./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-45.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/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_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/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_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/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 b04daa3a7e8844e4d56075df37e5bd4af9f49c0c48ae0d64cf929342abfd9773
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:08:04,354 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:08:04,501 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 17:08:04,510 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:08:04,514 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:08:04,543 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:08:04,544 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:08:04,545 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:08:04,546 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:08:04,546 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 17:08:04,547 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:08:04,548 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:08:04,549 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:08:04,549 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 17:08:04,550 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 17:08:04,551 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:08:04,551 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:08:04,552 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 17:08:04,552 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 17:08:04,553 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 17:08:04,553 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 17:08:04,560 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:08:04,561 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:08:04,561 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:08:04,562 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 17:08:04,562 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 17:08:04,562 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 17:08:04,563 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 17:08:04,565 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:08:04,565 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 17:08:04,565 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:08:04,566 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 17:08:04,566 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:08:04,567 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:08:04,567 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:08:04,567 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:08:04,568 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 17:08:04,570 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:08:04,571 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:08:04,571 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:08:04,571 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:08:04,572 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:08:04,572 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_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/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_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/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 -> b04daa3a7e8844e4d56075df37e5bd4af9f49c0c48ae0d64cf929342abfd9773
[2024-11-08 17:08:05,021 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:08:05,071 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:08:05,076 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:08:05,077 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 17:08:05,078 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 17:08:05,080 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-45.i
Unable to find full path for "g++"
[2024-11-08 17:08:07,646 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:08:08,034 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 17:08:08,039 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-45.i
[2024-11-08 17:08:08,067 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/data/87ceefcdb/ac17a276ceb74409b6db6e2bf78e1310/FLAG80b089730
[2024-11-08 17:08:08,288 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/data/87ceefcdb/ac17a276ceb74409b6db6e2bf78e1310
[2024-11-08 17:08:08,294 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:08:08,296 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:08:08,298 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:08:08,298 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:08:08,307 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:08:08,308 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:08,309 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d776191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08, skipping insertion in model container
[2024-11-08 17:08:08,310 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:08,357 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:08:08,611 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_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-45.i[913,926]
[2024-11-08 17:08:08,730 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:08:08,751 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 17:08:08,766 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_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-45.i[913,926]
[2024-11-08 17:08:08,803 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:08:08,832 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 17:08:08,832 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08 WrapperNode
[2024-11-08 17:08:08,833 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:08:08,834 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:08:08,834 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:08:08,834 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:08:08,843 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:08,862 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:08,937 INFO  L138                Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129
[2024-11-08 17:08:08,941 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:08:08,942 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:08:08,943 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:08:08,943 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:08:08,971 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:08,971 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:08,979 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,038 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 17:08:09,038 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,039 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,089 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,103 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,115 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,120 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,129 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:08:09,139 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:08:09,142 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:08:09,142 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:08:09,144 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (1/1) ...
[2024-11-08 17:08:09,153 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:08:09,170 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:08:09,189 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:08:09,193 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:08:09,239 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:08:09,240 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 17:08:09,241 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 17:08:09,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:08:09,242 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:08:09,242 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:08:09,393 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 17:08:09,399 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:08:09,943 INFO  L?                        ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-11-08 17:08:09,945 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 17:08:09,969 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:08:09,970 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:08:09,970 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:09 BoogieIcfgContainer
[2024-11-08 17:08:09,971 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:08:09,974 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:08:09,974 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:08:09,979 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:08:09,980 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:08:08" (1/3) ...
[2024-11-08 17:08:09,981 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fca8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:08:09, skipping insertion in model container
[2024-11-08 17:08:09,981 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:08:08" (2/3) ...
[2024-11-08 17:08:09,982 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fca8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:08:09, skipping insertion in model container
[2024-11-08 17:08:09,982 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:09" (3/3) ...
[2024-11-08 17:08:09,984 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-45.i
[2024-11-08 17:08:10,011 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:08:10,011 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:08:10,098 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:08:10,107 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;@7030929b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:08:10,108 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:08:10,114 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 17:08:10,140 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-08 17:08:10,140 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:08:10,141 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:10,142 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:10,151 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:10,152 INFO  L85        PathProgramCache]: Analyzing trace with hash -1714238256, now seen corresponding path program 1 times
[2024-11-08 17:08:10,166 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:10,167 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803941880]
[2024-11-08 17:08:10,168 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:10,168 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:10,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,596 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:08:10,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,608 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:08:10,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,618 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:08:10,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,626 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:08:10,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,634 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:08:10,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,643 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:08:10,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,653 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:08:10,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,661 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:08:10,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,672 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:08:10,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,683 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:08:10,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,692 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:08:10,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,700 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:08:10,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,714 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:08:10,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,726 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:08:10,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,744 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:08:10,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,761 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:08:10,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,776 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 17:08:10,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,791 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 17:08:10,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,798 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 17:08:10,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,806 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 17:08:10,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:10,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 17:08:10,821 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:08:10,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803941880]
[2024-11-08 17:08:10,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803941880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:08:10,824 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:08:10,825 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:08:10,827 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558947159]
[2024-11-08 17:08:10,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:08:10,837 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:08:10,839 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:08:10,880 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:08:10,881 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:08:10,885 INFO  L87              Difference]: Start difference. First operand  has 61 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-08 17:08:10,950 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:10,950 INFO  L93              Difference]: Finished difference Result 115 states and 200 transitions.
[2024-11-08 17:08:10,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-08 17:08:10,955 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 127
[2024-11-08 17:08:10,955 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:10,966 INFO  L225             Difference]: With dead ends: 115
[2024-11-08 17:08:10,966 INFO  L226             Difference]: Without dead ends: 57
[2024-11-08 17:08:10,971 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 17:08:10,977 INFO  L432           NwaCegarLoop]: 86 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, 86 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 17:08:10,979 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:08:11,012 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-08 17:08:11,045 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-11-08 17:08:11,047 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 17:08:11,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions.
[2024-11-08 17:08:11,053 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 127
[2024-11-08 17:08:11,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:11,054 INFO  L471      AbstractCegarLoop]: Abstraction has 57 states and 86 transitions.
[2024-11-08 17:08:11,054 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-08 17:08:11,055 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions.
[2024-11-08 17:08:11,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-08 17:08:11,059 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:08:11,059 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:11,060 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:08:11,060 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:11,061 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:11,062 INFO  L85        PathProgramCache]: Analyzing trace with hash -2037369648, now seen corresponding path program 1 times
[2024-11-08 17:08:11,062 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:11,063 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666569790]
[2024-11-08 17:08:11,063 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:11,063 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:11,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,384 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:08:11,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,390 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:08:11,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,396 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:08:11,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,401 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:08:11,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,410 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:08:11,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,423 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:08:11,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,431 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:08:11,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,444 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:08:11,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,457 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:08:11,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,467 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:08:11,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,480 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:08:11,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,486 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:08:11,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,495 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:08:11,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,509 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:08:11,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,518 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:08:11,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,531 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:08:11,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,541 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 17:08:11,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,551 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 17:08:11,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,557 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 17:08:11,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,566 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 17:08:11,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:08:11,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 17:08:11,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:08:11,581 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666569790]
[2024-11-08 17:08:11,581 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666569790] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:08:11,582 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:08:11,585 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:08:11,585 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876447482]
[2024-11-08 17:08:11,586 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:08:11,588 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:08:11,590 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:08:11,591 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:08:11,592 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:08:11,594 INFO  L87              Difference]: Start difference. First operand 57 states and 86 transitions. Second operand  has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:08:11,688 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:08:11,688 INFO  L93              Difference]: Finished difference Result 127 states and 191 transitions.
[2024-11-08 17:08:11,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 17:08:11,690 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127
[2024-11-08 17:08:11,691 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:08:11,693 INFO  L225             Difference]: With dead ends: 127
[2024-11-08 17:08:11,694 INFO  L226             Difference]: Without dead ends: 73
[2024-11-08 17:08:11,695 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:08:11,697 INFO  L432           NwaCegarLoop]: 91 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:08:11,698 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 163 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:08:11,700 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2024-11-08 17:08:11,716 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 64.
[2024-11-08 17:08:11,717 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 17:08:11,719 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 96 transitions.
[2024-11-08 17:08:11,723 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 96 transitions. Word has length 127
[2024-11-08 17:08:11,726 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:08:11,730 INFO  L471      AbstractCegarLoop]: Abstraction has 64 states and 96 transitions.
[2024-11-08 17:08:11,731 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:08:11,731 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions.
[2024-11-08 17:08:11,734 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-08 17:08:11,737 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:08:11,738 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:08:11,738 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:08:11,738 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:08:11,739 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:08:11,741 INFO  L85        PathProgramCache]: Analyzing trace with hash 110816797, now seen corresponding path program 1 times
[2024-11-08 17:08:11,742 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:08:11,742 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520072706]
[2024-11-08 17:08:11,742 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:08:11,743 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:08:12,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,171 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:11:20,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,176 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:11:20,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,181 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:11:20,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,184 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:11:20,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,188 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:11:20,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,191 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:11:20,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,199 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:11:20,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,202 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:11:20,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,209 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:11:20,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,215 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:11:20,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,220 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:11:20,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,227 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:11:20,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,235 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:11:20,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,241 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:11:20,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,245 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:11:20,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,249 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:11:20,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,253 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 17:11:20,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,259 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 17:11:20,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,265 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 17:11:20,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,269 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 17:11:20,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:11:20,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 17:11:20,278 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:11:20,278 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520072706]
[2024-11-08 17:11:20,280 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520072706] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:11:20,280 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:11:20,281 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-08 17:11:20,281 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793616355]
[2024-11-08 17:11:20,281 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:11:20,282 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 17:11:20,283 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:11:20,284 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 17:11:20,285 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132
[2024-11-08 17:11:20,288 INFO  L87              Difference]: Start difference. First operand 64 states and 96 transitions. Second operand  has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:11:24,107 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:11:24,107 INFO  L93              Difference]: Finished difference Result 150 states and 223 transitions.
[2024-11-08 17:11:24,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-08 17:11:24,109 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128
[2024-11-08 17:11:24,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:11:24,113 INFO  L225             Difference]: With dead ends: 150
[2024-11-08 17:11:24,113 INFO  L226             Difference]: Without dead ends: 89
[2024-11-08 17:11:24,114 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182
[2024-11-08 17:11:24,116 INFO  L432           NwaCegarLoop]: 81 mSDtfsCounter, 45 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 17:11:24,117 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 385 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 17:11:24,118 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-08 17:11:24,127 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75.
[2024-11-08 17:11:24,128 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 17:11:24,130 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions.
[2024-11-08 17:11:24,130 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 128
[2024-11-08 17:11:24,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:11:24,131 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 109 transitions.
[2024-11-08 17:11:24,132 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:11:24,132 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions.
[2024-11-08 17:11:24,135 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-08 17:11:24,135 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:11:24,135 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:11:24,135 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:11:24,136 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:11:24,136 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:11:24,136 INFO  L85        PathProgramCache]: Analyzing trace with hash -1858176130, now seen corresponding path program 1 times
[2024-11-08 17:11:24,137 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:11:24,137 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903516647]
[2024-11-08 17:11:24,137 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:11:24,137 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:11:24,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,876 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:13:30,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,881 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:13:30,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,884 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:13:30,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,887 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:13:30,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,889 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:13:30,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,893 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:13:30,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,896 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:13:30,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,899 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:13:30,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,902 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:13:30,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,905 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:13:30,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,908 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:13:30,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,911 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:13:30,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,914 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:13:30,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,917 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:13:30,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,920 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:13:30,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,924 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:13:30,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,927 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 17:13:30,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,930 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 17:13:30,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,933 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 17:13:30,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,937 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 17:13:30,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:13:30,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 17:13:30,942 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:13:30,942 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903516647]
[2024-11-08 17:13:30,943 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903516647] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:13:30,943 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:13:30,943 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-08 17:13:30,944 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283231207]
[2024-11-08 17:13:30,944 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:13:30,944 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 17:13:30,945 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:13:30,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 17:13:30,946 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2024-11-08 17:13:30,946 INFO  L87              Difference]: Start difference. First operand 75 states and 109 transitions. Second operand  has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:13:34,795 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:13:34,795 INFO  L93              Difference]: Finished difference Result 84 states and 118 transitions.
