./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/array-fpi/brs5f.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version c4f91361
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/brs5f.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 3f54bfe272f098fc8d49d4d1aeeacd60f3c02b9f503aca7cdfa86fa26e25ba9c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-c4f9136-m
[2023-11-23 15:10:05,620 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-23 15:10:05,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-23 15:10:05,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 15:10:05,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 15:10:05,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 15:10:05,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 15:10:05,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 15:10:05,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-23 15:10:05,690 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-23 15:10:05,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 15:10:05,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 15:10:05,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-23 15:10:05,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-23 15:10:05,691 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-23 15:10:05,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 15:10:05,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-23 15:10:05,691 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-23 15:10:05,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-23 15:10:05,692 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-23 15:10:05,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-23 15:10:05,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 15:10:05,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 15:10:05,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 15:10:05,696 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-23 15:10:05,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-23 15:10:05,696 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-23 15:10:05,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 15:10:05,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-23 15:10:05,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 15:10:05,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-23 15:10:05,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 15:10:05,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 15:10:05,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 15:10:05,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 15:10:05,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-23 15:10:05,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-23 15:10:05,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 15:10:05,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-23 15:10:05,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 15:10:05,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-23 15:10:05,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 15:10:05,699 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f54bfe272f098fc8d49d4d1aeeacd60f3c02b9f503aca7cdfa86fa26e25ba9c
[2023-11-23 15:10:05,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 15:10:05,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 15:10:05,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 15:10:05,937 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-23 15:10:05,937 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-23 15:10:05,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/brs5f.c
[2023-11-23 15:10:06,933 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-23 15:10:07,080 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-23 15:10:07,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/brs5f.c
[2023-11-23 15:10:07,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf5f246a/864a46bdd11b44cdb86421a9052fbbaf/FLAGe9203ccb6
[2023-11-23 15:10:07,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf5f246a/864a46bdd11b44cdb86421a9052fbbaf
[2023-11-23 15:10:07,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 15:10:07,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 15:10:07,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 15:10:07,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 15:10:07,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 15:10:07,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481a3c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07, skipping insertion in model container
[2023-11-23 15:10:07,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,119 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-23 15:10:07,228 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/brs5f.c[588,601]
[2023-11-23 15:10:07,241 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 15:10:07,247 INFO L202 MainTranslator]: Completed pre-run
[2023-11-23 15:10:07,256 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/brs5f.c[588,601]
[2023-11-23 15:10:07,260 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 15:10:07,271 INFO L206 MainTranslator]: Completed translation
[2023-11-23 15:10:07,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07 WrapperNode
[2023-11-23 15:10:07,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 15:10:07,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 15:10:07,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 15:10:07,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 15:10:07,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,309 INFO L138 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74
[2023-11-23 15:10:07,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 15:10:07,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 15:10:07,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 15:10:07,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 15:10:07,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,340 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 8, 3, 4]. 47 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8, 0, 0]. The 4 writes are split as follows [0, 0, 2, 2].
[2023-11-23 15:10:07,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 15:10:07,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 15:10:07,364 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 15:10:07,365 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-23 15:10:07,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (1/1) ...
[2023-11-23 15:10:07,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 15:10:07,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-23 15:10:07,390 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)
[2023-11-23 15:10:07,396 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
[2023-11-23 15:10:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 15:10:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-23 15:10:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-23 15:10:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-11-23 15:10:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2023-11-23 15:10:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-23 15:10:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-23 15:10:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-23 15:10:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 15:10:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2023-11-23 15:10:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-23 15:10:07,508 INFO L241 CfgBuilder]: Building ICFG
[2023-11-23 15:10:07,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 15:10:07,681 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-23 15:10:07,709 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 15:10:07,709 INFO L309 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-23 15:10:07,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:07 BoogieIcfgContainer
[2023-11-23 15:10:07,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 15:10:07,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 15:10:07,711 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 15:10:07,713 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-23 15:10:07,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:10:07" (1/3) ...
[2023-11-23 15:10:07,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46184798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:10:07, skipping insertion in model container
[2023-11-23 15:10:07,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:07" (2/3) ...
[2023-11-23 15:10:07,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46184798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:10:07, skipping insertion in model container
[2023-11-23 15:10:07,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:07" (3/3) ...
[2023-11-23 15:10:07,715 INFO L112 eAbstractionObserver]: Analyzing ICFG brs5f.c
[2023-11-23 15:10:07,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 15:10:07,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-23 15:10:07,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-23 15:10:07,778 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;@6a2800f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 15:10:07,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-23 15:10:07,783 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)
[2023-11-23 15:10:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-23 15:10:07,787 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 15:10:07,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-23 15:10:07,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 15:10:07,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 15:10:07,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1256235845, now seen corresponding path program 1 times
[2023-11-23 15:10:07,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 15:10:07,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134548281]
[2023-11-23 15:10:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 15:10:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 15:10:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 15:10:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 15:10:07,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-23 15:10:07,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134548281]
[2023-11-23 15:10:07,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134548281] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 15:10:07,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 15:10:07,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 15:10:07,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818249414]
[2023-11-23 15:10:07,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 15:10:07,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-23 15:10:07,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-23 15:10:07,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-23 15:10:07,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-23 15:10:07,998 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)
[2023-11-23 15:10:08,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 15:10:08,021 INFO L93 Difference]: Finished difference Result 33 states and 47 transitions.
[2023-11-23 15:10:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-23 15:10:08,023 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
[2023-11-23 15:10:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 15:10:08,028 INFO L225 Difference]: With dead ends: 33
[2023-11-23 15:10:08,028 INFO L226 Difference]: Without dead ends: 15
[2023-11-23 15:10:08,030 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
[2023-11-23 15:10:08,032 INFO L413 NwaCegarLoop]: 20 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, 20 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
[2023-11-23 15:10:08,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-23 15:10:08,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2023-11-23 15:10:08,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2023-11-23 15:10:08,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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)
[2023-11-23 15:10:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions.
