./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-8.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX --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 15e99431647d99c0494e12a0284c53fc9afdab2305ea0a3f028a529b2586072c
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:04:24,101 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:04:24,213 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 19:04:24,218 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:04:24,218 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:04:24,265 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:04:24,266 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:04:24,266 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:04:24,268 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:04:24,271 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 19:04:24,271 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:04:24,272 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:04:24,272 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:04:24,273 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 19:04:24,273 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 19:04:24,277 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:04:24,278 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:04:24,278 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 19:04:24,279 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 19:04:24,279 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 19:04:24,279 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 19:04:24,282 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:04:24,282 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:04:24,282 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:04:24,283 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 19:04:24,283 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 19:04:24,283 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 19:04:24,283 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 19:04:24,284 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:04:24,284 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 19:04:24,284 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:04:24,285 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 19:04:24,285 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:04:24,285 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:04:24,286 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:04:24,286 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:04:24,287 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 19:04:24,287 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:04:24,287 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:04:24,288 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:04:24,288 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:04:24,289 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:04:24,289 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX
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 -> 15e99431647d99c0494e12a0284c53fc9afdab2305ea0a3f028a529b2586072c
[2024-11-08 19:04:24,569 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:04:24,597 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:04:24,600 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:04:24,601 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 19:04:24,601 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 19:04:24,603 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-8.i
Unable to find full path for "g++"
[2024-11-08 19:04:26,686 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:04:26,911 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 19:04:26,912 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-8.i
[2024-11-08 19:04:26,920 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/data/5c107a109/911891ca7835483bb1577276909ed28c/FLAGe4a7f4548
[2024-11-08 19:04:26,936 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/data/5c107a109/911891ca7835483bb1577276909ed28c
[2024-11-08 19:04:26,939 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:04:26,940 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:04:26,942 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:04:26,942 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:04:26,947 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:04:26,948 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:26" (1/1) ...
[2024-11-08 19:04:26,949 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac92487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:26, skipping insertion in model container
[2024-11-08 19:04:26,949 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:04:26" (1/1) ...
[2024-11-08 19:04:26,971 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:04:27,202 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-8.i[914,927]
[2024-11-08 19:04:27,234 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:04:27,251 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 19:04:27,262 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-8.i[914,927]
[2024-11-08 19:04:27,273 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:04:27,291 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 19:04:27,291 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27 WrapperNode
[2024-11-08 19:04:27,291 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:04:27,293 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:04:27,293 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:04:27,293 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:04:27,301 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,315 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,340 INFO  L138                Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 61
[2024-11-08 19:04:27,340 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:04:27,341 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:04:27,342 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:04:27,342 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:04:27,355 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,355 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,357 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,379 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].
[2024-11-08 19:04:27,379 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,379 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,389 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,396 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,397 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,398 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,404 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:04:27,405 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:04:27,405 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:04:27,406 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:04:27,407 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (1/1) ...
[2024-11-08 19:04:27,419 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:04:27,433 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:04:27,448 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:04:27,455 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:04:27,485 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:04:27,485 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 19:04:27,485 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 19:04:27,487 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:04:27,487 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:04:27,488 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:04:27,574 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 19:04:27,578 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:04:27,822 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-08 19:04:27,824 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 19:04:27,841 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:04:27,843 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 19:04:27,844 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:27 BoogieIcfgContainer
[2024-11-08 19:04:27,844 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:04:27,847 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:04:27,848 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:04:27,852 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:04:27,852 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:04:26" (1/3) ...
[2024-11-08 19:04:27,854 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19040449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:27, skipping insertion in model container
[2024-11-08 19:04:27,854 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:04:27" (2/3) ...
[2024-11-08 19:04:27,855 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19040449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:04:27, skipping insertion in model container
[2024-11-08 19:04:27,855 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:27" (3/3) ...
[2024-11-08 19:04:27,857 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-8.i
[2024-11-08 19:04:27,878 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:04:27,879 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 19:04:27,965 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:04:27,972 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;@5be686eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:04:27,972 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 19:04:27,977 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-08 19:04:27,991 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-08 19:04:27,992 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 19:04:27,992 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:04:27,994 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:04:28,001 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:04:28,001 INFO  L85        PathProgramCache]: Analyzing trace with hash -153541999, now seen corresponding path program 1 times
[2024-11-08 19:04:28,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:04:28,014 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797262686]
[2024-11-08 19:04:28,015 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:04:28,030 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:04:28,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:28,298 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 19:04:28,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:28,306 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 19:04:28,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:28,314 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 19:04:28,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:28,320 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 19:04:28,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:28,329 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 19:04:28,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:28,335 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 19:04:28,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:28,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-08 19:04:28,343 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:04:28,344 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797262686]
[2024-11-08 19:04:28,345 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797262686] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:04:28,345 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:04:28,345 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:04:28,347 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786359277]
[2024-11-08 19:04:28,347 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:04:28,352 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 19:04:28,352 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:04:28,391 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 19:04:28,392 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 19:04:28,394 INFO  L87              Difference]: Start difference. First operand  has 29 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand  has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 19:04:28,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:04:28,421 INFO  L93              Difference]: Finished difference Result 51 states and 76 transitions.
[2024-11-08 19:04:28,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-08 19:04:28,425 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43
[2024-11-08 19:04:28,425 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:04:28,433 INFO  L225             Difference]: With dead ends: 51
[2024-11-08 19:04:28,433 INFO  L226             Difference]: Without dead ends: 25
[2024-11-08 19:04:28,438 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 19:04:28,444 INFO  L432           NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:04:28,446 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 19:04:28,465 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-08 19:04:28,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-08 19:04:28,484 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-08 19:04:28,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions.
[2024-11-08 19:04:28,489 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 43
[2024-11-08 19:04:28,491 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:04:28,491 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 31 transitions.
[2024-11-08 19:04:28,492 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 19:04:28,493 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions.
[2024-11-08 19:04:28,495 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-08 19:04:28,497 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 19:04:28,497 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:04:28,497 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:04:28,498 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 19:04:28,499 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:04:28,501 INFO  L85        PathProgramCache]: Analyzing trace with hash -854467631, now seen corresponding path program 1 times
[2024-11-08 19:04:28,502 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:04:28,502 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600398133]
[2024-11-08 19:04:28,502 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:04:28,503 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:04:28,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:29,975 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 19:04:29,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:29,985 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 19:04:29,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:29,993 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 19:04:29,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:29,999 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 19:04:30,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:30,004 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 19:04:30,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:30,014 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 19:04:30,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:04:30,021 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-08 19:04:30,021 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:04:30,022 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600398133]
[2024-11-08 19:04:30,023 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600398133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:04:30,023 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:04:30,024 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 19:04:30,024 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805956392]
[2024-11-08 19:04:30,025 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:04:30,026 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:04:30,026 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:04:30,027 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:04:30,028 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 19:04:30,029 INFO  L87              Difference]: Start difference. First operand 25 states and 31 transitions. Second operand  has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-08 19:04:30,230 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:04:30,231 INFO  L93              Difference]: Finished difference Result 34 states and 41 transitions.
[2024-11-08 19:04:30,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-08 19:04:30,232 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43
[2024-11-08 19:04:30,232 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:04:30,233 INFO  L225             Difference]: With dead ends: 34
[2024-11-08 19:04:30,233 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 19:04:30,234 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-11-08 19:04:30,235 INFO  L432           NwaCegarLoop]: 34 mSDtfsCounter, 19 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:04:30,236 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 120 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:04:30,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 19:04:30,237 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 19:04:30,238 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)
[2024-11-08 19:04:30,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 19:04:30,238 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43
[2024-11-08 19:04:30,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:04:30,239 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 19:04:30,239 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-08 19:04:30,239 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 19:04:30,240 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 19:04:30,242 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 19:04:30,243 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:04:30,247 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-08 19:04:30,250 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 19:04:30,289 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 19:04:30,312 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:04:30 BoogieIcfgContainer
[2024-11-08 19:04:30,315 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 19:04:30,317 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 19:04:30,318 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 19:04:30,318 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 19:04:30,319 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:04:27" (3/4) ...
[2024-11-08 19:04:30,322 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 19:04:30,329 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-08 19:04:30,334 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-08 19:04:30,334 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 19:04:30,335 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 19:04:30,336 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 19:04:30,448 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 19:04:30,449 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 19:04:30,449 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 19:04:30,450 INFO  L158              Benchmark]: Toolchain (without parser) took 3509.69ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 72.6MB in the beginning and 67.6MB in the end (delta: 5.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB.
[2024-11-08 19:04:30,450 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:04:30,450 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 349.85ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 72.3MB in the beginning and 124.4MB in the end (delta: -52.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB.
[2024-11-08 19:04:30,451 INFO  L158              Benchmark]: Boogie Procedure Inliner took 48.19ms. Allocated memory is still 159.4MB. Free memory was 124.4MB in the beginning and 123.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:04:30,451 INFO  L158              Benchmark]: Boogie Preprocessor took 63.28ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:04:30,451 INFO  L158              Benchmark]: RCFGBuilder took 438.73ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 107.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 19:04:30,452 INFO  L158              Benchmark]: TraceAbstraction took 2469.43ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 107.6MB in the beginning and 72.8MB in the end (delta: 34.8MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB.
[2024-11-08 19:04:30,452 INFO  L158              Benchmark]: Witness Printer took 132.26ms. Allocated memory is still 192.9MB. Free memory was 72.8MB in the beginning and 67.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 19:04:30,458 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 132.1MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 349.85ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 72.3MB in the beginning and 124.4MB in the end (delta: -52.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 48.19ms. Allocated memory is still 159.4MB. Free memory was 124.4MB in the beginning and 123.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 63.28ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 438.73ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 107.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2469.43ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 107.6MB in the beginning and 72.8MB in the end (delta: 34.8MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB.
 * Witness Printer took 132.26ms. Allocated memory is still 192.9MB. Free memory was 72.8MB in the beginning and 67.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 19]: 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 2 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 65 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 1.5s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 120/120 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
  - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not
    Derived contract for procedure assume_abort_if_not. Ensures: ((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11)))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 19:04:30,488 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe58f60-2f07-4716-8ec7-063b14a9bcef/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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