./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_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 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:31:37,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:31:37,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 22:31:37,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:31:37,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:31:37,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:31:37,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:31:37,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:31:37,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:31:37,140 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:31:37,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:31:37,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:31:37,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:31:37,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:31:37,141 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:31:37,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:31:37,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:31:37,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 22:31:37,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:31:37,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:31:37,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:31:37,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:31:37,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:31:37,144 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:31:37,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:31:37,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:31:37,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:31:37,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:31:37,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:31:37,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:31:37,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:31:37,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:31:37,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:31:37,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:31:37,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:31:37,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 22:31:37,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 22:31:37,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:31:37,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:31:37,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:31:37,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:31:37,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 [2024-10-14 22:31:37,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:31:37,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:31:37,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:31:37,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:31:37,369 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:31:37,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-10-14 22:31:38,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:31:38,859 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:31:38,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-10-14 22:31:38,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d43cc05/5086e2bcedea45b7abe34857a52787a6/FLAGfbe06c75f [2024-10-14 22:31:39,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d43cc05/5086e2bcedea45b7abe34857a52787a6 [2024-10-14 22:31:39,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:31:39,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:31:39,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:31:39,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:31:39,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:31:39,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:39,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38145102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39, skipping insertion in model container [2024-10-14 22:31:39,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:39,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:31:39,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:31:39,760 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:31:39,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:31:39,984 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:31:39,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39 WrapperNode [2024-10-14 22:31:39,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:31:39,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:31:39,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:31:39,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:31:39,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,027 INFO L138 Inliner]: procedures = 497, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-10-14 22:31:40,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:31:40,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:31:40,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:31:40,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:31:40,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,045 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:31:40,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:31:40,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:31:40,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:31:40,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:31:40,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (1/1) ... [2024-10-14 22:31:40,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:31:40,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:31:40,098 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) [2024-10-14 22:31:40,100 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 [2024-10-14 22:31:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:31:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:31:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-10-14 22:31:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-10-14 22:31:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:31:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:31:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:31:40,248 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:31:40,249 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:31:40,400 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-10-14 22:31:40,400 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:31:40,429 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:31:40,429 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:31:40,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:40 BoogieIcfgContainer [2024-10-14 22:31:40,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:31:40,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:31:40,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:31:40,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:31:40,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:31:39" (1/3) ... [2024-10-14 22:31:40,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1165dde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:40, skipping insertion in model container [2024-10-14 22:31:40,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:39" (2/3) ... [2024-10-14 22:31:40,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1165dde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:40, skipping insertion in model container [2024-10-14 22:31:40,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:40" (3/3) ... [2024-10-14 22:31:40,435 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-10-14 22:31:40,447 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:31:40,447 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:31:40,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:31:40,488 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;@93bf3c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:31:40,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:31:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 36 states have (on average 1.5) internal successors, (54), 38 states have internal predecessors, (54), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 22:31:40,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 22:31:40,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:40,497 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:40,497 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:40,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:40,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1106863049, now seen corresponding path program 1 times [2024-10-14 22:31:40,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:31:40,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444953782] [2024-10-14 22:31:40,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:40,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:31:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:40,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:31:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:40,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:31:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:31:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 22:31:40,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:31:40,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444953782] [2024-10-14 22:31:40,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444953782] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:31:40,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278247945] [2024-10-14 22:31:40,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:40,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:31:40,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:31:40,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:31:40,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 22:31:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:40,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:31:40,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:31:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 22:31:40,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:31:40,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278247945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:31:40,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:31:40,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:31:40,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733750766] [2024-10-14 22:31:40,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:31:40,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:31:40,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:31:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:31:40,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:31:40,946 INFO L87 Difference]: Start difference. First operand has 45 states, 36 states have (on average 1.5) internal successors, (54), 38 states have internal predecessors, (54), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:31:40,984 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2024-10-14 