This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m
[2024-09-20 13:30:12,865 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-09-20 13:30:12,935 INFO  L114        SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-09-20 13:30:12,940 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-09-20 13:30:12,940 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-20 13:30:12,965 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-20 13:30:12,966 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-20 13:30:12,966 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-20 13:30:12,966 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-20 13:30:12,967 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-09-20 13:30:12,967 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-20 13:30:12,968 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-20 13:30:12,969 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-20 13:30:12,970 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-09-20 13:30:12,970 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-09-20 13:30:12,971 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-20 13:30:12,972 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-09-20 13:30:12,972 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-09-20 13:30:12,973 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-09-20 13:30:12,973 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-09-20 13:30:12,973 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-09-20 13:30:12,976 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-09-20 13:30:12,977 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-20 13:30:12,977 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-09-20 13:30:12,977 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-09-20 13:30:12,977 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-09-20 13:30:12,977 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-09-20 13:30:12,977 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-09-20 13:30:12,978 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-20 13:30:12,978 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-09-20 13:30:12,978 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-09-20 13:30:12,978 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-09-20 13:30:12,978 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:30:12,978 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-20 13:30:12,979 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-09-20 13:30:12,979 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-20 13:30:12,979 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-09-20 13:30:12,979 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-20 13:30:12,979 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-20 13:30:12,979 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-20 13:30:12,979 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-09-20 13:30:12,981 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-20 13:30:12,982 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-20 13:30:13,206 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-20 13:30:13,229 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-20 13:30:13,231 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-20 13:30:13,233 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-09-20 13:30:13,233 INFO  L274        PluginConnector]: CDTParser initialized
[2024-09-20 13:30:13,234 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-acceleration/array_3-1.i
[2024-09-20 13:30:14,547 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-09-20 13:30:14,690 INFO  L384              CDTParser]: Found 1 translation units.
[2024-09-20 13:30:14,690 INFO  L180              CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/array_3-1.i
[2024-09-20 13:30:14,695 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/6844936b5/47188d5c459a44029f5c12c027a9b540/FLAGcead30dec
[2024-09-20 13:30:15,105 INFO  L435              CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/6844936b5/47188d5c459a44029f5c12c027a9b540
[2024-09-20 13:30:15,107 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-09-20 13:30:15,109 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-09-20 13:30:15,110 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../results/automizer-verification-files/SV-COMP24_unreach-call/array_3-1.yml/witness-2.1.yml
[2024-09-20 13:30:15,154 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-20 13:30:15,156 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-20 13:30:15,157 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-20 13:30:15,157 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-20 13:30:15,161 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-20 13:30:15,162 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:15" (1/2) ...
[2024-09-20 13:30:15,163 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba088af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:15, skipping insertion in model container
[2024-09-20 13:30:15,163 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:15" (1/2) ...
[2024-09-20 13:30:15,164 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6160312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:15, skipping insertion in model container
[2024-09-20 13:30:15,165 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 01:30:15" (2/2) ...
[2024-09-20 13:30:15,165 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba088af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:15, skipping insertion in model container
[2024-09-20 13:30:15,165 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 01:30:15" (2/2) ...
[2024-09-20 13:30:15,173 INFO  L93    nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-20 13:30:15,174 INFO  L1541             ArrayList]: Loop invariant at [L24-L26] (i < 1025)
[2024-09-20 13:30:15,174 INFO  L1541             ArrayList]: Loop invariant at [L28-L32] (i < 1024)
[2024-09-20 13:30:15,174 INFO  L1541             ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0)
[2024-09-20 13:30:15,189 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-09-20 13:30:15,311 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-acceleration/array_3-1.i[849,862]
[2024-09-20 13:30:15,323 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:30:15,330 INFO  L200         MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-20 13:30:15,356 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-acceleration/array_3-1.i[849,862]
Start Parsing Local
Start Parsing Local
[2024-09-20 13:30:15,375 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-09-20 13:30:15,389 INFO  L204         MainTranslator]: Completed translation
[2024-09-20 13:30:15,389 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:30:15 WrapperNode
[2024-09-20 13:30:15,389 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-20 13:30:15,390 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-20 13:30:15,390 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-20 13:30:15,390 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-20 13:30:15,395 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,401 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,425 INFO  L138                Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44
[2024-09-20 13:30:15,425 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-20 13:30:15,426 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-20 13:30:15,426 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-20 13:30:15,426 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-09-20 13:30:15,433 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,434 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,435 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,444 INFO  L175           MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-09-20 13:30:15,444 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,444 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,447 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,450 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,450 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,451 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,452 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-20 13:30:15,453 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-20 13:30:15,453 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-09-20 13:30:15,453 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-09-20 13:30:15,454 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 01:30:15" (1/1) ...
[2024-09-20 13:30:15,459 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-20 13:30:15,465 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-20 13:30:15,477 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 13:30:15,482 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 13:30:15,516 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-20 13:30:15,516 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-20 13:30:15,516 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-09-20 13:30:15,516 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-09-20 13:30:15,516 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-09-20 13:30:15,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-09-20 13:30:15,517 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-20 13:30:15,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-20 13:30:15,517 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-09-20 13:30:15,517 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-09-20 13:30:15,517 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-20 13:30:15,585 INFO  L242             CfgBuilder]: Building ICFG
[2024-09-20 13:30:15,587 INFO  L268             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-20 13:30:15,674 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-09-20 13:30:15,675 INFO  L291             CfgBuilder]: Performing block encoding
[2024-09-20 13:30:15,702 INFO  L313             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-20 13:30:15,702 INFO  L318             CfgBuilder]: Removed 2 assume(true) statements.
[2024-09-20 13:30:15,703 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:15 BoogieIcfgContainer
[2024-09-20 13:30:15,703 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-20 13:30:15,707 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-20 13:30:15,707 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-09-20 13:30:15,714 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-09-20 13:30:15,714 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:15" (1/4) ...
[2024-09-20 13:30:15,715 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23770042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:15, skipping insertion in model container
[2024-09-20 13:30:15,715 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 01:30:15" (2/4) ...
[2024-09-20 13:30:15,715 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23770042 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:30:15, skipping insertion in model container
[2024-09-20 13:30:15,715 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 01:30:15" (3/4) ...
[2024-09-20 13:30:15,715 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23770042 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.09 01:30:15, skipping insertion in model container
[2024-09-20 13:30:15,715 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 01:30:15" (4/4) ...
[2024-09-20 13:30:15,716 INFO  L112   eAbstractionObserver]: Analyzing ICFG array_3-1.i
[2024-09-20 13:30:15,733 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-20 13:30:15,733 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2024-09-20 13:30:15,766 INFO  L335      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-09-20 13:30:15,771 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;@2de5d567, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-20 13:30:15,771 INFO  L337      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-09-20 13:30:15,774 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 19 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 18 states have internal predecessors, (24), 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 13:30:15,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2024-09-20 13:30:15,779 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:15,779 INFO  L216           NwaCegarLoop]: trace histogram [1, 1]
[2024-09-20 13:30:15,780 INFO  L399      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-20 13:30:15,783 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:15,783 INFO  L85        PathProgramCache]: Analyzing trace with hash 2763, now seen corresponding path program 1 times
[2024-09-20 13:30:15,790 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:15,790 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68268968]
[2024-09-20 13:30:15,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:15,791 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:15,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:15,956 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 13:30:15,957 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:15,957 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68268968]
[2024-09-20 13:30:15,958 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68268968] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:30:15,958 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:30:15,958 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-09-20 13:30:15,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043746794]
[2024-09-20 13:30:15,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:30:15,963 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-20 13:30:15,964 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:15,984 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-20 13:30:15,985 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:30:15,987 INFO  L87              Difference]: Start difference. First operand  has 19 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 18 states have internal predecessors, (24), 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, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 13:30:16,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:16,036 INFO  L93              Difference]: Finished difference Result 26 states and 29 transitions.
[2024-09-20 13:30:16,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-20 13:30:16,039 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2
[2024-09-20 13:30:16,039 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:16,045 INFO  L225             Difference]: With dead ends: 26
[2024-09-20 13:30:16,046 INFO  L226             Difference]: Without dead ends: 25
[2024-09-20 13:30:16,047 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 13:30:16,051 INFO  L434           NwaCegarLoop]: 13 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:30:16,052 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:16,065 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-09-20 13:30:16,080 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24.
