./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-regression/callfpointer.i --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/ldv-regression/callfpointer.i -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 45c43693f4f3f91586cc9df19022a185dd3623f205cbd940b3980f4c3e305a9e
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-c4f9136-m
[2023-11-23 14:14:12,457 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-23 14:14:12,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-23 14:14:12,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 14:14:12,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 14:14:12,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 14:14:12,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 14:14:12,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 14:14:12,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-23 14:14:12,581 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-23 14:14:12,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 14:14:12,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 14:14:12,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-23 14:14:12,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-23 14:14:12,582 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-23 14:14:12,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 14:14:12,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-23 14:14:12,583 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-23 14:14:12,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-23 14:14:12,583 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-23 14:14:12,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-23 14:14:12,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 14:14:12,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 14:14:12,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 14:14:12,584 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-23 14:14:12,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-23 14:14:12,584 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-23 14:14:12,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 14:14:12,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-23 14:14:12,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 14:14:12,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-23 14:14:12,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 14:14:12,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 14:14:12,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 14:14:12,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 14:14:12,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-23 14:14:12,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-23 14:14:12,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 14:14:12,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-23 14:14:12,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 14:14:12,588 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-23 14:14:12,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 14:14:12,588 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45c43693f4f3f91586cc9df19022a185dd3623f205cbd940b3980f4c3e305a9e
[2023-11-23 14:14:12,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 14:14:12,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 14:14:12,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 14:14:12,805 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-23 14:14:12,805 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-23 14:14:12,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/callfpointer.i
[2023-11-23 14:14:13,830 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-23 14:14:13,996 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-23 14:14:13,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i
[2023-11-23 14:14:14,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d056c8308/93cdb5dcb7b94a61a2a5bda954d5f597/FLAG89d99bc96
[2023-11-23 14:14:14,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d056c8308/93cdb5dcb7b94a61a2a5bda954d5f597
[2023-11-23 14:14:14,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 14:14:14,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 14:14:14,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 14:14:14,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 14:14:14,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 14:14:14,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a0e65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14, skipping insertion in model container
[2023-11-23 14:14:14,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,033 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-23 14:14:14,131 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i[335,348]
[2023-11-23 14:14:14,136 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 14:14:14,145 INFO L202 MainTranslator]: Completed pre-run
[2023-11-23 14:14:14,154 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i[335,348]
[2023-11-23 14:14:14,155 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 14:14:14,160 WARN L675 CHandler]: The function g is called, but not defined or handled by StandardFunctionHandler.
[2023-11-23 14:14:14,166 INFO L206 MainTranslator]: Completed translation
[2023-11-23 14:14:14,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14 WrapperNode
[2023-11-23 14:14:14,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 14:14:14,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 14:14:14,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 14:14:14,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 14:14:14,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,189 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 22
[2023-11-23 14:14:14,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 14:14:14,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 14:14:14,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 14:14:14,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 14:14:14,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,207 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-11-23 14:14:14,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 14:14:14,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 14:14:14,213 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 14:14:14,213 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-23 14:14:14,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (1/1) ...
[2023-11-23 14:14:14,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 14:14:14,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-23 14:14:14,251 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 14:14:14,254 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 14:14:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 14:14:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-23 14:14:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 14:14:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 14:14:14,375 INFO L241 CfgBuilder]: Building ICFG
[2023-11-23 14:14:14,377 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 14:14:14,437 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-23 14:14:14,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 14:14:14,466 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-23 14:14:14,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:14 BoogieIcfgContainer
[2023-11-23 14:14:14,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 14:14:14,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 14:14:14,468 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 14:14:14,471 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-23 14:14:14,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:14:14" (1/3) ...
[2023-11-23 14:14:14,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13916611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:14, skipping insertion in model container
[2023-11-23 14:14:14,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:14" (2/3) ...
[2023-11-23 14:14:14,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13916611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:14, skipping insertion in model container
[2023-11-23 14:14:14,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:14" (3/3) ...
[2023-11-23 14:14:14,473 INFO L112 eAbstractionObserver]: Analyzing ICFG callfpointer.i
[2023-11-23 14:14:14,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 14:14:14,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-23 14:14:14,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-23 14:14:14,532 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;@1bdf1aa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 14:14:14,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-23 14:14:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 14:14:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-23 14:14:14,540 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 14:14:14,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-23 14:14:14,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 14:14:14,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 14:14:14,546 INFO L85 PathProgramCache]: Analyzing trace with hash 49173, now seen corresponding path program 1 times
[2023-11-23 14:14:14,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-23 14:14:14,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269736648]
[2023-11-23 14:14:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 14:14:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 14:14:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 14:14:14,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-23 14:14:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 14:14:14,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-23 14:14:14,689 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-23 14:14:14,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-23 14:14:14,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-23 14:14:14,695 INFO L445 BasicCegarLoop]: Path program histogram: [1]
[2023-11-23 14:14:14,701 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-23 14:14:14,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:14:14 BoogieIcfgContainer
[2023-11-23 14:14:14,711 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-23 14:14:14,712 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-23 14:14:14,712 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-23 14:14:14,712 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-23 14:14:14,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:14" (3/4) ...
[2023-11-23 14:14:14,713 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2023-11-23 14:14:14,748 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2023-11-23 14:14:14,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-23 14:14:14,749 INFO L158 Benchmark]: Toolchain (without parser) took 735.03ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 72.5MB in the end (delta: 38.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2023-11-23 14:14:14,750 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 14:14:14,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.34ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 100.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-23 14:14:14,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.52ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 14:14:14,751 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 97.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 14:14:14,752 INFO L158 Benchmark]: RCFGBuilder took 253.90ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 88.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-23 14:14:14,752 INFO L158 Benchmark]: TraceAbstraction took 243.10ms. Allocated memory is still 167.8MB. Free memory was 87.2MB in the beginning and 74.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-23 14:14:14,753 INFO L158 Benchmark]: Witness Printer took 36.93ms. Allocated memory is still 167.8MB. Free memory was 74.3MB in the beginning and 72.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 14:14:14,776 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 167.8MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 151.34ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 100.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 22.52ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 21.90ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 97.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 253.90ms. Allocated memory is still 167.8MB. Free memory was 97.7MB in the beginning and 88.0MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 243.10ms. Allocated memory is still 167.8MB. Free memory was 87.2MB in the beginning and 74.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Witness Printer took 36.93ms. Allocated memory is still 167.8MB. Free memory was 74.3MB in the beginning and 72.5MB in the end (delta: 1.8MB). 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: 16]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L22] CALL f(h)
[L11] CALL g(1)
[L15] COND TRUE i==1
VAL [\old(i)=1, i=1]
[L16] reach_error()
VAL [\old(i)=1, i=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 14:14:14,810 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