./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:34:41,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:34:42,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:34:42,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:34:42,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:34:42,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:34:42,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:34:42,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:34:42,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:34:42,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:34:42,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:34:42,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:34:42,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:34:42,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:34:42,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:34:42,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:34:42,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:34:42,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:34:42,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:34:42,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:34:42,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:34:42,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:34:42,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:34:42,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:34:42,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:34:42,090 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:34:42,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:34:42,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:34:42,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:34:42,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:34:42,091 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:34:42,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:34:42,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:34:42,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:34:42,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:42,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:34:42,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:34:42,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:34:42,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:34:42,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:34:42,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:34:42,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:34:42,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:34:42,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:34:42,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 [2024-11-10 18:34:42,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:34:42,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:34:42,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:34:42,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:34:42,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:34:42,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2024-11-10 18:34:43,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:34:43,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:34:43,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2024-11-10 18:34:43,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62efb0f72/f7690bd5c79943acbd4f27ccd8e80d85/FLAG979e2862f [2024-11-10 18:34:43,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62efb0f72/f7690bd5c79943acbd4f27ccd8e80d85 [2024-11-10 18:34:43,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:34:43,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:34:43,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:43,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:34:43,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:34:43,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:43" (1/1) ... [2024-11-10 18:34:43,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7892bc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:43, skipping insertion in model container [2024-11-10 18:34:43,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:43" (1/1) ... [2024-11-10 18:34:43,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:34:44,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:44,053 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:34:44,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:44,116 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:34:44,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44 WrapperNode [2024-11-10 18:34:44,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:44,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:44,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:34:44,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:34:44,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,158 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 620 [2024-11-10 18:34:44,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:44,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:34:44,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:34:44,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:34:44,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,173 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,193 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:34:44,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:34:44,206 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:34:44,206 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:34:44,206 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:34:44,206 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (1/1) ... [2024-11-10 18:34:44,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:34:44,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:34:44,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:34:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:34:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:34:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:34:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:34:44,354 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:34:44,355 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:34:44,858 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume false; [2024-11-10 18:34:44,858 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume !false; [2024-11-10 18:34:44,904 INFO L? ?]: Removed 155 outVars from TransFormulas that were not future-live. [2024-11-10 18:34:44,905 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:34:44,918 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:34:44,919 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:34:44,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:44 BoogieIcfgContainer [2024-11-10 18:34:44,919 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:34:44,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:34:44,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:34:44,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:34:44,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:34:43" (1/3) ... [2024-11-10 18:34:44,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc6e51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:44, skipping insertion in model container [2024-11-10 18:34:44,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:44" (2/3) ... [2024-11-10 18:34:44,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc6e51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:44, skipping insertion in model container [2024-11-10 18:34:44,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:44" (3/3) ... [2024-11-10 18:34:44,928 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2024-11-10 18:34:44,942 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:34:44,942 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-10 18:34:44,990 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:34:44,994 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;@63ca26a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:34:44,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-10 18:34:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 200 states have (on average 1.67) internal successors, (334), 225 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:34:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:34:45,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:34:45,002 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:34:45,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:34:45,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:34:45,007 INFO L85 PathProgramCache]: Analyzing trace with hash 462803137, now seen corresponding path program 1 times [2024-11-10 18:34:45,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:34:45,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249702144] [2024-11-10 18:34:45,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:34:45,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:34:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:34:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:34:45,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:34:45,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249702144] [2024-11-10 18:34:45,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249702144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:34:45,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:34:45,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:34:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177343745] [2024-11-10 18:34:45,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:34:45,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:34:45,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:34:45,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:34:45,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:34:45,250 INFO L87 Difference]: Start difference. First operand has 226 states, 200 states have (on average 1.67) internal successors, (334), 225 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:34:45,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:34:45,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:34:45,304 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 172 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:34:45,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 377 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:34:45,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:34:45,305 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 18:34:45,309 INFO L158 Benchmark]: Toolchain (without parser) took 1504.74ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 99.5MB in the beginning and 112.4MB in the end (delta: -12.9MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-10 18:34:45,310 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 115.0MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:45,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.26ms. Allocated memory is still 155.2MB. Free memory was 99.1MB in the beginning and 81.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 18:34:45,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.72ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 78.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:34:45,310 INFO L158 Benchmark]: Boogie Preprocessor took 46.13ms. Allocated memory is still 155.2MB. Free memory was 77.7MB in the beginning and 75.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:34:45,311 INFO L158 Benchmark]: IcfgBuilder took 713.68ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 75.1MB in the beginning and 138.6MB in the end (delta: -63.5MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-10 18:34:45,315 INFO L158 Benchmark]: TraceAbstraction took 387.97ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 112.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:45,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 115.0MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.26ms. Allocated memory is still 155.2MB. Free memory was 99.1MB in the beginning and 81.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.72ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 78.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.13ms. Allocated memory is still 155.2MB. Free memory was 77.7MB in the beginning and 75.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 713.68ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 75.1MB in the beginning and 138.6MB in the end (delta: -63.5MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * TraceAbstraction took 387.97ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 112.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 18:34:45,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:34:47,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:34:47,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-10 18:34:47,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:34:47,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:34:47,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:34:47,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:34:47,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:34:47,167 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:34:47,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:34:47,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:34:47,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:34:47,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:34:47,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:34:47,168 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:34:47,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:34:47,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:34:47,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:34:47,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:34:47,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:34:47,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:34:47,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:34:47,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:34:47,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:34:47,174 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 18:34:47,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:34:47,174 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:34:47,174 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 18:34:47,175 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:34:47,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:34:47,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:34:47,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:34:47,176 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:34:47,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:34:47,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:34:47,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:34:47,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:47,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:34:47,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:34:47,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:34:47,178 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 18:34:47,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 18:34:47,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:34:47,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:34:47,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:34:47,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:34:47,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 808d2f0a6837cfae1b427dacfcde422fbd84ecc3bfe3666ba200189a6ab55331 [2024-11-10 18:34:47,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:34:47,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:34:47,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:34:47,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:34:47,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:34:47,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2024-11-10 18:34:48,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:34:48,861 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:34:48,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_14.cil.c [2024-11-10 18:34:48,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3aed8c2c/a2b07af28ae44501a476ff93002c8a43/FLAG629c16752 [2024-11-10 18:34:49,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3aed8c2c/a2b07af28ae44501a476ff93002c8a43 [2024-11-10 18:34:49,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:34:49,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:34:49,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:49,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:34:49,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:34:49,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f16013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49, skipping insertion in model container [2024-11-10 18:34:49,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:34:49,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:49,519 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:34:49,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:34:49,597 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:34:49,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49 WrapperNode [2024-11-10 18:34:49,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:34:49,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:49,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:34:49,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:34:49,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,646 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 575 [2024-11-10 18:34:49,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:34:49,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:34:49,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:34:49,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:34:49,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,687 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:34:49,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,701 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:34:49,713 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:34:49,713 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:34:49,713 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:34:49,713 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (1/1) ... [2024-11-10 18:34:49,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:34:49,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:34:49,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:34:49,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:34:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:34:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 18:34:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:34:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:34:49,871 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:34:49,873 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:34:50,400 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume false; [2024-11-10 18:34:50,401 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L219: assume !false; [2024-11-10 18:34:50,440 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-10 18:34:50,440 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:34:50,455 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:34:50,455 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:34:50,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:50 BoogieIcfgContainer [2024-11-10 18:34:50,456 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:34:50,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:34:50,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:34:50,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:34:50,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:34:49" (1/3) ... [2024-11-10 18:34:50,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a035fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:50, skipping insertion in model container [2024-11-10 18:34:50,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:34:49" (2/3) ... [2024-11-10 18:34:50,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a035fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:34:50, skipping insertion in model container [2024-11-10 18:34:50,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:34:50" (3/3) ... [2024-11-10 18:34:50,462 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_14.cil.c [2024-11-10 18:34:50,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:34:50,483 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-10 18:34:50,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:34:50,539 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;@3f12f76c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:34:50,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-10 18:34:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 200 states have (on average 1.67) internal successors, (334), 225 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:34:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:34:50,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:34:50,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:34:50,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 18:34:50,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:34:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 462803137, now seen corresponding path program 1 times [2024-11-10 18:34:50,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 18:34:50,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573534071] [2024-11-10 18:34:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:34:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 18:34:50,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 18:34:50,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 18:34:50,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 18:34:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:34:50,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 18:34:50,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:34:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:34:50,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:34:50,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 18:34:50,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573534071] [2024-11-10 18:34:50,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573534071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:34:50,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:34:50,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:34:50,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385524524] [2024-11-10 18:34:50,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:34:50,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:34:50,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 18:34:50,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:34:50,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:34:50,659 INFO L87 Difference]: Start difference. First operand has 226 states, 200 states have (on average 1.67) internal successors, (334), 225 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:34:50,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:34:50,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:34:50,680 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:34:50,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:34:50,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 18:34:50,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 18:34:50,883 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 18:34:50,886 INFO L158 Benchmark]: Toolchain (without parser) took 1641.32ms. Allocated memory is still 83.9MB. Free memory was 51.3MB in the beginning and 43.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-10 18:34:50,886 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:50,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.26ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 56.2MB in the end (delta: -5.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-10 18:34:50,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.89ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 53.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:34:50,887 INFO L158 Benchmark]: Boogie Preprocessor took 63.63ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:34:50,887 INFO L158 Benchmark]: IcfgBuilder took 743.06ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 31.0MB in the end (delta: 18.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:34:50,887 INFO L158 Benchmark]: TraceAbstraction took 428.34ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 43.7MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:34:50,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.26ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 56.2MB in the end (delta: -5.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.89ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 53.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.63ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 50.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 743.06ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 31.0MB in the end (delta: 18.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 428.34ms. Allocated memory is still 83.9MB. Free memory was 30.6MB in the beginning and 43.7MB in the end (delta: -13.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 18:34:50,915 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: ERROR: ExceptionOrErrorResult: NullPointerException: null