29,619 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:55:29,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:55:29" (3/4) ... [2024-11-07 22:55:29,622 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:55:29,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:55:29,625 INFO L158 Benchmark]: Toolchain (without parser) took 1319.24ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 69.7MB in the end (delta: 11.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-07 22:55:29,626 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:29,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.75ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 65.0MB in the end (delta: 16.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-07 22:55:29,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.37ms. Allocated memory is still 109.1MB. Free memory was 65.0MB in the beginning and 62.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 22:55:29,627 INFO L158 Benchmark]: Boogie Preprocessor took 33.58ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:29,627 INFO L158 Benchmark]: RCFGBuilder took 315.88ms. Allocated memory is still 109.1MB. Free memory was 60.8MB in the beginning and 45.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 22:55:29,627 INFO L158 Benchmark]: TraceAbstraction took 280.26ms. Allocated memory is still 109.1MB. Free memory was 44.6MB in the beginning and 69.8MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:29,628 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 18.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:29,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.75ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 65.0MB in the end (delta: 16.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.37ms. Allocated memory is still 109.1MB. Free memory was 65.0MB in the beginning and 62.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.58ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.88ms. Allocated memory is still 109.1MB. Free memory was 60.8MB in the beginning and 45.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 280.26ms. Allocated memory is still 109.1MB. Free memory was 44.6MB in the beginning and 69.8MB in the end (delta: -25.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 18.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1556]: 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 1571. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-07 22:55:29,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:55:31,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:55:31,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-07 22:55:31,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:55:31,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:55:31,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-07 22:55:31,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:55:31,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:55:31,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:55:31,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:55:31,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:55:31,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:55:31,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:55:31,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:55:31,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:55:31,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:55:31,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:55:31,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:55:31,448 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> e4ef6134414c48f1ed171828d8151daf214e475cbcb520d6db4354041586644b [2024-11-07 22:55:31,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:55:31,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:55:31,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:55:31,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:55:31,806 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:55:31,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-07 22:55:32,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:55:33,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:55:33,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-07 22:55:33,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a7b49b97/597791e5340743cbba599f1907a1e19e/FLAG9649fe080 [2024-11-07 22:55:33,477 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a7b49b97/597791e5340743cbba599f1907a1e19e [2024-11-07 22:55:33,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:55:33,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:55:33,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:55:33,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:55:33,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:55:33,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:55:33" (1/1) ... [2024-11-07 22:55:33,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e60c83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:33, skipping insertion in model container [2024-11-07 22:55:33,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:55:33" (1/1) ... [2024-11-07 22:55:33,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:55:33,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:55:33,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:55:34,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:55:34,119 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:55:34,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34 WrapperNode [2024-11-07 22:55:34,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:55:34,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:55:34,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:55:34,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:55:34,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,157 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-11-07 22:55:34,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:55:34,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:55:34,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:55:34,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:55:34,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,181 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 22:55:34,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:55:34,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:55:34,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:55:34,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:55:34,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (1/1) ... [2024-11-07 22:55:34,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:55:34,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:55:34,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 22:55:34,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 22:55:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:55:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:55:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:55:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:55:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:55:34,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:55:34,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:55:34,411 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-07 22:55:34,411 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:55:34,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:55:34,416 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:55:34,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:55:34 BoogieIcfgContainer [2024-11-07 22:55:34,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:55:34,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:55:34,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:55:34,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:55:34,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:55:33" (1/3) ... [2024-11-07 22:55:34,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f16d256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:55:34, skipping insertion in model container [2024-11-07 22:55:34,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:55:34" (2/3) ... [2024-11-07 22:55:34,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f16d256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:55:34, skipping insertion in model container [2024-11-07 22:55:34,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:55:34" (3/3) ... [2024-11-07 22:55:34,422 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_45_bad.i [2024-11-07 22:55:34,430 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:55:34,430 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:55:34,461 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:55:34,486 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;@6e394b63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:55:34,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:55:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 22:55:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 22:55:34,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:55:34,497 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:55:34,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:55:34,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:55:34,503 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2024-11-07 22:55:34,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 22:55:34,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429275946] [2024-11-07 22:55:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:55:34,510 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 [2024-11-07 22:55:34,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 22:55:34,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2024-11-07 22:55:34,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 22:55:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:55:34,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:55:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:55:34,656 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 22:55:34,659 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:55:34,660 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:55:34,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:55:34,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2024-11-07 22:55:34,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2024-11-07 22:55:34,865 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:55:34,884 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:55:34,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:55:34 BoogieIcfgContainer [2024-11-07 22:55:34,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:55:34,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:55:34,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:55:34,889 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:55:34,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:55:34" (3/4) ... [2024-11-07 22:55:34,890 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:55:34,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:55:34,892 INFO L158 Benchmark]: Toolchain (without parser) took 1412.42ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 65.5MB in the end (delta: 16.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-07 22:55:34,892 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:34,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.17ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 62.1MB in the end (delta: 19.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-07 22:55:34,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.37ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 59.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:34,893 INFO L158 Benchmark]: Boogie Preprocessor took 34.98ms. Allocated memory is still 109.1MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:34,894 INFO L158 Benchmark]: RCFGBuilder took 219.85ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 43.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 22:55:34,894 INFO L158 Benchmark]: TraceAbstraction took 469.74ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 66.2MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:34,896 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 3.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:55:34,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.17ms. Allocated memory is still 109.1MB. Free memory was 81.7MB in the beginning and 62.1MB in the end (delta: 19.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.37ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 59.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.98ms. Allocated memory is still 109.1MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.85ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 43.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 469.74ms. Allocated memory is still 109.1MB. Free memory was 43.2MB in the beginning and 66.2MB in the end (delta: -23.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 3.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1556]: 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 1571. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_multiply_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_multiply_45_badData; VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE191_Integer_Underflow__int_rand_multiply_45_badData=-1073741825, CWE191_Integer_Underflow__int_rand_multiply_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_multiply_45_goodG2BData=0, 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-07 22:55:34,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample