./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/systemc/mem_slave_tlm.1.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/systemc/mem_slave_tlm.1.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 c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:43:59,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:43:59,280 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:43:59,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:43:59,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:43:59,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:43:59,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:43:59,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:43:59,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:43:59,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:43:59,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:43:59,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:43:59,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:43:59,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:43:59,329 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:43:59,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:43:59,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:43:59,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:43:59,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:43:59,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:43:59,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:43:59,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:43:59,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:43:59,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:43:59,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:43:59,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:43:59,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:43:59,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:43:59,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:43:59,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:43:59,338 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:43:59,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:43:59,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:43:59,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:43:59,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:43:59,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:43:59,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:43:59,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:43:59,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:43:59,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:43:59,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:43:59,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:43:59,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:43:59,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:43:59,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 [2024-11-10 19:43:59,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:43:59,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:43:59,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:43:59,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:43:59,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:43:59,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c [2024-11-10 19:44:01,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:44:01,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:44:01,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c [2024-11-10 19:44:01,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9962d204/3b3cd6d1c8614a798adf9cbeae3c63b8/FLAG671c52f49 [2024-11-10 19:44:01,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9962d204/3b3cd6d1c8614a798adf9cbeae3c63b8 [2024-11-10 19:44:01,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:44:01,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:44:01,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:44:01,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:44:01,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:44:01,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:44:01" (1/1) ... [2024-11-10 19:44:01,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4eb12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:01, skipping insertion in model container [2024-11-10 19:44:01,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:44:01" (1/1) ... [2024-11-10 19:44:01,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:44:01,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:44:01,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:44:02,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:44:02,041 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:44:02,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02 WrapperNode [2024-11-10 19:44:02,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:44:02,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:44:02,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:44:02,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:44:02,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,115 INFO L138 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 847 [2024-11-10 19:44:02,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:44:02,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:44:02,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:44:02,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:44:02,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,151 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 19:44:02,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:44:02,169 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:44:02,169 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:44:02,169 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:44:02,170 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (1/1) ... [2024-11-10 19:44:02,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:44:02,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:02,203 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 19:44:02,205 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 19:44:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:44:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:44:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-10 19:44:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-10 19:44:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:44:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:44:02,323 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:44:02,325 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:44:03,094 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-10 19:44:03,095 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:44:03,122 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:44:03,122 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:44:03,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:44:03 BoogieIcfgContainer [2024-11-10 19:44:03,123 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:44:03,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:44:03,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:44:03,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:44:03,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:44:01" (1/3) ... [2024-11-10 19:44:03,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1128681c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:44:03, skipping insertion in model container [2024-11-10 19:44:03,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:02" (2/3) ... [2024-11-10 19:44:03,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1128681c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:44:03, skipping insertion in model container [2024-11-10 19:44:03,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:44:03" (3/3) ... [2024-11-10 19:44:03,129 INFO L112 eAbstractionObserver]: Analyzing ICFG mem_slave_tlm.1.cil.c [2024-11-10 19:44:03,140 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:44:03,140 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 19:44:03,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:44:03,215 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;@bfe0da3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:44:03,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 19:44:03,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 343 states have (on average 1.6734693877551021) internal successors, (574), 356 states have internal predecessors, (574), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:44:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:44:03,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:03,232 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:44:03,233 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:44:03,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:03,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1807832550, now seen corresponding path program 1 times [2024-11-10 19:44:03,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:44:03,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117388654] [2024-11-10 19:44:03,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:03,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:44:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:03,476 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 19:44:03,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:44:03,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117388654] [2024-11-10 19:44:03,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117388654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:03,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:44:03,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:44:03,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369395899] [2024-11-10 19:44:03,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:03,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:44:03,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:44:03,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:44:03,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:44:03,511 INFO L87 Difference]: Start difference. First operand has 358 states, 343 states have (on average 1.6734693877551021) internal successors, (574), 356 states have internal predecessors, (574), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 19:44:03,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:44:03,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:44:03,703 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 179 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:44:03,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 218 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:44:03,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:44:03,705 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 19:44:03,708 INFO L158 Benchmark]: Toolchain (without parser) took 2116.77ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 89.1MB in the end (delta: 54.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-10 19:44:03,708 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 121.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:44:03,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.59ms. Allocated memory is still 174.1MB. Free memory was 143.7MB in the beginning and 124.5MB in the end (delta: 19.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-10 19:44:03,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.85ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 120.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 19:44:03,710 INFO L158 Benchmark]: Boogie Preprocessor took 52.38ms. Allocated memory is still 174.1MB. Free memory was 120.3MB in the beginning and 117.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:44:03,711 INFO L158 Benchmark]: IcfgBuilder took 953.86ms. Allocated memory is still 174.1MB. Free memory was 117.5MB in the beginning and 121.6MB in the end (delta: -4.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-10 19:44:03,711 INFO L158 Benchmark]: TraceAbstraction took 583.29ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 89.1MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 19:44:03,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 121.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.59ms. Allocated memory is still 174.1MB. Free memory was 143.7MB in the beginning and 124.5MB in the end (delta: 19.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.85ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 120.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.38ms. Allocated memory is still 174.1MB. Free memory was 120.3MB in the beginning and 117.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 953.86ms. Allocated memory is still 174.1MB. Free memory was 117.5MB in the beginning and 121.6MB in the end (delta: -4.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 583.29ms. Allocated memory is still 174.1MB. Free memory was 121.6MB in the beginning and 89.1MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. 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 19:44:03,738 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/systemc/mem_slave_tlm.1.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 c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:44:05,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:44:06,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-10 19:44:06,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:44:06,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:44:06,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:44:06,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:44:06,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:44:06,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:44:06,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:44:06,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:44:06,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:44:06,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:44:06,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:44:06,070 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:44:06,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:44:06,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:44:06,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:44:06,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:44:06,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:44:06,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:44:06,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:44:06,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:44:06,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 19:44:06,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 19:44:06,074 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:44:06,074 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:44:06,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 19:44:06,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:44:06,075 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:44:06,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:44:06,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:44:06,076 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:44:06,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:44:06,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:44:06,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:44:06,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:44:06,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:44:06,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:44:06,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:44:06,079 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 19:44:06,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 19:44:06,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:44:06,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:44:06,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:44:06,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:44:06,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2172e48d59a79636c380f4fc82a3f737aa7d3f80daa2bd10bb2cc27a12a3e78 [2024-11-10 19:44:06,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:44:06,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:44:06,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:44:06,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:44:06,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:44:06,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c [2024-11-10 19:44:08,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:44:08,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:44:08,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.1.cil.c [2024-11-10 19:44:08,270 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e070bea/1dd3d19b5d0c4896b73d0a98a3ed0ea9/FLAGb7df4f69b [2024-11-10 19:44:08,284 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e070bea/1dd3d19b5d0c4896b73d0a98a3ed0ea9 [2024-11-10 19:44:08,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:44:08,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:44:08,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:44:08,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:44:08,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:44:08,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6391620a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08, skipping insertion in model container [2024-11-10 19:44:08,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:44:08,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:44:08,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:44:08,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:44:08,797 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:44:08,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08 WrapperNode [2024-11-10 19:44:08,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:44:08,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:44:08,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:44:08,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:44:08,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,874 INFO L138 Inliner]: procedures = 19, calls = 19, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 844 [2024-11-10 19:44:08,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:44:08,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:44:08,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:44:08,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:44:08,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,933 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 19:44:08,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,944 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:44:08,952 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:44:08,953 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:44:08,953 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:44:08,953 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (1/1) ... [2024-11-10 19:44:08,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:44:08,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:44:08,992 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 19:44:09,005 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 19:44:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:44:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 19:44:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-10 19:44:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-10 19:44:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:44:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:44:09,161 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:44:09,163 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:44:10,030 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2024-11-10 19:44:10,032 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:44:10,060 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:44:10,060 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:44:10,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:44:10 BoogieIcfgContainer [2024-11-10 19:44:10,061 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:44:10,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:44:10,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:44:10,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:44:10,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:44:08" (1/3) ... [2024-11-10 19:44:10,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232400da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:44:10, skipping insertion in model container [2024-11-10 19:44:10,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:44:08" (2/3) ... [2024-11-10 19:44:10,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232400da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:44:10, skipping insertion in model container [2024-11-10 19:44:10,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:44:10" (3/3) ... [2024-11-10 19:44:10,069 INFO L112 eAbstractionObserver]: Analyzing ICFG mem_slave_tlm.1.cil.c [2024-11-10 19:44:10,081 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:44:10,081 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 19:44:10,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:44:10,151 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;@4429c93c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:44:10,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 19:44:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 343 states have (on average 1.6734693877551021) internal successors, (574), 356 states have internal predecessors, (574), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:44:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:44:10,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:44:10,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:44:10,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:44:10,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:44:10,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1807832550, now seen corresponding path program 1 times [2024-11-10 19:44:10,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 19:44:10,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496637739] [2024-11-10 19:44:10,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:44:10,183 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 19:44:10,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 19:44:10,186 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 19:44:10,201 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 19:44:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:44:10,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 19:44:10,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:44:10,317 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 19:44:10,317 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:44:10,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 19:44:10,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496637739] [2024-11-10 19:44:10,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496637739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:44:10,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:44:10,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 19:44:10,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295996746] [2024-11-10 19:44:10,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:44:10,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:44:10,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 19:44:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:44:10,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:44:10,352 INFO L87 Difference]: Start difference. First operand has 358 states, 343 states have (on average 1.6734693877551021) internal successors, (574), 356 states have internal predecessors, (574), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 1 states have (on average 21.0) internal successors, (21), 2 states have internal predecessors, (21), 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 19:44:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:44:10,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 19:44:10,416 INFO L432 NwaCegarLoop]: 275 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, 275 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 19:44:10,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:44:10,423 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 19:44:10,619 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 19:44:10,620 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 19:44:10,624 INFO L158 Benchmark]: Toolchain (without parser) took 2334.40ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 39.6MB in the beginning and 62.7MB in the end (delta: -23.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-10 19:44:10,625 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 22.5MB in the beginning and 22.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:44:10,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.07ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 35.2MB in the end (delta: 4.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-10 19:44:10,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.55ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 31.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:44:10,626 INFO L158 Benchmark]: Boogie Preprocessor took 76.56ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 28.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 19:44:10,627 INFO L158 Benchmark]: IcfgBuilder took 1108.23ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 28.4MB in the beginning and 58.0MB in the end (delta: -29.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-10 19:44:10,627 INFO L158 Benchmark]: TraceAbstraction took 559.79ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 62.7MB in the end (delta: -5.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-10 19:44:10,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 22.5MB in the beginning and 22.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.07ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 35.2MB in the end (delta: 4.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.55ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 31.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.56ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 28.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1108.23ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 28.4MB in the beginning and 58.0MB in the end (delta: -29.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 559.79ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 62.7MB in the end (delta: -5.8MB). Peak memory consumption was 21.9MB. 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 19:44:10,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null