This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m
[2024-09-20 13:32:34,086 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-20 13:32:34,130 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-20 13:32:34,136 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-20 13:32:34,136 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-20 13:32:34,161 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-20 13:32:34,161 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-20 13:32:34,162 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-20 13:32:34,162 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-20 13:32:34,163 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-20 13:32:34,163 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-20 13:32:34,164 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-20 13:32:34,164 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-20 13:32:34,164 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-20 13:32:34,164 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-20 13:32:34,165 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-20 13:32:34,165 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-20 13:32:34,165 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-20 13:32:34,165 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-20 13:32:34,165 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-20 13:32:34,166 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-20 13:32:34,168 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-20 13:32:34,168 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-20 13:32:34,169 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-20 13:32:34,169 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-20 13:32:34,169 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-20 13:32:34,169 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-20 13:32:34,169 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-20 13:32:34,170 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-20 13:32:34,170 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-20 13:32:34,170 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-20 13:32:34,171 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-20 13:32:34,171 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:32:34,171 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-20 13:32:34,171 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-20 13:32:34,172 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-20 13:32:34,172 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-20 13:32:34,172 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-20 13:32:34,172 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-20 13:32:34,172 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-20 13:32:34,172 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-20 13:32:34,173 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-20 13:32:34,173 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/certificate-witnesses-artifact/automizer/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-20 13:32:34,380 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-20 13:32:34,400 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-20 13:32:34,403 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-20 13:32:34,404 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-20 13:32:34,404 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-20 13:32:34,405 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i
[2024-09-20 13:32:35,649 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-20 13:32:35,826 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-20 13:32:35,826 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i
[2024-09-20 13:32:35,833 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/e0f7717de/b9ea6cf73651419aa8f4b617c025bc52/FLAG5c4b42709
[2024-09-20 13:32:35,848 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/e0f7717de/b9ea6cf73651419aa8f4b617c025bc52
[2024-09-20 13:32:35,851 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-20 13:32:35,852 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-20 13:32:35,854 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark26_linear_abstracted.yml/witness-2.1.yml
[2024-09-20 13:32:35,897 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-20 13:32:35,898 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-20 13:32:35,900 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-20 13:32:35,900 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-20 13:32:35,904 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-20 13:32:35,904 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:35" (1/2) ...
[2024-09-20 13:32:35,906 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d3fd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:35, skipping insertion in model container
[2024-09-20 13:32:35,906 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:32:35" (1/2) ...
[2024-09-20 13:32:35,907 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63fbfad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:32:35, skipping insertion in model container
[2024-09-20 13:32:35,907 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:32:35" (2/2) ...
[2024-09-20 13:32:35,907 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d3fd50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:35, skipping insertion in model container
[2024-09-20 13:32:35,907 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:32:35" (2/2) ...
[2024-09-20 13:32:35,912 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-20 13:32:35,915 INFO  L1541             ArrayList]: Function contract at [L15]: requires (\old(cond) != 0), ensures (\old(cond) != 0)
[2024-09-20 13:32:35,928 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-20 13:32:36,048 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i[904,917]
[2024-09-20 13:32:36,065 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:32:36,073 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-20 13:32:36,103 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i[904,917]
[2024-09-20 13:32:36,107 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:32:36,119 INFO  L204         MainTranslator]: Completed translation
[2024-09-20 13:32:36,120 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36 WrapperNode
[2024-09-20 13:32:36,121 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-20 13:32:36,121 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-20 13:32:36,122 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-20 13:32:36,122 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-20 13:32:36,126 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,133 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,148 INFO  L138                Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36
[2024-09-20 13:32:36,148 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-20 13:32:36,149 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-20 13:32:36,149 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-20 13:32:36,150 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-20 13:32:36,158 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,158 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,159 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,166 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-09-20 13:32:36,166 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,166 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,168 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,169 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,170 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,170 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,171 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-20 13:32:36,172 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-20 13:32:36,172 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-20 13:32:36,172 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-20 13:32:36,173 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (1/1) ...
[2024-09-20 13:32:36,176 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:32:36,182 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-20 13:32:36,195 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-20 13:32:36,197 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-20 13:32:36,232 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-20 13:32:36,232 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-20 13:32:36,232 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-20 13:32:36,232 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-20 13:32:36,283 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-20 13:32:36,285 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-20 13:32:36,379 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-09-20 13:32:36,379 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-20 13:32:36,398 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-20 13:32:36,398 INFO  L318             CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-20 13:32:36,399 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:36 BoogieIcfgContainer
[2024-09-20 13:32:36,399 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-20 13:32:36,400 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-20 13:32:36,400 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-09-20 13:32:36,402 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-09-20 13:32:36,403 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:32:35" (1/4) ...
[2024-09-20 13:32:36,403 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5157371a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:32:36, skipping insertion in model container
[2024-09-20 13:32:36,403 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:32:35" (2/4) ...
[2024-09-20 13:32:36,403 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5157371a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:32:36, skipping insertion in model container
[2024-09-20 13:32:36,403 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:32:36" (3/4) ...
[2024-09-20 13:32:36,404 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5157371a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:32:36, skipping insertion in model container
[2024-09-20 13:32:36,404 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:32:36" (4/4) ...
[2024-09-20 13:32:36,405 INFO  L112   eAbstractionObserver]: Analyzing ICFG benchmark26_linear_abstracted.i
[2024-09-20 13:32:36,418 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-20 13:32:36,418 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2024-09-20 13:32:36,454 INFO  L335      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-20 13:32:36,461 INFO  L336      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6b0a1965, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-20 13:32:36,461 INFO  L337      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-09-20 13:32:36,464 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 16 states, 12 states have (on average 1.75) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:32:36,469 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-09-20 13:32:36,469 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:32:36,469 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-09-20 13:32:36,470 INFO  L399      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-20 13:32:36,474 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:32:36,475 INFO  L85        PathProgramCache]: Analyzing trace with hash 73196551, now seen corresponding path program 1 times
[2024-09-20 13:32:36,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:32:36,482 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31599188]
[2024-09-20 13:32:36,483 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:32:36,483 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:32:36,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:32:36,604 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:32:36,605 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:32:36,605 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31599188]
[2024-09-20 13:32:36,605 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31599188] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:32:36,605 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:32:36,605 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-20 13:32:36,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916124329]
[2024-09-20 13:32:36,611 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:32:36,614 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-20 13:32:36,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:32:36,636 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-20 13:32:36,637 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:32:36,638 INFO  L87              Difference]: Start difference. First operand  has 16 states, 12 states have (on average 1.75) internal successors, (21), 15 states have internal predecessors, (21), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:32:36,660 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:32:36,660 INFO  L93              Difference]: Finished difference Result 16 states and 16 transitions.
[2024-09-20 13:32:36,661 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-20 13:32:36,663 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5
[2024-09-20 13:32:36,663 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:32:36,668 INFO  L225             Difference]: With dead ends: 16
[2024-09-20 13:32:36,668 INFO  L226             Difference]: Without dead ends: 14
[2024-09-20 13:32:36,670 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:32:36,672 INFO  L434           NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:32:36,673 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:32:36,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2024-09-20 13:32:36,690 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2024-09-20 13:32:36,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:32:36,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions.
[2024-09-20 13:32:36,691 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 5
[2024-09-20 13:32:36,691 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:32:36,692 INFO  L474      AbstractCegarLoop]: Abstraction has 14 states and 13 transitions.
[2024-09-20 13:32:36,692 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:32:36,692 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions.
[2024-09-20 13:32:36,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-09-20 13:32:36,692 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:32:36,692 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:32:36,692 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-20 13:32:36,693 INFO  L399      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-20 13:32:36,693 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:32:36,693 INFO  L85        PathProgramCache]: Analyzing trace with hash -1833608506, now seen corresponding path program 1 times
[2024-09-20 13:32:36,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:32:36,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925647672]
[2024-09-20 13:32:36,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:32:36,693 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:32:36,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:32:36,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:32:36,865 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:32:36,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925647672]
[2024-09-20 13:32:36,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925647672] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:32:36,866 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:32:36,866 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-09-20 13:32:36,867 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102630097]
[2024-09-20 13:32:36,867 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:32:36,868 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-09-20 13:32:36,868 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:32:36,868 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-09-20 13:32:36,868 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-09-20 13:32:36,868 INFO  L87              Difference]: Start difference. First operand 14 states and 13 transitions. Second operand  has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:32:36,893 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:32:36,893 INFO  L93              Difference]: Finished difference Result 12 states and 11 transitions.
[2024-09-20 13:32:36,893 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-09-20 13:32:36,894 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 8
[2024-09-20 13:32:36,894 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:32:36,894 INFO  L225             Difference]: With dead ends: 12
[2024-09-20 13:32:36,894 INFO  L226             Difference]: Without dead ends: 11
[2024-09-20 13:32:36,894 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-09-20 13:32:36,895 INFO  L434           NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:32:36,895 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:32:36,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2024-09-20 13:32:36,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2024-09-20 13:32:36,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 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)
[2024-09-20 13:32:36,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions.
[2024-09-20 13:32:36,897 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 8
[2024-09-20 13:32:36,898 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:32:36,898 INFO  L474      AbstractCegarLoop]: Abstraction has 11 states and 10 transitions.
[2024-09-20 13:32:36,898 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:32:36,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions.
[2024-09-20 13:32:36,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-09-20 13:32:36,899 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:32:36,899 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:32:36,900 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-09-20 13:32:36,900 INFO  L399      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION] ===
[2024-09-20 13:32:36,900 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:32:36,900 INFO  L85        PathProgramCache]: Analyzing trace with hash -1161180760, now seen corresponding path program 1 times
[2024-09-20 13:32:36,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:32:36,901 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252352153]
[2024-09-20 13:32:36,901 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:32:36,901 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:32:36,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:32:36,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:32:36,938 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:32:36,938 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252352153]
[2024-09-20 13:32:36,939 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252352153] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:32:36,939 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:32:36,939 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-20 13:32:36,939 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824580822]
[2024-09-20 13:32:36,941 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:32:36,941 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-20 13:32:36,942 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:32:36,942 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-20 13:32:36,943 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:32:36,943 INFO  L87              Difference]: Start difference. First operand 11 states and 10 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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)
[2024-09-20 13:32:36,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:32:36,947 INFO  L93              Difference]: Finished difference Result 9 states and 8 transitions.
[2024-09-20 13:32:36,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-20 13:32:36,947 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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
[2024-09-20 13:32:36,948 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:32:36,948 INFO  L225             Difference]: With dead ends: 9
[2024-09-20 13:32:36,948 INFO  L226             Difference]: Without dead ends: 0
[2024-09-20 13:32:36,949 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:32:36,950 INFO  L434           NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 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
[2024-09-20 13:32:36,950 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:32:36,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-20 13:32:36,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-20 13:32:36,952 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:32:36,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-20 13:32:36,953 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2024-09-20 13:32:36,953 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:32:36,953 INFO  L474      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-20 13:32:36,953 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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)
[2024-09-20 13:32:36,954 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-20 13:32:36,955 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-20 13:32:36,957 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONPRE_CONDITION (2 of 3 remaining)
[2024-09-20 13:32:36,958 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2024-09-20 13:32:36,958 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONPOST_CONDITION (0 of 3 remaining)
[2024-09-20 13:32:36,958 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-09-20 13:32:36,960 INFO  L408         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-09-20 13:32:36,962 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-09-20 13:32:36,966 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:32:36 BoogieIcfgContainer
[2024-09-20 13:32:36,966 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-20 13:32:36,966 INFO  L158              Benchmark]: Toolchain (without parser) took 1068.29ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 93.9MB in the end (delta: 42.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2024-09-20 13:32:36,966 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:32:36,967 INFO  L158              Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:32:36,967 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 221.02ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 122.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-20 13:32:36,967 INFO  L158              Benchmark]: Boogie Procedure Inliner took 27.12ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-20 13:32:36,967 INFO  L158              Benchmark]: Boogie Preprocessor took 22.40ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 119.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-20 13:32:36,967 INFO  L158              Benchmark]: RCFGBuilder took 227.10ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 133.3MB in the end (delta: -13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-09-20 13:32:36,968 INFO  L158              Benchmark]: TraceAbstraction took 565.85ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 93.9MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2024-09-20 13:32:36,969 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 135.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * Witness Parser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 221.02ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 122.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 27.12ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 121.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 22.40ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 119.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 227.10ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 133.3MB in the end (delta: -13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 565.85ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 93.9MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. 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
  - PositiveResult [Line: 15]: procedure precondition always holds
    For all program executions holds that procedure precondition always holds at this location
  - PositiveResult [Line: 17]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 15]: procedure postcondition always holds
    For all program executions holds that procedure postcondition always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 16 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 24 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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
  - AllSpecificationsHoldResult: All specifications hold
    3 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-20 13:32:36,990 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...