22:31:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:31:40,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 18 [2024-10-14 22:31:40,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:31:40,992 INFO L225 Difference]: With dead ends: 52 [2024-10-14 22:31:40,992 INFO L226 Difference]: Without dead ends: 46 [2024-10-14 22:31:40,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:31:40,996 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 37 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:31:40,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 70 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:31:41,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-14 22:31:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2024-10-14 22:31:41,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 38 states have internal predecessors, (53), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 22:31:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-10-14 22:31:41,027 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 18 [2024-10-14 22:31:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:31:41,029 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-10-14 22:31:41,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-10-14 22:31:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 22:31:41,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:41,032 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:41,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 22:31:41,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 22:31:41,234 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:41,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:41,235 INFO L85 PathProgramCache]: Analyzing trace with hash 46983987, now seen corresponding path program 1 times [2024-10-14 22:31:41,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:31:41,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027120702] [2024-10-14 22:31:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:41,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:31:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:31:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:31:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 22:31:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 22:31:41,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:31:41,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027120702] [2024-10-14 22:31:41,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027120702] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 22:31:41,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657699162] [2024-10-14 22:31:41,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:41,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 22:31:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:31:41,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 22:31:41,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 22:31:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:31:41,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:31:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 22:31:41,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:31:41,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657699162] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:31:41,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 22:31:41,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-14 22:31:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447215060] [2024-10-14 22:31:41,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:31:41,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:31:41,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:31:41,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:31:41,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:31:41,422 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:41,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:31:41,442 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2024-10-14 22:31:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:31:41,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2024-10-14 22:31:41,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:31:41,444 INFO L225 Difference]: With dead ends: 47 [2024-10-14 22:31:41,445 INFO L226 Difference]: Without dead ends: 41 [2024-10-14 22:31:41,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 22:31:41,446 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 35 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:31:41,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 68 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:31:41,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-14 22:31:41,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-14 22:31:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 22:31:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2024-10-14 22:31:41,458 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 19 [2024-10-14 22:31:41,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:31:41,459 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2024-10-14 22:31:41,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-10-14 22:31:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 22:31:41,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:41,461 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:41,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 22:31:41,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-14 22:31:41,666 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:41,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:41,666 INFO L85 PathProgramCache]: Analyzing trace with hash -274291436, now seen corresponding path program 1 times [2024-10-14 22:31:41,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:31:41,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436683956] [2024-10-14 22:31:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:41,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:31:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:31:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 22:31:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 22:31:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:41,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 22:31:41,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:31:41,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436683956] [2024-10-14 22:31:41,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436683956] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:31:41,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:31:41,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:31:41,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120403352] [2024-10-14 22:31:41,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:31:41,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:31:41,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:31:41,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:31:41,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:31:41,753 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:41,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:31:41,765 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-10-14 22:31:41,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:31:41,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2024-10-14 22:31:41,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:31:41,767 INFO L225 Difference]: With dead ends: 41 [2024-10-14 22:31:41,767 INFO L226 Difference]: Without dead ends: 40 [2024-10-14 22:31:41,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:31:41,768 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:31:41,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 58 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:31:41,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-14 22:31:41,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-14 22:31:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 22:31:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2024-10-14 22:31:41,773 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 24 [2024-10-14 22:31:41,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:31:41,773 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2024-10-14 22:31:41,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-10-14 22:31:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 22:31:41,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:41,774 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:41,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 22:31:41,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:41,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:41,775 INFO L85 PathProgramCache]: Analyzing trace with hash 86900214, now seen corresponding path program 1 times [2024-10-14 22:31:41,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:31:41,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706524751] [2024-10-14 22:31:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:41,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:31:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:31:41,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:31:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:31:41,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 22:31:41,823 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:31:41,824 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:31:41,827 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:31:41,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 22:31:41,830 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 22:31:41,856 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:31:41,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:31:41 BoogieIcfgContainer [2024-10-14 22:31:41,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:31:41,860 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:31:41,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:31:41,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:31:41,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:40" (3/4) ... [2024-10-14 22:31:41,862 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:31:41,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:31:41,864 INFO L158 Benchmark]: Toolchain (without parser) took 2679.14ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 109.4MB in the beginning and 147.0MB in the end (delta: -37.6MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-10-14 22:31:41,864 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 169.9MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:31:41,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.96ms. Allocated memory is still 169.9MB. Free memory was 109.4MB in the beginning and 110.6MB in the end (delta: -1.2MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-10-14 22:31:41,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.14ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 107.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:31:41,865 INFO L158 Benchmark]: Boogie Preprocessor took 30.64ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 104.