./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/transmitter.05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/transmitter.05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8722862ca37b1ee13dec8b9e420cd40ba7901837b8f3b6258499da6e8a2ca6f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:30:59,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:30:59,421 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:30:59,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:30:59,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:30:59,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:30:59,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:30:59,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:30:59,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:30:59,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:30:59,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:30:59,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:30:59,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:30:59,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:30:59,452 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:30:59,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:30:59,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:30:59,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:30:59,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:30:59,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:30:59,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:30:59,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:30:59,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:30:59,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:30:59,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:30:59,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:30:59,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:30:59,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:30:59,457 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:30:59,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:30:59,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:30:59,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:30:59,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:30:59,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:30:59,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:30:59,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:30:59,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:30:59,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:30:59,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:30:59,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:30:59,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:30:59,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:30:59,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8722862ca37b1ee13dec8b9e420cd40ba7901837b8f3b6258499da6e8a2ca6f [2024-11-09 23:30:59,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:30:59,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:30:59,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:30:59,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:30:59,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:30:59,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.05.cil.c [2024-11-09 23:31:01,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:31:01,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:31:01,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.05.cil.c [2024-11-09 23:31:01,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4add3c2b0/5bad2a0b49b6426db3387c5357d1e824/FLAG64f9aa392 [2024-11-09 23:31:01,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4add3c2b0/5bad2a0b49b6426db3387c5357d1e824 [2024-11-09 23:31:01,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:31:01,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:31:01,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:31:01,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:31:01,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:31:01,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:01,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f6bd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01, skipping insertion in model container [2024-11-09 23:31:01,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:01,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:31:01,800 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.05.cil.c[706,719] [2024-11-09 23:31:01,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:31:01,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:31:01,910 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.05.cil.c[706,719] [2024-11-09 23:31:01,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:31:01,969 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:31:01,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01 WrapperNode [2024-11-09 23:31:01,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:31:01,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:31:01,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:31:01,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:31:01,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:01,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,020 INFO L138 Inliner]: procedures = 38, calls = 45, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 437 [2024-11-09 23:31:02,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:31:02,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:31:02,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:31:02,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:31:02,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,055 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]. [2024-11-09 23:31:02,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:31:02,087 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:31:02,087 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:31:02,087 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:31:02,088 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (1/1) ... [2024-11-09 23:31:02,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:31:02,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:31:02,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:31:02,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:31:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:31:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-09 23:31:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-09 23:31:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-09 23:31:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-09 23:31:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-09 23:31:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-09 23:31:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-09 23:31:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-09 23:31:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-09 23:31:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-09 23:31:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:31:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-09 23:31:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-09 23:31:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:31:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:31:02,257 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:31:02,258 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:31:02,825 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-09 23:31:02,826 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:31:02,851 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:31:02,852 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:31:02,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:31:02 BoogieIcfgContainer [2024-11-09 23:31:02,852 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:31:02,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:31:02,855 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:31:02,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:31:02,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:31:01" (1/3) ... [2024-11-09 23:31:02,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e13416a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:31:02, skipping insertion in model container [2024-11-09 23:31:02,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:01" (2/3) ... [2024-11-09 23:31:02,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e13416a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:31:02, skipping insertion in model container [2024-11-09 23:31:02,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:31:02" (3/3) ... [2024-11-09 23:31:02,862 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.05.cil.c [2024-11-09 23:31:02,880 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:31:02,880 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:31:02,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:31:02,959 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;@1335f718, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:31:02,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:31:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 208 states have (on average 1.5528846153846154) internal successors, (323), 216 states have internal predecessors, (323), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 23:31:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 23:31:02,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:31:02,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:31:02,988 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:31:02,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:31:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash -668831453, now seen corresponding path program 1 times [2024-11-09 23:31:03,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:31:03,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585384087] [2024-11-09 23:31:03,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:31:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:31:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:31:03,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 23:31:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:31:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 23:31:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:31:03,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 23:31:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:31:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:31:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:31:03,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:31:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:31:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:31:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:31:03,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585384087] [2024-11-09 23:31:03,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585384087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:31:03,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:31:03,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:31:03,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953572792] [2024-11-09 23:31:03,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:31:03,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:31:03,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:31:03,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:31:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:31:03,741 INFO L87 Difference]: Start difference. First operand has 240 states, 208 states have (on average 1.5528846153846154) internal successors, (323), 216 states have internal predecessors, (323), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 23:31:04,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:31:04,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:31:04,091 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 84 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:31:04,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 58 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:31:04,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:31:04,095 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) [2024-11-09 23:31:04,099 INFO L158 Benchmark]: Toolchain (without parser) took 2533.01ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 102.6MB in the beginning and 90.9MB in the end (delta: 11.7MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2024-11-09 23:31:04,099 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:31:04,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.36ms. Allocated memory is still 159.4MB. Free memory was 102.2MB in the beginning and 84.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 23:31:04,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 81.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:31:04,100 INFO L158 Benchmark]: Boogie Preprocessor took 64.25ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:31:04,101 INFO L158 Benchmark]: IcfgBuilder took 765.91ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 78.6MB in the beginning and 174.7MB in the end (delta: -96.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-09 23:31:04,102 INFO L158 Benchmark]: TraceAbstraction took 1243.33ms. Allocated memory is still 226.5MB. Free memory was 173.7MB in the beginning and 90.9MB in the end (delta: 82.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-11-09 23:31:04,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.36ms. Allocated memory is still 159.4MB. Free memory was 102.2MB in the beginning and 84.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 81.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.25ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 78.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 765.91ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 78.6MB in the beginning and 174.7MB in the end (delta: -96.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1243.33ms. Allocated memory is still 226.5MB. Free memory was 173.7MB in the beginning and 90.9MB in the end (delta: 82.8MB). Peak memory consumption was 83.9MB. 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. [2024-11-09 23:31:04,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/transmitter.05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8722862ca37b1ee13dec8b9e420cd40ba7901837b8f3b6258499da6e8a2ca6f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:31:06,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:31:06,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 23:31:06,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:31:06,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:31:06,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:31:06,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:31:06,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:31:06,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:31:06,532 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:31:06,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:31:06,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:31:06,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:31:06,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:31:06,536 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:31:06,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:31:06,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:31:06,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:31:06,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:31:06,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:31:06,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:31:06,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:31:06,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:31:06,540 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 23:31:06,544 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 23:31:06,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:31:06,545 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 23:31:06,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:31:06,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:31:06,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:31:06,546 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:31:06,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:31:06,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:31:06,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:31:06,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:31:06,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:31:06,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:31:06,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:31:06,548 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 23:31:06,548 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 23:31:06,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:31:06,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:31:06,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:31:06,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:31:06,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8722862ca37b1ee13dec8b9e420cd40ba7901837b8f3b6258499da6e8a2ca6f [2024-11-09 23:31:06,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:31:06,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:31:06,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:31:06,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:31:06,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:31:06,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.05.cil.c [2024-11-09 23:31:08,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:31:08,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:31:08,827 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.05.cil.c [2024-11-09 23:31:08,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9dde96c/91a735446cff480ba512cc3a7bc1f9f1/FLAG48dc4ab9a [2024-11-09 23:31:08,852 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f9dde96c/91a735446cff480ba512cc3a7bc1f9f1 [2024-11-09 23:31:08,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:31:08,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:31:08,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:31:08,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:31:08,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:31:08,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:31:08" (1/1) ... [2024-11-09 23:31:08,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2b6109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:08, skipping insertion in model container [2024-11-09 23:31:08,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:31:08" (1/1) ... [2024-11-09 23:31:08,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:31:09,117 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.05.cil.c[706,719] [2024-11-09 23:31:09,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:31:09,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:31:09,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.05.cil.c[706,719] [2024-11-09 23:31:09,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:31:09,305 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:31:09,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09 WrapperNode [2024-11-09 23:31:09,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:31:09,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:31:09,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:31:09,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:31:09,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,363 INFO L138 Inliner]: procedures = 38, calls = 45, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 421 [2024-11-09 23:31:09,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:31:09,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:31:09,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:31:09,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:31:09,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,406 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]. [2024-11-09 23:31:09,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,421 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:31:09,433 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:31:09,433 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:31:09,434 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:31:09,434 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (1/1) ... [2024-11-09 23:31:09,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:31:09,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:31:09,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 23:31:09,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 23:31:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:31:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 23:31:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-09 23:31:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-09 23:31:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-09 23:31:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-09 23:31:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-09 23:31:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-09 23:31:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-09 23:31:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-09 23:31:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-09 23:31:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-09 23:31:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-09 23:31:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-09 23:31:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:31:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:31:09,640 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:31:09,645 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:31:10,307 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-09 23:31:10,308 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:31:10,330 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:31:10,331 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:31:10,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:31:10 BoogieIcfgContainer [2024-11-09 23:31:10,332 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:31:10,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:31:10,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:31:10,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:31:10,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:31:08" (1/3) ... [2024-11-09 23:31:10,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b72b22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:31:10, skipping insertion in model container [2024-11-09 23:31:10,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:31:09" (2/3) ... [2024-11-09 23:31:10,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b72b22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:31:10, skipping insertion in model container [2024-11-09 23:31:10,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:31:10" (3/3) ... [2024-11-09 23:31:10,343 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.05.cil.c [2024-11-09 23:31:10,360 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:31:10,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:31:10,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:31:10,454 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;@38847ebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:31:10,455 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:31:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 208 states have (on average 1.5528846153846154) internal successors, (323), 216 states have internal predecessors, (323), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 23:31:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 23:31:10,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:31:10,481 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:31:10,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:31:10,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:31:10,489 INFO L85 PathProgramCache]: Analyzing trace with hash -668831453, now seen corresponding path program 1 times [2024-11-09 23:31:10,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 23:31:10,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124749173] [2024-11-09 23:31:10,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:31:10,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 23:31:10,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 23:31:10,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 23:31:10,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 23:31:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:31:10,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 23:31:10,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:31:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:31:10,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:31:10,883 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 23:31:10,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124749173] [2024-11-09 23:31:10,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124749173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:31:10,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:31:10,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:31:10,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517395277] [2024-11-09 23:31:10,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:31:10,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:31:10,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 23:31:10,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:31:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:31:10,928 INFO L87 Difference]: Start difference. First operand has 240 states, 208 states have (on average 1.5528846153846154) internal successors, (323), 216 states have internal predecessors, (323), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 23:31:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 23:31:11,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:31:11,012 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 61 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:31:11,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 95 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:31:11,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 23:31:11,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 23:31:11,217 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) [2024-11-09 23:31:11,220 INFO L158 Benchmark]: Toolchain (without parser) took 2363.96ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 37.7MB in the beginning and 53.9MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:31:11,221 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:31:11,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.70ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-09 23:31:11,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.07ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 33.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 23:31:11,223 INFO L158 Benchmark]: Boogie Preprocessor took 66.15ms. Allocated memory is still 67.1MB. Free memory was 33.4MB in the beginning and 30.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 23:31:11,224 INFO L158 Benchmark]: IcfgBuilder took 899.13ms. Allocated memory is still 67.1MB. Free memory was 30.8MB in the beginning and 31.2MB in the end (delta: -448.1kB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-09 23:31:11,224 INFO L158 Benchmark]: TraceAbstraction took 884.38ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 30.6MB in the beginning and 53.9MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 23:31:11,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.70ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.07ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 33.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.15ms. Allocated memory is still 67.1MB. Free memory was 33.4MB in the beginning and 30.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 899.13ms. Allocated memory is still 67.1MB. Free memory was 30.8MB in the beginning and 31.2MB in the end (delta: -448.1kB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 884.38ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 30.6MB in the beginning and 53.9MB in the end (delta: -23.3MB). 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. [2024-11-09 23:31:11,255 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