[2023-11-23 15:10:08,057 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 10
[2023-11-23 15:10:08,057 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 15:10:08,057 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions.
[2023-11-23 15:10:08,057 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)
[2023-11-23 15:10:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions.
[2023-11-23 15:10:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-23 15:10:08,058 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 15:10:08,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-23 15:10:08,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-23 15:10:08,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 15:10:08,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 15:10:08,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2065910172, now seen corresponding path program 1 times
[2023-11-23 15:10:08,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 15:10:08,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804220950]
[2023-11-23 15:10:08,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 15:10:08,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 15:10:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 15:10:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-23 15:10:08,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-23 15:10:08,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804220950]
[2023-11-23 15:10:08,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804220950] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 15:10:08,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 15:10:08,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-23 15:10:08,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283065972]
[2023-11-23 15:10:08,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 15:10:08,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-23 15:10:08,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-23 15:10:08,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-23 15:10:08,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-23 15:10:08,169 INFO L87 Difference]: Start difference. First operand 15 states and 18 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)
[2023-11-23 15:10:08,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 15:10:08,205 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions.
[2023-11-23 15:10:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-23 15:10:08,206 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
[2023-11-23 15:10:08,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 15:10:08,206 INFO L225 Difference]: With dead ends: 32
[2023-11-23 15:10:08,206 INFO L226 Difference]: Without dead ends: 21
[2023-11-23 15:10:08,207 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
[2023-11-23 15:10:08,207 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 24 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-23 15:10:08,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 10 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-23 15:10:08,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2023-11-23 15:10:08,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19.
[2023-11-23 15:10:08,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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)
[2023-11-23 15:10:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions.
[2023-11-23 15:10:08,211 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 10
[2023-11-23 15:10:08,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 15:10:08,211 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions.
[2023-11-23 15:10:08,212 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)
[2023-11-23 15:10:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions.
[2023-11-23 15:10:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-23 15:10:08,213 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 15:10:08,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-23 15:10:08,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-23 15:10:08,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 15:10:08,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 15:10:08,217 INFO L85 PathProgramCache]: Analyzing trace with hash 785079709, now seen corresponding path program 1 times
[2023-11-23 15:10:08,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 15:10:08,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256474255]
[2023-11-23 15:10:08,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 15:10:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 15:10:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 15:10:08,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-23 15:10:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 15:10:08,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-23 15:10:08,319 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-23 15:10:08,321 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-23 15:10:08,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-23 15:10:08,325 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-23 15:10:08,327 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-23 15:10:08,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:10:08 BoogieIcfgContainer
[2023-11-23 15:10:08,344 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-23 15:10:08,344 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-23 15:10:08,344 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-23 15:10:08,345 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-23 15:10:08,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:07" (3/4) ...
[2023-11-23 15:10:08,345 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2023-11-23 15:10:08,380 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2023-11-23 15:10:08,380 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-23 15:10:08,380 INFO L158 Benchmark]: Toolchain (without parser) took 1279.31ms. Allocated memory is still 182.5MB. Free memory was 146.0MB in the beginning and 106.0MB in the end (delta: 39.9MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB.
[2023-11-23 15:10:08,380 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 145.2MB in the end (delta: 98.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 15:10:08,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.73ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-23 15:10:08,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 182.5MB. Free memory was 144.8MB in the beginning and 143.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 15:10:08,381 INFO L158 Benchmark]: Boogie Preprocessor took 53.18ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 141.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 15:10:08,381 INFO L158 Benchmark]: RCFGBuilder took 345.72ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 148.0MB in the end (delta: -6.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-23 15:10:08,382 INFO L158 Benchmark]: TraceAbstraction took 633.24ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 108.2MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2023-11-23 15:10:08,382 INFO L158 Benchmark]: Witness Printer took 35.53ms. Allocated memory is still 182.5MB. Free memory was 108.2MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 15:10:08,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 145.2MB in the end (delta: 98.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 169.73ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 144.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.24ms. Allocated memory is still 182.5MB. Free memory was 144.8MB in the beginning and 143.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 53.18ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 141.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 345.72ms. Allocated memory is still 182.5MB. Free memory was 141.4MB in the beginning and 148.0MB in the end (delta: -6.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 633.24ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 108.2MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* Witness Printer took 35.53ms. Allocated memory is still 182.5MB. Free memory was 108.2MB in the beginning and 106.0MB 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<N
VAL [N=1, a={-1:0}, i=0, sum={9:0}]
[L33] COND TRUE i%5==0
[L34] a[i] = 5
VAL [N=1]
[L31] i++
VAL [N=1, a={-1:0}, i=1, sum={9:0}]
[L31] COND FALSE !(i<N)
VAL [N=1, a={-1:0}, i=1, sum={9:0}]
[L40] i=0
VAL [N=1, a={-1:0}, i=0, sum={9:0}]
[L40] COND TRUE i<N
VAL [N=1, a={-1:0}, i=0, sum={9:0}]
[L42] COND TRUE i==0
[L43] sum[0] = N + 5
VAL [N=1]
[L40] i++
VAL [N=1, a={-1:0}, i=1, sum={9:0}]
[L40] COND FALSE !(i<N)
VAL [N=1, a={-1:0}, i=1, sum={9:0}]
[L48] EXPR sum[0]
[L48] CALL __VERIFIER_assert(sum[0] <= 5*N)
[L15] COND TRUE !(cond)
VAL [N=1, \old(cond)=0, cond=0]
[L15] reach_error()
VAL [N=1, \old(cond)=0, cond=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 27 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-11-23 15:10:08,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE