./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version a046e57d
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72afb7e2fef67e92af6cd96223794441a1933610ae2e28bcd8b3509d9f7d2eed
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m
[2024-10-12 18:15:48,536 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-12 18:15:48,612 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-10-12 18:15:48,618 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-12 18:15:48,619 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-12 18:15:48,652 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-12 18:15:48,652 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-12 18:15:48,653 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-12 18:15:48,653 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-12 18:15:48,654 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-12 18:15:48,654 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-12 18:15:48,655 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-12 18:15:48,655 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-12 18:15:48,657 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-12 18:15:48,657 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-12 18:15:48,658 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-12 18:15:48,658 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-12 18:15:48,658 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-12 18:15:48,659 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-12 18:15:48,659 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-12 18:15:48,659 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-12 18:15:48,660 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-12 18:15:48,660 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-12 18:15:48,661 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-12 18:15:48,661 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-12 18:15:48,661 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-12 18:15:48,663 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-12 18:15:48,663 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-12 18:15:48,664 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-12 18:15:48,664 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-12 18:15:48,664 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-12 18:15:48,665 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-12 18:15:48,665 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-12 18:15:48,665 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-12 18:15:48,666 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-12 18:15:48,666 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-12 18:15:48,666 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-12 18:15:48,666 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-12 18:15:48,667 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-12 18:15:48,667 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-12 18:15:48,670 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-12 18:15:48,670 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-12 18:15:48,671 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72afb7e2fef67e92af6cd96223794441a1933610ae2e28bcd8b3509d9f7d2eed
[2024-10-12 18:15:48,966 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-12 18:15:48,993 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-12 18:15:48,997 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-12 18:15:48,998 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-12 18:15:48,998 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-12 18:15:49,000 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c
[2024-10-12 18:15:50,536 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-12 18:15:50,729 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-12 18:15:50,730 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c
[2024-10-12 18:15:50,736 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0f6cc5b9/669c4f7a347647d5bbed3f3b4706c3a7/FLAGc86997696
[2024-10-12 18:15:51,117 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0f6cc5b9/669c4f7a347647d5bbed3f3b4706c3a7
[2024-10-12 18:15:51,120 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-12 18:15:51,121 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-12 18:15:51,122 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-12 18:15:51,122 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-12 18:15:51,127 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-12 18:15:51,128 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,129 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46351de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51, skipping insertion in model container
[2024-10-12 18:15:51,129 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,151 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-12 18:15:51,322 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c[715,728]
[2024-10-12 18:15:51,326 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-12 18:15:51,337 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-12 18:15:51,351 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test10.c[715,728]
[2024-10-12 18:15:51,352 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-12 18:15:51,367 INFO  L204         MainTranslator]: Completed translation
[2024-10-12 18:15:51,367 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51 WrapperNode
[2024-10-12 18:15:51,368 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-12 18:15:51,369 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-12 18:15:51,369 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-12 18:15:51,369 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-12 18:15:51,377 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,387 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,407 INFO  L138                Inliner]: procedures = 16, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79
[2024-10-12 18:15:51,408 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-12 18:15:51,408 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-12 18:15:51,408 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-12 18:15:51,409 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-12 18:15:51,416 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,417 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,419 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,434 INFO  L175           MemorySlicer]: Split 23 memory accesses to 3 slices as follows [2, 13, 8]. 57 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 2, 2]. The 11 writes are split as follows [0, 8, 3].
[2024-10-12 18:15:51,434 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,435 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,440 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,443 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,444 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,445 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,448 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-12 18:15:51,449 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-12 18:15:51,449 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-12 18:15:51,449 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-12 18:15:51,450 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (1/1) ...
[2024-10-12 18:15:51,457 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-12 18:15:51,470 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-12 18:15:51,489 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-12 18:15:51,496 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-12 18:15:51,544 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-10-12 18:15:51,545 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-10-12 18:15:51,545 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-10-12 18:15:51,545 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-10-12 18:15:51,545 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-10-12 18:15:51,545 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-10-12 18:15:51,546 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-12 18:15:51,546 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-12 18:15:51,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-10-12 18:15:51,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-10-12 18:15:51,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-12 18:15:51,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-10-12 18:15:51,548 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-10-12 18:15:51,670 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-12 18:15:51,672 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-12 18:15:51,893 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-10-12 18:15:51,893 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-12 18:15:51,978 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-12 18:15:51,980 INFO  L314             CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-12 18:15:51,980 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:15:51 BoogieIcfgContainer
[2024-10-12 18:15:51,980 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-12 18:15:51,983 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-12 18:15:51,984 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-12 18:15:51,988 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-12 18:15:51,988 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:15:51" (1/3) ...
[2024-10-12 18:15:51,989 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acc2fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:15:51, skipping insertion in model container
[2024-10-12 18:15:51,989 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:15:51" (2/3) ...
[2024-10-12 18:15:51,989 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3acc2fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:15:51, skipping insertion in model container
[2024-10-12 18:15:51,990 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:15:51" (3/3) ...
[2024-10-12 18:15:51,991 INFO  L112   eAbstractionObserver]: Analyzing ICFG test10.c
[2024-10-12 18:15:52,008 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-12 18:15:52,008 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-12 18:15:52,073 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-12 18:15:52,080 INFO  L333      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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38c0de2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-12 18:15:52,080 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-12 18:15:52,084 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 18:15:52,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-10-12 18:15:52,088 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-12 18:15:52,088 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-10-12 18:15:52,089 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-12 18:15:52,093 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-12 18:15:52,093 INFO  L85        PathProgramCache]: Analyzing trace with hash 1645652, now seen corresponding path program 1 times
[2024-10-12 18:15:52,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-12 18:15:52,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063011180]
[2024-10-12 18:15:52,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 18:15:52,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-12 18:15:52,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 18:15:52,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-12 18:15:52,935 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-12 18:15:52,936 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063011180]
[2024-10-12 18:15:52,937 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063011180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-12 18:15:52,938 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-12 18:15:52,938 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-12 18:15:52,940 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053895564]
[2024-10-12 18:15:52,941 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-12 18:15:52,945 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-12 18:15:52,947 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-12 18:15:52,973 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-12 18:15:52,973 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-12 18:15:52,976 INFO  L87              Difference]: Start difference. First operand  has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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)
[2024-10-12 18:15:53,217 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-12 18:15:53,218 INFO  L93              Difference]: Finished difference Result 12 states and 13 transitions.
[2024-10-12 18:15:53,219 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-12 18:15:53,221 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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
[2024-10-12 18:15:53,221 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-12 18:15:53,226 INFO  L225             Difference]: With dead ends: 12
[2024-10-12 18:15:53,226 INFO  L226             Difference]: Without dead ends: 5
[2024-10-12 18:15:53,229 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-12 18:15:53,233 INFO  L432           NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-12 18:15:53,234 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-12 18:15:53,248 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5 states.
[2024-10-12 18:15:53,257 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5.
[2024-10-12 18:15:53,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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)
[2024-10-12 18:15:53,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions.
[2024-10-12 18:15:53,261 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 4
[2024-10-12 18:15:53,261 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-12 18:15:53,261 INFO  L471      AbstractCegarLoop]: Abstraction has 5 states and 4 transitions.
[2024-10-12 18:15:53,262 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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)
[2024-10-12 18:15:53,262 INFO  L276                IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions.
[2024-10-12 18:15:53,262 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-10-12 18:15:53,262 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-12 18:15:53,263 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-10-12 18:15:53,263 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-12 18:15:53,263 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-12 18:15:53,264 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-12 18:15:53,264 INFO  L85        PathProgramCache]: Analyzing trace with hash 1647574, now seen corresponding path program 1 times
[2024-10-12 18:15:53,264 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-12 18:15:53,265 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536997107]
[2024-10-12 18:15:53,265 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 18:15:53,265 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-12 18:15:53,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 18:15:53,590 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-12 18:15:53,591 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-12 18:15:53,591 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536997107]
[2024-10-12 18:15:53,591 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536997107] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-12 18:15:53,591 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-12 18:15:53,591 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-12 18:15:53,591 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503269851]
[2024-10-12 18:15:53,591 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-12 18:15:53,592 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-12 18:15:53,592 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-12 18:15:53,593 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-12 18:15:53,604 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-12 18:15:53,604 INFO  L87              Difference]: Start difference. First operand 5 states and 4 transitions. Second operand  has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-10-12 18:15:53,886 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-12 18:15:53,886 INFO  L93              Difference]: Finished difference Result 5 states and 4 transitions.
[2024-10-12 18:15:53,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-12 18:15:53,887 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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
[2024-10-12 18:15:53,887 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-12 18:15:53,888 INFO  L225             Difference]: With dead ends: 5
[2024-10-12 18:15:53,888 INFO  L226             Difference]: Without dead ends: 0
[2024-10-12 18:15:53,889 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-10-12 18:15:53,890 INFO  L432           NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-10-12 18:15:53,890 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-10-12 18:15:53,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-10-12 18:15:53,891 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-10-12 18:15:53,893 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)
[2024-10-12 18:15:53,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-10-12 18:15:53,893 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4
[2024-10-12 18:15:53,893 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-12 18:15:53,893 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-10-12 18:15:53,894 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-10-12 18:15:53,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-10-12 18:15:53,894 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-10-12 18:15:53,897 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-10-12 18:15:53,898 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-12 18:15:53,902 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-10-12 18:15:53,905 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-10-12 18:15:53,911 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-12 18:15:53,919 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:15:53 BoogieIcfgContainer
[2024-10-12 18:15:53,920 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-12 18:15:53,922 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-12 18:15:53,922 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-12 18:15:53,922 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-12 18:15:53,923 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:15:51" (3/4) ...
[2024-10-12 18:15:53,925 INFO  L139         WitnessPrinter]: Generating witness for correct program
[2024-10-12 18:15:53,933 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-10-12 18:15:53,933 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-10-12 18:15:53,933 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-10-12 18:15:53,933 INFO  L904   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-10-12 18:15:54,031 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-10-12 18:15:54,032 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-10-12 18:15:54,032 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-12 18:15:54,034 INFO  L158              Benchmark]: Toolchain (without parser) took 2912.06ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 120.2MB in the beginning and 236.2MB in the end (delta: -116.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-12 18:15:54,035 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-12 18:15:54,035 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 246.28ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 106.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-10-12 18:15:54,035 INFO  L158              Benchmark]: Boogie Procedure Inliner took 39.02ms. Allocated memory is still 176.2MB. Free memory was 106.9MB in the beginning and 105.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-12 18:15:54,035 INFO  L158              Benchmark]: Boogie Preprocessor took 39.83ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 103.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-12 18:15:54,036 INFO  L158              Benchmark]: RCFGBuilder took 531.58ms. Allocated memory is still 176.2MB. Free memory was 103.1MB in the beginning and 84.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-10-12 18:15:54,036 INFO  L158              Benchmark]: TraceAbstraction took 1936.45ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 83.8MB in the beginning and 241.4MB in the end (delta: -157.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-12 18:15:54,036 INFO  L158              Benchmark]: Witness Printer took 110.61ms. Allocated memory is still 276.8MB. Free memory was 240.4MB in the beginning and 236.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-12 18:15:54,039 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 246.28ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 106.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 39.02ms. Allocated memory is still 176.2MB. Free memory was 106.9MB in the beginning and 105.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 39.83ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 103.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 531.58ms. Allocated memory is still 176.2MB. Free memory was 103.1MB in the beginning and 84.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1936.45ms. Allocated memory was 176.2MB in the beginning and 276.8MB in the end (delta: 100.7MB). Free memory was 83.8MB in the beginning and 241.4MB in the end (delta: -157.6MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 110.61ms. Allocated memory is still 276.8MB. Free memory was 240.4MB in the beginning and 236.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 49]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-10-12 18:15:54,071 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE