./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/array-fpi/brs1f.c --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/array-fpi/brs1f.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 397d4cfd150d1b1299128d348dd7ea680fdedf9d0b4471c18114785f57a31b18 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 22:34:26,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 22:34:26,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-22 22:34:26,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 22:34:26,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 22:34:26,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 22:34:26,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 22:34:26,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 22:34:26,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 22:34:26,091 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 22:34:26,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 22:34:26,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 22:34:26,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 22:34:26,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 22:34:26,094 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 22:34:26,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 22:34:26,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 22:34:26,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-22 22:34:26,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 22:34:26,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-22 22:34:26,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 22:34:26,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 22:34:26,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 22:34:26,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 22:34:26,096 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-22 22:34:26,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 22:34:26,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 22:34:26,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 22:34:26,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 22:34:26,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 22:34:26,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 22:34:26,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 22:34:26,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 22:34:26,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 22:34:26,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 22:34:26,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 22:34:26,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 22:34:26,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 22:34:26,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 22:34:26,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 22:34:26,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 22:34:26,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 22:34:26,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 397d4cfd150d1b1299128d348dd7ea680fdedf9d0b4471c18114785f57a31b18 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-22 22:34:26,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 22:34:26,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 22:34:26,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 22:34:26,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 22:34:26,321 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 22:34:26,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/brs1f.c [2023-11-22 22:34:27,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 22:34:27,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 22:34:27,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/brs1f.c [2023-11-22 22:34:27,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c18d9c7d/35ecfa464d9c4174bd7b9ae8addfd52d/FLAG670ca35fc [2023-11-22 22:34:27,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c18d9c7d/35ecfa464d9c4174bd7b9ae8addfd52d [2023-11-22 22:34:27,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 22:34:27,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 22:34:27,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 22:34:27,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 22:34:27,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 22:34:27,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50325968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27, skipping insertion in model container [2023-11-22 22:34:27,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 22:34:27,800 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/brs1f.c[588,601] [2023-11-22 22:34:27,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 22:34:27,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 22:34:27,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/brs1f.c[588,601] [2023-11-22 22:34:27,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 22:34:27,863 INFO L206 MainTranslator]: Completed translation [2023-11-22 22:34:27,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27 WrapperNode [2023-11-22 22:34:27,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 22:34:27,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 22:34:27,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 22:34:27,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 22:34:27,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,910 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-22 22:34:27,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 22:34:27,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 22:34:27,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 22:34:27,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 22:34:27,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,922 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,931 INFO L189 HeapSplitter]: Split 17 memory accesses to 4 slices as follows [2, 8, 4, 3] [2023-11-22 22:34:27,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 22:34:27,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 22:34:27,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 22:34:27,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 22:34:27,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (1/1) ... [2023-11-22 22:34:27,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 22:34:27,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 22:34:27,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 22:34:27,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 22:34:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 22:34:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-22 22:34:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-22 22:34:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-22 22:34:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-22 22:34:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 22:34:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-22 22:34:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-22 22:34:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-22 22:34:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-22 22:34:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 22:34:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 22:34:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 22:34:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-22 22:34:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-22 22:34:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-22 22:34:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-22 22:34:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 22:34:28,085 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 22:34:28,087 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 22:34:28,219 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 22:34:28,237 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 22:34:28,237 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-22 22:34:28,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:34:28 BoogieIcfgContainer [2023-11-22 22:34:28,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 22:34:28,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 22:34:28,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 22:34:28,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 22:34:28,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:34:27" (1/3) ... [2023-11-22 22:34:28,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b74f0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:34:28, skipping insertion in model container [2023-11-22 22:34:28,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:27" (2/3) ... [2023-11-22 22:34:28,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b74f0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:34:28, skipping insertion in model container [2023-11-22 22:34:28,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:34:28" (3/3) ... [2023-11-22 22:34:28,244 INFO L112 eAbstractionObserver]: Analyzing ICFG brs1f.c [2023-11-22 22:34:28,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 22:34:28,258 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 22:34:28,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 22:34:28,296 INFO L357 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, mHoare=true, 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;@74100d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 22:34:28,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 22:34:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.625) internal successors, (26), 17 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) [2023-11-22 22:34:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-22 22:34:28,303 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:34:28,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 22:34:28,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:34:28,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:34:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1256235845, now seen corresponding path program 1 times [2023-11-22 22:34:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:34:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621043880] [2023-11-22 