This is Ultimate 0.2.4-dev-1d5fa63-m
[2024-09-13 10:08:17,212 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-13 10:08:17,267 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-13 10:08:17,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-13 10:08:17,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-13 10:08:17,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-13 10:08:17,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-13 10:08:17,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-13 10:08:17,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-13 10:08:17,298 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-13 10:08:17,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-13 10:08:17,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-13 10:08:17,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-13 10:08:17,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-13 10:08:17,301 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-13 10:08:17,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-13 10:08:17,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-13 10:08:17,302 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-13 10:08:17,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-13 10:08:17,303 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-13 10:08:17,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-13 10:08:17,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-13 10:08:17,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-13 10:08:17,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-13 10:08:17,307 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-13 10:08:17,307 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-13 10:08:17,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-13 10:08:17,308 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-13 10:08:17,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-13 10:08:17,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-13 10:08:17,309 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-13 10:08:17,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-13 10:08:17,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-13 10:08:17,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 10:08:17,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-13 10:08:17,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-13 10:08:17,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-13 10:08:17,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-13 10:08:17,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-13 10:08:17,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-13 10:08:17,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-13 10:08:17,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-13 10:08:17,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-13 10:08:17,312 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/referee/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-13 10:08:17,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-13 10:08:17,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-13 10:08:17,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-13 10:08:17,557 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-13 10:08:17,558 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-13 10:08:17,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_1.yml/witness-2.1.yml
[2024-09-13 10:08:17,628 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-13 10:08:17,628 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-13 10:08:17,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_1.c
[2024-09-13 10:08:18,984 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-13 10:08:19,137 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-13 10:08:19,137 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c
[2024-09-13 10:08:19,143 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3b2fe9c31/f6143f7bee0443f4934d9e341b1adb5e/FLAG34809836a
[2024-09-13 10:08:19,155 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3b2fe9c31/f6143f7bee0443f4934d9e341b1adb5e
[2024-09-13 10:08:19,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-13 10:08:19,156 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-13 10:08:19,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-13 10:08:19,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-13 10:08:19,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-13 10:08:19,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:17" (1/2) ...
[2024-09-13 10:08:19,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af1c0af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19, skipping insertion in model container
[2024-09-13 10:08:19,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:17" (1/2) ...
[2024-09-13 10:08:19,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b9f6dfc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:19, skipping insertion in model container
[2024-09-13 10:08:19,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:19" (2/2) ...
[2024-09-13 10:08:19,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af1c0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19, skipping insertion in model container
[2024-09-13 10:08:19,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:19" (2/2) ...
[2024-09-13 10:08:19,174 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-13 10:08:19,176 INFO L1541 ArrayList]: Loop invariant at [L19-L21] (a < 7)
[2024-09-13 10:08:19,191 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-13 10:08:19,325 WARN L247 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-simple/nested_1.c[676,689]
[2024-09-13 10:08:19,334 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-13 10:08:19,343 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Local
[2024-09-13 10:08:19,377 WARN L247 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-simple/nested_1.c[676,689]
[2024-09-13 10:08:19,377 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-13 10:08:19,394 INFO L204 MainTranslator]: Completed translation
[2024-09-13 10:08:19,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19 WrapperNode
[2024-09-13 10:08:19,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-13 10:08:19,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-13 10:08:19,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-13 10:08:19,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-13 10:08:19,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,436 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].
[2024-09-13 10:08:19,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-13 10:08:19,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-13 10:08:19,444 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-13 10:08:19,444 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-13 10:08:19,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (1/1) ...
[2024-09-13 10:08:19,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 10:08:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-13 10:08:19,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-13 10:08:19,512 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-13 10:08:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-13 10:08:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-13 10:08:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-13 10:08:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-13 10:08:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-13 10:08:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-13 10:08:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-13 10:08:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-13 10:08:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-13 10:08:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-13 10:08:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-13 10:08:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-09-13 10:08:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-09-13 10:08:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-13 10:08:19,597 INFO L242 CfgBuilder]: Building ICFG
[2024-09-13 10:08:19,613 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-13 10:08:19,721 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-13 10:08:19,746 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-13 10:08:19,748 INFO L318 CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-13 10:08:19,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:19 BoogieIcfgContainer
[2024-09-13 10:08:19,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-13 10:08:19,750 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-13 10:08:19,750 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-13 10:08:19,751 INFO L274 PluginConnector]: Referee initialized
[2024-09-13 10:08:19,751 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:17" (1/4) ...
[2024-09-13 10:08:19,752 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f8b9940 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:19, skipping insertion in model container
[2024-09-13 10:08:19,753 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:19" (2/4) ...
[2024-09-13 10:08:19,753 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f8b9940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:19, skipping insertion in model container
[2024-09-13 10:08:19,753 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:19" (3/4) ...
[2024-09-13 10:08:19,753 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f8b9940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:19, skipping insertion in model container
[2024-09-13 10:08:19,753 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:19" (4/4) ...
[2024-09-13 10:08:19,754 INFO L79 RefereeObserver]: Analyzing ICFG nested_1.c
[2024-09-13 10:08:19,757 INFO L112 InvariantChecker]: Found 1 loops.
[2024-09-13 10:08:19,758 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges.
[2024-09-13 10:08:19,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges.
[2024-09-13 10:08:19,759 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges.
[2024-09-13 10:08:19,759 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head
[2024-09-13 10:08:19,792 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-13 10:08:19,794 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-13 10:08:19,795 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:08:19,795 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:08:19,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:08:19,798 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:08:19,811 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-13 10:08:19,814 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:08:19,814 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:08:19,815 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:08:19,815 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-13 10:08:19,816 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:08:19,832 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-13 10:08:19,840 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges
[2024-09-13 10:08:19,840 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-13 10:08:19,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:08:19,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:08:19,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:08:19,841 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:08:19,842 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding
[2024-09-13 10:08:19,845 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:08:19,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:08:19,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:08:19,847 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-13 10:08:19,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:08:19,856 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-13 10:08:19,864 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-13 10:08:19,864 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-13 10:08:19,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 10:08:19,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 10:08:19,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 10:08:19,864 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:08:19,871 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding
[2024-09-13 10:08:19,874 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 10:08:19,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 10:08:19,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 10:08:19,874 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-13 10:08:19,878 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-13 10:08:19,882 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-4 to error location mainErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive.
[2024-09-13 10:08:19,886 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness.
[2024-09-13 10:08:19,887 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f8b9940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:19, skipping insertion in model container
[2024-09-13 10:08:19,887 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-13 10:08:19,888 INFO L158 Benchmark]: Toolchain (without parser) took 731.15ms. Allocated memory is still 176.2MB. Free memory was 103.5MB in the beginning and 134.3MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 10:08:19,888 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 10:08:19,889 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 176.2MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 10:08:19,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.15ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 90.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-13 10:08:19,890 INFO L158 Benchmark]: Boogie Preprocessor took 47.04ms. Allocated memory is still 176.2MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-13 10:08:19,890 INFO L158 Benchmark]: RCFGBuilder took 304.55ms. Allocated memory is still 176.2MB. Free memory was 88.8MB in the beginning and 141.5MB in the end (delta: -52.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB.
[2024-09-13 10:08:19,890 INFO L158 Benchmark]: Referee took 137.11ms. Allocated memory is still 176.2MB. Free memory was 141.5MB in the beginning and 134.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-09-13 10:08:19,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- AnnotationCheckResult: Annotation is a valid proof of correctness.
Annotation is a valid proof of correctness.
Annotation is valid for all loop-free paths from loop head at line 19 to loop head at line 19.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 19.
Annotation is valid for all loop-free paths from loop head at line 19 to check that a call to reach_error is unreachable at line 23.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.07ms. Allocated memory is still 176.2MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 236.15ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 90.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 47.04ms. Allocated memory is still 176.2MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 304.55ms. Allocated memory is still 176.2MB. Free memory was 88.8MB in the beginning and 141.5MB in the end (delta: -52.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB.
* Referee took 137.11ms. Allocated memory is still 176.2MB. Free memory was 141.5MB in the beginning and 134.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-13 10:08:19,915 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...