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:31:41,866 INFO L158 Benchmark]: RCFGBuilder took 369.84ms. Allocated memory is still 169.9MB. Free memory was 104.9MB in the beginning and 86.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 22:31:41,866 INFO L158 Benchmark]: TraceAbstraction took 1428.94ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 86.0MB in the beginning and 147.0MB in the end (delta: -60.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-10-14 22:31:41,866 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 247.5MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:31:41,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 169.9MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.96ms. Allocated memory is still 169.9MB. Free memory was 109.4MB in the beginning and 110.6MB in the end (delta: -1.2MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.14ms. Allocated memory is still 169.9MB. Free memory was 110.6MB in the beginning and 107.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.64ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 104.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.84ms. Allocated memory is still 169.9MB. Free memory was 104.9MB in the beginning and 86.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1428.94ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 86.0MB in the beginning and 147.0MB in the end (delta: -60.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 247.5MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_preinc_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 163 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 8/10 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 [2024-10-14 22:31:41,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_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 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:31:43,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:31:43,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 22:31:43,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:31:43,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:31:43,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 22:31:43,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:31:43,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:31:43,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:31:43,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:31:43,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:31:43,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:31:43,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:31:43,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:31:43,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:31:43,758 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:31:43,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:31:43,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:31:43,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:31:43,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:31:43,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:31:43,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:31:43,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 22:31:43,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 22:31:43,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:31:43,762 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:31:43,762 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 22:31:43,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:31:43,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:31:43,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:31:43,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:31:43,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:31:43,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:31:43,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:31:43,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:31:43,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:31:43,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:31:43,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:31:43,764 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 22:31:43,764 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 22:31:43,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:31:43,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:31:43,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:31:43,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:31:43,767 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 22:31:43,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ccef4ef5b1c1b0dd9f772ee30b174b603aa1f105ac7707ea3e9f8fcc338b19 [2024-10-14 22:31:43,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:31:44,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:31:44,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:31:44,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:31:44,007 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:31:44,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-10-14 22:31:45,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:31:45,482 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:31:45,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-10-14 22:31:45,505 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942a552f4/ffc2608452114728ae0f5c400a1f1fef/FLAGc0761aa0f [2024-10-14 22:31:45,760 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942a552f4/ffc2608452114728ae0f5c400a1f1fef [2024-10-14 22:31:45,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:31:45,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:31:45,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:31:45,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:31:45,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:31:45,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:45" (1/1) ... [2024-10-14 22:31:45,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432a9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:45, skipping insertion in model container [2024-10-14 22:31:45,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:45" (1/1) ... [2024-10-14 22:31:45,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:31:46,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:31:46,428 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:31:46,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:31:46,580 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:31:46,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46 WrapperNode [2024-10-14 22:31:46,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:31:46,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:31:46,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:31:46,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:31:46,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,632 INFO L138 Inliner]: procedures = 502, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-10-14 22:31:46,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:31:46,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:31:46,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:31:46,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:31:46,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,661 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:31:46,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:31:46,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:31:46,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:31:46,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:31:46,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (1/1) ... [2024-10-14 22:31:46,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:31:46,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:31:46,716 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) [2024-10-14 22:31:46,718 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 [2024-10-14 22:31:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:31:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:31:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-10-14 22:31:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-10-14 22:31:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:31:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:31:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:31:46,872 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:31:46,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:31:47,011 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-10-14 22:31:47,012 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:31:47,045 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:31:47,046 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:31:47,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:47 BoogieIcfgContainer [2024-10-14 22:31:47,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:31:47,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:31:47,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:31:47,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:31:47,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:31:45" (1/3) ... [2024-10-14 22:31:47,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240583d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:47, skipping insertion in model container [2024-10-14 22:31:47,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:46" (2/3) ... [2024-10-14 22:31:47,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240583d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:47, skipping insertion in model container [2024-10-14 22:31:47,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:47" (3/3) ... [2024-10-14 22:31:47,055 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_11_bad.i [2024-10-14 22:31:47,068 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:31:47,068 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:31:47,119 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:31:47,124 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;@ae2b38e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:31:47,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:31:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 16 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 22:31:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-14 22:31:47,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:47,134 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:47,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:47,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:47,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1569213815, now seen corresponding path program 1 times [2024-10-14 22:31:47,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:31:47,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854070488] [2024-10-14 22:31:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:47,153 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 [2024-10-14 22:31:47,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:31:47,156 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) [2024-10-14 22:31:47,156 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 [2024-10-14 22:31:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:47,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 22:31:47,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:31:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 22:31:47,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:31:47,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 22:31:47,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854070488] [2024-10-14 22:31:47,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854070488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:31:47,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:31:47,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 22:31:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148887042] [2024-10-14 22:31:47,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:31:47,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 22:31:47,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 22:31:47,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 22:31:47,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:31:47,277 INFO L87 Difference]: Start difference. First operand has 23 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 16 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 22:31:47,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:31:47,298 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2024-10-14 22:31:47,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 22:31:47,300 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2024-10-14 22:31:47,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:31:47,305 INFO L225 Difference]: With dead ends: 23 [2024-10-14 22:31:47,305 INFO L226 Difference]: Without dead ends: 18 [2024-10-14 22:31:47,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:31:47,309 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:31:47,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:31:47,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-10-14 22:31:47,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-14 22:31:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 22:31:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2024-10-14 22:31:47,334 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 16 [2024-10-14 22:31:47,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:31:47,335 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-10-14 22:31:47,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 22:31:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-10-14 22:31:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 22:31:47,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:47,336 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:47,339 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 [2024-10-14 22:31:47,537 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 [2024-10-14 22:31:47,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:47,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:47,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1400988073, now seen corresponding path program 1 times [2024-10-14 22:31:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:31:47,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896394741] [2024-10-14 22:31:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:47,539 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 [2024-10-14 22:31:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:31:47,541 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) [2024-10-14 22:31:47,541 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 [2024-10-14 22:31:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:31:47,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 22:31:47,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:31:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:31:47,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:31:47,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 22:31:47,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896394741] [2024-10-14 22:31:47,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896394741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:31:47,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:31:47,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 22:31:47,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815418382] [2024-10-14 22:31:47,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:31:47,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 22:31:47,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 22:31:47,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 22:31:47,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:31:47,659 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:31:47,670 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-10-14 22:31:47,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 22:31:47,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2024-10-14 22:31:47,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:31:47,671 INFO L225 Difference]: With dead ends: 25 [2024-10-14 22:31:47,671 INFO L226 Difference]: Without dead ends: 18 [2024-10-14 22:31:47,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 22:31:47,672 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:31:47,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:31:47,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-10-14 22:31:47,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-14 22:31:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 22:31:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-10-14 22:31:47,675 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 17 [2024-10-14 22:31:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:31:47,676 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-10-14 22:31:47,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 22:31:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-10-14 22:31:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 22:31:47,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:31:47,677 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:31:47,681 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 [2024-10-14 22:31:47,877 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 [2024-10-14 22:31:47,878 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:31:47,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:31:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash 955631684, now seen corresponding path program 1 times [2024-10-14 22:31:47,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:31:47,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838076484] [2024-10-14 22:31:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:31:47,879 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 [2024-10-14 22:31:47,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:31:47,881 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 22:31:47,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 22:31:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:31:47,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:31:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:31:47,976 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 22:31:47,977 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:31:47,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:31:47,979 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:31:47,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-14 22:31:48,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:31:48,183 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 22:31:48,201 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:31:48,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:31:48 BoogieIcfgContainer [2024-10-14 22:31:48,205 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:31:48,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:31:48,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:31:48,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:31:48,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:47" (3/4) ... [2024-10-14 22:31:48,208 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:31:48,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:31:48,210 INFO L158 Benchmark]: Toolchain (without parser) took 2447.18ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 48.0MB in the beginning and 60.4MB in the end (delta: -12.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-10-14 22:31:48,210 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:31:48,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.87ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 47.8MB in the beginning and 59.9MB in the end (delta: -12.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-10-14 22:31:48,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.90ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 56.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:31:48,211 INFO L158 Benchmark]: Boogie Preprocessor took 51.04ms. Allocated memory is still 104.9MB. Free memory was 56.8MB in the beginning and 54.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:31:48,211 INFO L158 Benchmark]: RCFGBuilder took 362.42ms. Allocated memory is still 104.9MB. Free memory was 54.2MB in the beginning and 68.9MB in the end (delta: -14.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-10-14 22:31:48,211 INFO L158 Benchmark]: TraceAbstraction took 1157.31ms. Allocated memory is still 104.9MB. Free memory was 68.4MB in the beginning and 61.1MB in the end (delta: 7.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-10-14 22:31:48,212 INFO L158 Benchmark]: Witness Printer took 2.52ms. Allocated memory is still 104.9MB. Free memory was 61.1MB in the beginning and 60.4MB in the end (delta: 630.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:31:48,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.87ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 47.8MB in the beginning and 59.9MB in the end (delta: -12.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.90ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 56.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.04ms. Allocated memory is still 104.9MB. Free memory was 56.8MB in the beginning and 54.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.42ms. Allocated memory is still 104.9MB. Free memory was 54.2MB in the beginning and 68.9MB in the end (delta: -14.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1157.31ms. Allocated memory is still 104.9MB. Free memory was 68.4MB in the beginning and 61.1MB in the end (delta: 7.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Witness Printer took 2.52ms. Allocated memory is still 104.9MB. Free memory was 61.1MB in the beginning and 60.4MB in the end (delta: 630.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_preinc_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1556] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 87 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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 [2024-10-14 22:31:48,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample