./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ms1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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/array-fpi/ms1f.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 6d53d0c5140132772dbe7b2411a0e5f61e1871ba1484fe3a275622a831eef23f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 15:53:54,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 15:53:54,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 15:53:54,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 15:53:54,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 15:53:55,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 15:53:55,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 15:53:55,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 15:53:55,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 15:53:55,024 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 15:53:55,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 15:53:55,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 15:53:55,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 15:53:55,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 15:53:55,030 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 15:53:55,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 15:53:55,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 15:53:55,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 15:53:55,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 15:53:55,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 15:53:55,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 15:53:55,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 15:53:55,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 15:53:55,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 15:53:55,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 15:53:55,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 15:53:55,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 15:53:55,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 15:53:55,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 15:53:55,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 15:53:55,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 15:53:55,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 15:53:55,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 15:53:55,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 15:53:55,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 15:53:55,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 15:53:55,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 15:53:55,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 15:53:55,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 15:53:55,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 15:53:55,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 15:53:55,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 15:53:55,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d53d0c5140132772dbe7b2411a0e5f61e1871ba1484fe3a275622a831eef23f [2024-11-11 15:53:55,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 15:53:55,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 15:53:55,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 15:53:55,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 15:53:55,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 15:53:55,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms1f.c [2024-11-11 15:53:56,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 15:53:56,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 15:53:56,905 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c [2024-11-11 15:53:56,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd3c039ca/373242c4365e4df3afb909bd1ed51781/FLAGe0fa08512 [2024-11-11 15:53:56,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd3c039ca/373242c4365e4df3afb909bd1ed51781 [2024-11-11 15:53:56,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 15:53:56,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 15:53:56,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 15:53:56,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 15:53:56,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 15:53:56,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 03:53:56" (1/1) ... [2024-11-11 15:53:56,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31de6d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:56, skipping insertion in model container [2024-11-11 15:53:56,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 03:53:56" (1/1) ... [2024-11-11 15:53:56,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 15:53:57,126 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/array-fpi/ms1f.c[587,600] [2024-11-11 15:53:57,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 15:53:57,149 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 15:53:57,158 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/array-fpi/ms1f.c[587,600] [2024-11-11 15:53:57,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 15:53:57,179 INFO L204 MainTranslator]: Completed translation [2024-11-11 15:53:57,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57 WrapperNode [2024-11-11 15:53:57,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 15:53:57,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 15:53:57,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 15:53:57,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 15:53:57,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,211 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-11 15:53:57,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 15:53:57,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 15:53:57,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 15:53:57,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 15:53:57,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,224 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,240 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [2, 7, 2, 4]. 47 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 3 writes are split as follows [0, 0, 1, 2]. [2024-11-11 15:53:57,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 15:53:57,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 15:53:57,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 15:53:57,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 15:53:57,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (1/1) ... [2024-11-11 15:53:57,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 15:53:57,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 15:53:57,298 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) [2024-11-11 15:53:57,301 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 [2024-11-11 15:53:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 15:53:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 15:53:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 15:53:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 15:53:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 15:53:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 15:53:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 15:53:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 15:53:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-11 15:53:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-11 15:53:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-11 15:53:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 15:53:57,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 15:53:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 15:53:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 15:53:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-11 15:53:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-11 15:53:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 15:53:57,461 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 15:53:57,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 15:53:57,641 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-11 15:53:57,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 15:53:57,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 15:53:57,653 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 15:53:57,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 03:53:57 BoogieIcfgContainer [2024-11-11 15:53:57,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 15:53:57,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 15:53:57,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 15:53:57,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 15:53:57,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 03:53:56" (1/3) ... [2024-11-11 15:53:57,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49840bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 03:53:57, skipping insertion in model container [2024-11-11 15:53:57,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 03:53:57" (2/3) ... [2024-11-11 15:53:57,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49840bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 03:53:57, skipping insertion in model container [2024-11-11 15:53:57,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 03:53:57" (3/3) ... [2024-11-11 15:53:57,664 INFO L112 eAbstractionObserver]: Analyzing ICFG ms1f.c [2024-11-11 15:53:57,681 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 15:53:57,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 15:53:57,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 15:53:57,749 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;@6ad95eb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 15:53:57,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 15:53:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2024-11-11 15:53:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-11 15:53:57,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 15:53:57,758 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 15:53:57,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 15:53:57,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 15:53:57,763 INFO L85 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2024-11-11 15:53:57,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 15:53:57,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163159056] [2024-11-11 15:53:57,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 15:53:57,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 15:53:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 15:53:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 15:53:57,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 15:53:57,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163159056] [2024-11-11 15:53:57,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163159056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 15:53:57,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 15:53:57,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 15:53:57,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731713150] [2024-11-11 15:53:57,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 15:53:57,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 15:53:57,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 15:53:57,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 15:53:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 15:53:57,957 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-11 15:53:57,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 15:53:57,972 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2024-11-11 15:53:57,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 15:53:57,974 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2024-11-11 15:53:57,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 15:53:57,980 INFO L225 Difference]: With dead ends: 34 [2024-11-11 15:53:57,980 INFO L226 Difference]: Without dead ends: 15 [2024-11-11 15:53:57,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 15:53:57,986 INFO L435 NwaCegarLoop]: 22 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, 22 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 [2024-11-11 15:53:57,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 15:53:58,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-11 15:53:58,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-11 15:53:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-11-11 15:53:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-11 15:53:58,019 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-11 15:53:58,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 15:53:58,020 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-11 15:53:58,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-11 15:53:58,020 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-11 15:53:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-11 15:53:58,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 15:53:58,021 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 15:53:58,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 15:53:58,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 15:53:58,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 15:53:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2024-11-11 15:53:58,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 15:53:58,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317660005] [2024-11-11 15:53:58,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 15:53:58,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 15:53:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 15:53:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 15:53:58,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 15:53:58,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317660005] [2024-11-11 15:53:58,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317660005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 15:53:58,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 15:53:58,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 15:53:58,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192737032] [2024-11-11 15:53:58,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 15:53:58,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-11 15:53:58,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 15:53:58,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-11 15:53:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-11 15:53:58,239 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-11 15:53:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 15:53:58,297 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2024-11-11 15:53:58,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-11 15:53:58,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 11 [2024-11-11 15:53:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 15:53:58,300 INFO L225 Difference]: With dead ends: 28 [2024-11-11 15:53:58,300 INFO L226 Difference]: Without dead ends: 20 [2024-11-11 15:53:58,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-11 15:53:58,303 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 15:53:58,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 15:53:58,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-11 15:53:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-11-11 15:53:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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) [2024-11-11 15:53:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-11 15:53:58,312 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-11-11 15:53:58,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 15:53:58,313 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-11 15:53:58,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-11 15:53:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-11 15:53:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-11 15:53:58,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 15:53:58,314 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 15:53:58,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 15:53:58,315 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 15:53:58,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 15:53:58,316 INFO L85 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2024-11-11 15:53:58,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 15:53:58,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303203437] [2024-11-11 15:53:58,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 15:53:58,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 15:53:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 15:53:58,371 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 15:53:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 15:53:58,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 15:53:58,463 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 15:53:58,464 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 15:53:58,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 15:53:58,475 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-11 15:53:58,503 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 15:53:58,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 03:53:58 BoogieIcfgContainer [2024-11-11 15:53:58,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 15:53:58,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 15:53:58,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 15:53:58,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 15:53:58,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 03:53:57" (3/4) ... [2024-11-11 15:53:58,531 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-11 15:53:58,574 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 15:53:58,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 15:53:58,575 INFO L158 Benchmark]: Toolchain (without parser) took 1642.68ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 132.6MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 15:53:58,575 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 15:53:58,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.44ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 99.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-11 15:53:58,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.72ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 97.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 15:53:58,576 INFO L158 Benchmark]: Boogie Preprocessor took 48.38ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 15:53:58,577 INFO L158 Benchmark]: RCFGBuilder took 393.48ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 83.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 15:53:58,577 INFO L158 Benchmark]: TraceAbstraction took 851.87ms. Allocated memory is still 167.8MB. Free memory was 82.4MB in the beginning and 134.7MB in the end (delta: -52.3MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-11 15:53:58,577 INFO L158 Benchmark]: Witness Printer took 65.55ms. Allocated memory is still 167.8MB. Free memory was 134.7MB in the beginning and 132.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 15:53:58,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.44ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 99.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.72ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 97.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.38ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.48ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 83.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 851.87ms. Allocated memory is still 167.8MB. Free memory was 82.4MB in the beginning and 134.7MB in the end (delta: -52.3MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Witness Printer took 65.55ms. Allocated memory is still 167.8MB. Free memory was 134.7MB in the beginning and 132.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1, a={-1:0}, i=0, sum={8:0}] [L31] COND TRUE i