[2024-09-20 13:30:16,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 23 states have internal predecessors, (27), 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 13:30:16,082 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2024-09-20 13:30:16,084 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 2
[2024-09-20 13:30:16,084 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:16,084 INFO  L474      AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2024-09-20 13:30:16,084 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 13:30:16,085 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2024-09-20 13:30:16,085 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-09-20 13:30:16,085 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:16,085 INFO  L216           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-09-20 13:30:16,085 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-20 13:30:16,086 INFO  L399      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-20 13:30:16,086 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:16,086 INFO  L85        PathProgramCache]: Analyzing trace with hash 2658099, now seen corresponding path program 1 times
[2024-09-20 13:30:16,086 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:16,087 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758211268]
[2024-09-20 13:30:16,087 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:16,087 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:16,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:16,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:16,202 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:16,203 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758211268]
[2024-09-20 13:30:16,203 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758211268] provided 0 perfect and 1 imperfect interpolant sequences
[2024-09-20 13:30:16,203 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626633761]
[2024-09-20 13:30:16,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:16,204 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-20 13:30:16,204 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3
[2024-09-20 13:30:16,205 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-09-20 13:30:16,206 INFO  L327       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-09-20 13:30:16,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:16,247 INFO  L262         TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-09-20 13:30:16,251 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-09-20 13:30:16,297 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:16,297 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-09-20 13:30:16,323 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-20 13:30:16,323 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626633761] provided 0 perfect and 2 imperfect interpolant sequences
[2024-09-20 13:30:16,324 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-09-20 13:30:16,324 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5
[2024-09-20 13:30:16,324 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930890425]
[2024-09-20 13:30:16,325 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-09-20 13:30:16,325 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-09-20 13:30:16,325 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:16,326 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-09-20 13:30:16,326 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-09-20 13:30:16,326 INFO  L87              Difference]: Start difference. First operand 24 states and 27 transitions. Second operand  has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:16,375 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:16,376 INFO  L93              Difference]: Finished difference Result 32 states and 36 transitions.
[2024-09-20 13:30:16,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-09-20 13:30:16,376 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2024-09-20 13:30:16,377 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:16,377 INFO  L225             Difference]: With dead ends: 32
[2024-09-20 13:30:16,377 INFO  L226             Difference]: Without dead ends: 32
[2024-09-20 13:30:16,378 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-09-20 13:30:16,378 INFO  L434           NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:30:16,379 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 39 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:16,380 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-09-20 13:30:16,381 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30.
[2024-09-20 13:30:16,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 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 13:30:16,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions.
[2024-09-20 13:30:16,382 INFO  L78                 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 4
[2024-09-20 13:30:16,383 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:16,383 INFO  L474      AbstractCegarLoop]: Abstraction has 30 states and 34 transitions.
[2024-09-20 13:30:16,383 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-20 13:30:16,383 INFO  L276                IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions.
[2024-09-20 13:30:16,383 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-09-20 13:30:16,384 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:16,384 INFO  L216           NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:30:16,396 INFO  L552       MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-09-20 13:30:16,584 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-09-20 13:30:16,585 INFO  L399      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONPRE_CONDITION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-20 13:30:16,585 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:16,585 INFO  L85        PathProgramCache]: Analyzing trace with hash 1859687949, now seen corresponding path program 1 times
[2024-09-20 13:30:16,585 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:16,585 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113416563]
[2024-09-20 13:30:16,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:16,586 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:16,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:16,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-09-20 13:30:16,720 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:16,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113416563]
[2024-09-20 13:30:16,721 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113416563] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:30:16,721 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:30:16,721 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-20 13:30:16,721 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656727795]
[2024-09-20 13:30:16,721 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:30:16,721 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-20 13:30:16,721 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:16,722 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-20 13:30:16,722 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-20 13:30:16,722 INFO  L87              Difference]: Start difference. First operand 30 states and 34 transitions. Second operand  has 4 states, 3 states have (on average 3.3333333333333335) 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)
[2024-09-20 13:30:16,764 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:16,765 INFO  L93              Difference]: Finished difference Result 28 states and 32 transitions.
[2024-09-20 13:30:16,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-09-20 13:30:16,765 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.3333333333333335) 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 15
[2024-09-20 13:30:16,766 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:16,767 INFO  L225             Difference]: With dead ends: 28
[2024-09-20 13:30:16,767 INFO  L226             Difference]: Without dead ends: 27
[2024-09-20 13:30:16,769 INFO  L433           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-20 13:30:16,770 INFO  L434           NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:30:16,771 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 12 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:16,772 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-09-20 13:30:16,776 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2024-09-20 13:30:16,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 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 13:30:16,777 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions.
[2024-09-20 13:30:16,777 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 15
[2024-09-20 13:30:16,777 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:16,777 INFO  L474      AbstractCegarLoop]: Abstraction has 27 states and 31 transitions.
[2024-09-20 13:30:16,777 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) 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)
[2024-09-20 13:30:16,777 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions.
[2024-09-20 13:30:16,777 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-09-20 13:30:16,778 INFO  L208           NwaCegarLoop]: Found error trace
[2024-09-20 13:30:16,778 INFO  L216           NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-09-20 13:30:16,778 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-09-20 13:30:16,778 INFO  L399      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONPRE_CONDITION (and 2 more)] ===
[2024-09-20 13:30:16,778 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-09-20 13:30:16,778 INFO  L85        PathProgramCache]: Analyzing trace with hash 453726256, now seen corresponding path program 1 times
[2024-09-20 13:30:16,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-20 13:30:16,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295516257]
[2024-09-20 13:30:16,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-20 13:30:16,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-20 13:30:16,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-20 13:30:16,843 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-09-20 13:30:16,843 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-20 13:30:16,844 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295516257]
[2024-09-20 13:30:16,844 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295516257] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-20 13:30:16,844 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-20 13:30:16,844 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-20 13:30:16,844 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145751295]
[2024-09-20 13:30:16,844 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-20 13:30:16,845 INFO  L551      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-09-20 13:30:16,845 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-20 13:30:16,845 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-09-20 13:30:16,845 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-09-20 13:30:16,846 INFO  L87              Difference]: Start difference. First operand 27 states and 31 transitions. Second operand  has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13:30:16,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-09-20 13:30:16,855 INFO  L93              Difference]: Finished difference Result 25 states and 29 transitions.
[2024-09-20 13:30:16,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-09-20 13:30:16,856 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 17
[2024-09-20 13:30:16,856 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-09-20 13:30:16,856 INFO  L225             Difference]: With dead ends: 25
[2024-09-20 13:30:16,856 INFO  L226             Difference]: Without dead ends: 0
[2024-09-20 13:30:16,857 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 13:30:16,858 INFO  L434           NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-09-20 13:30:16,858 INFO  L435           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-09-20 13:30:16,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-09-20 13:30:16,859 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-09-20 13:30:16,859 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 13:30:16,859 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-09-20 13:30:16,859 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2024-09-20 13:30:16,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-09-20 13:30:16,859 INFO  L474      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-09-20 13:30:16,859 INFO  L475      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13:30:16,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-09-20 13:30:16,860 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-09-20 13:30:16,862 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining)
[2024-09-20 13:30:16,862 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining)
[2024-09-20 13:30:16,863 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONPRE_CONDITION (2 of 5 remaining)
[2024-09-20 13:30:16,863 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining)
[2024-09-20 13:30:16,863 INFO  L785   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONPOST_CONDITION (0 of 5 remaining)
[2024-09-20 13:30:16,863 WARN  L456      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-09-20 13:30:16,866 INFO  L408         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-09-20 13:30:16,868 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-09-20 13:30:16,871 INFO  L469   ceAbstractionStarter]: Automizer considered 2 witness invariants
[2024-09-20 13:30:16,872 INFO  L470   ceAbstractionStarter]: WitnessConsidered=2
[2024-09-20 13:30:16,873 INFO  L201        PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:16 BoogieIcfgContainer
[2024-09-20 13:30:16,873 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-20 13:30:16,874 INFO  L158              Benchmark]: Toolchain (without parser) took 1718.40ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 93.7MB in the beginning and 137.7MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:30:16,874 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:30:16,875 INFO  L158              Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-20 13:30:16,875 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 232.70ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 136.5MB in the end (delta: -43.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB.
[2024-09-20 13:30:16,875 INFO  L158              Benchmark]: Boogie Procedure Inliner took 35.71ms. Allocated memory is still 167.8MB. Free memory was 136.5MB in the beginning and 138.1MB in the end (delta: -1.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB.
[2024-09-20 13:30:16,878 INFO  L158              Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-20 13:30:16,878 INFO  L158              Benchmark]: RCFGBuilder took 250.13ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 123.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-20 13:30:16,879 INFO  L158              Benchmark]: TraceAbstraction took 1166.68ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 123.5MB in the beginning and 137.7MB in the end (delta: -14.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB.
[2024-09-20 13:30:16,880 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 121.0MB. 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 95.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 232.70ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 136.5MB in the end (delta: -43.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 35.71ms. Allocated memory is still 167.8MB. Free memory was 136.5MB in the beginning and 138.1MB in the end (delta: -1.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 26.33ms. Allocated memory is still 167.8MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 250.13ms. Allocated memory is still 167.8MB. Free memory was 136.0MB in the beginning and 123.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1166.68ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 123.5MB in the beginning and 137.7MB in the end (delta: -14.2MB). Peak memory consumption was 24.5MB. 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: 24]: invariant of correctness witness holds
    For all program executions holds that invariant of correctness witness holds at this location
  - PositiveResult [Line: 28]: invariant of correctness witness holds
    For all program executions holds that invariant of correctness witness holds at this location
  - PositiveResult [Line: 14]: procedure precondition always holds
    For all program executions holds that procedure precondition always holds at this location
  - PositiveResult [Line: 16]: 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: 14]: 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, 19 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 38 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=2, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 24/27 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
    5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-20 13:30:16,906 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...