22:34:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:34:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:34:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:34:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 22:34:28,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:34:28,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621043880] [2023-11-22 22:34:28,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621043880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:34:28,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:34:28,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 22:34:28,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792547797] [2023-11-22 22:34:28,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:34:28,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-22 22:34:28,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:34:28,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-22 22:34:28,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-22 22:34:28,509 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.625) internal successors, (26), 17 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-22 22:34:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:34:28,552 INFO L93 Difference]: Finished difference Result 33 states and 47 transitions. [2023-11-22 22:34:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 22:34:28,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2023-11-22 22:34:28,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:34:28,559 INFO L225 Difference]: With dead ends: 33 [2023-11-22 22:34:28,559 INFO L226 Difference]: Without dead ends: 15 [2023-11-22 22:34:28,561 INFO L412 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 [2023-11-22 22:34:28,565 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-22 22:34:28,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-22 22:34:28,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-22 22:34:28,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-22 22:34:28,588 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) [2023-11-22 22:34:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-22 22:34:28,589 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2023-11-22 22:34:28,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:34:28,590 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-22 22:34:28,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-22 22:34:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-22 22:34:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-22 22:34:28,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:34:28,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 22:34:28,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 22:34:28,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:34:28,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:34:28,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2065910172, now seen corresponding path program 1 times [2023-11-22 22:34:28,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:34:28,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858204856] [2023-11-22 22:34:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:34:28,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:34:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 22:34:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 22:34:28,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 22:34:28,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858204856] [2023-11-22 22:34:28,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858204856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 22:34:28,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 22:34:28,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-22 22:34:28,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323782012] [2023-11-22 22:34:28,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 22:34:28,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-22 22:34:28,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 22:34:28,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-22 22:34:28,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-22 22:34:28,684 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-11-22 22:34:28,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 22:34:28,719 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2023-11-22 22:34:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 22:34:28,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2023-11-22 22:34:28,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 22:34:28,721 INFO L225 Difference]: With dead ends: 29 [2023-11-22 22:34:28,721 INFO L226 Difference]: Without dead ends: 21 [2023-11-22 22:34:28,723 INFO L412 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 [2023-11-22 22:34:28,725 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 23 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-22 22:34:28,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-22 22:34:28,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-22 22:34:28,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2023-11-22 22:34:28,732 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) [2023-11-22 22:34:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2023-11-22 22:34:28,733 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 10 [2023-11-22 22:34:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 22:34:28,733 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2023-11-22 22:34:28,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-11-22 22:34:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-22 22:34:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-22 22:34:28,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 22:34:28,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 22:34:28,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 22:34:28,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 22:34:28,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 22:34:28,737 INFO L85 PathProgramCache]: Analyzing trace with hash 785079709, now seen corresponding path program 1 times [2023-11-22 22:34:28,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 22:34:28,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938254052] [2023-11-22 22:34:28,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 22:34:28,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 22:34:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 22:34:28,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-22 22:34:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-22 22:34:28,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-22 22:34:28,824 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-22 22:34:28,826 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-22 22:34:28,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 22:34:28,830 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-22 22:34:28,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-22 22:34:28,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:34:28 BoogieIcfgContainer [2023-11-22 22:34:28,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-22 22:34:28,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-22 22:34:28,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-22 22:34:28,849 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-22 22:34:28,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:34:28" (3/4) ... [2023-11-22 22:34:28,850 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-22 22:34:28,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-22 22:34:28,882 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-22 22:34:28,883 INFO L158 Benchmark]: Toolchain (without parser) took 1233.71ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 77.0MB in the beginning and 130.2MB in the end (delta: -53.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 22:34:28,883 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 134.2MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 22:34:28,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.10ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 65.8MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-22 22:34:28,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.40ms. Allocated memory is still 134.2MB. Free memory was 65.8MB in the beginning and 64.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 22:34:28,884 INFO L158 Benchmark]: Boogie Preprocessor took 35.51ms. Allocated memory is still 134.2MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-22 22:34:28,884 INFO L158 Benchmark]: RCFGBuilder took 290.18ms. Allocated memory is still 134.2MB. Free memory was 62.2MB in the beginning and 49.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-22 22:34:28,884 INFO L158 Benchmark]: TraceAbstraction took 609.54ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 48.4MB in the beginning and 132.3MB in the end (delta: -83.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 22:34:28,885 INFO L158 Benchmark]: Witness Printer took 33.50ms. Allocated memory is still 184.5MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-22 22:34:28,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 134.2MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.10ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 65.8MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.40ms. Allocated memory is still 134.2MB. Free memory was 65.8MB in the beginning and 64.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.51ms. Allocated memory is still 134.2MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.18ms. Allocated memory is still 134.2MB. Free memory was 62.2MB in the beginning and 49.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 609.54ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 48.4MB in the beginning and 132.3MB in the end (delta: -83.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.50ms. Allocated memory is still 184.5MB. Free memory was 132.3MB in the beginning and 130.2MB 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; [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, \old(cond)=1, cond=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1, a={-1:0}, i=0, sum={9:0}] [L31] COND TRUE i