[2024-11-08 17:13:34,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-08 17:13:34,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128
[2024-11-08 17:13:34,797 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:13:34,798 INFO  L225             Difference]: With dead ends: 84
[2024-11-08 17:13:34,798 INFO  L226             Difference]: Without dead ends: 82
[2024-11-08 17:13:34,798 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156
[2024-11-08 17:13:34,799 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 25 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 17:13:34,804 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 333 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 17:13:34,805 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-08 17:13:34,820 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 75.
[2024-11-08 17:13:34,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 17:13:34,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions.
[2024-11-08 17:13:34,825 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 128
[2024-11-08 17:13:34,826 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:13:34,826 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 109 transitions.
[2024-11-08 17:13:34,826 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:13:34,826 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions.
[2024-11-08 17:13:34,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-08 17:13:34,832 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 17:13:34,832 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:13:34,832 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 17:13:34,833 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:13:34,833 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:13:34,833 INFO  L85        PathProgramCache]: Analyzing trace with hash 132420953, now seen corresponding path program 1 times
[2024-11-08 17:13:34,834 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:13:34,834 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288813156]
[2024-11-08 17:13:34,834 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:13:34,834 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:13:34,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,149 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 17:16:39,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,152 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 17:16:39,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,154 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 17:16:39,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,157 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 17:16:39,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,159 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 17:16:39,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,162 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 17:16:39,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,164 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 17:16:39,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,167 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 17:16:39,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,169 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 17:16:39,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,172 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 17:16:39,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,175 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 17:16:39,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,177 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 17:16:39,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,180 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 17:16:39,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,182 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 17:16:39,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,185 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 17:16:39,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,188 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 17:16:39,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,190 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 17:16:39,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,193 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 17:16:39,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,195 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 17:16:39,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,198 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 17:16:39,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:39,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 17:16:39,203 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:16:39,203 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288813156]
[2024-11-08 17:16:39,203 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288813156] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:39,203 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:39,203 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-08 17:16:39,204 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170940240]
[2024-11-08 17:16:39,204 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:39,204 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 17:16:39,204 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:16:39,205 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 17:16:39,205 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132
[2024-11-08 17:16:39,206 INFO  L87              Difference]: Start difference. First operand 75 states and 109 transitions. Second operand  has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:16:47,210 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:47,211 INFO  L93              Difference]: Finished difference Result 99 states and 137 transitions.
[2024-11-08 17:16:47,211 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-08 17:16:47,212 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129
[2024-11-08 17:16:47,212 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:47,212 INFO  L225             Difference]: With dead ends: 99
[2024-11-08 17:16:47,213 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 17:16:47,213 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380
[2024-11-08 17:16:47,215 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 53 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:47,216 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 521 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-08 17:16:47,216 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 17:16:47,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 17:16:47,217 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 17:16:47,217 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 17:16:47,217 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 129
[2024-11-08 17:16:47,217 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:47,218 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 17:16:47,218 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-08 17:16:47,218 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 17:16:47,218 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 17:16:47,224 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 17:16:47,225 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 17:16:47,229 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-08 17:16:47,232 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 17:16:47,274 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:16:47,306 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:16:47 BoogieIcfgContainer
[2024-11-08 17:16:47,306 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:16:47,307 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:16:47,307 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:16:47,307 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 17:16:47,307 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:08:09" (3/4) ...
[2024-11-08 17:16:47,312 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 17:16:47,317 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-08 17:16:47,327 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-08 17:16:47,328 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 17:16:47,328 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 17:16:47,329 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 17:16:47,449 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 17:16:47,450 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 17:16:47,450 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:16:47,451 INFO  L158              Benchmark]: Toolchain (without parser) took 519154.90ms. Allocated memory was 146.8MB in the beginning and 931.1MB in the end (delta: 784.3MB). Free memory was 115.7MB in the beginning and 531.1MB in the end (delta: -415.4MB). Peak memory consumption was 368.4MB. Max. memory is 16.1GB.
[2024-11-08 17:16:47,451 INFO  L158              Benchmark]: CDTParser took 0.43ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:16:47,451 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 535.18ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 99.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 17:16:47,452 INFO  L158              Benchmark]: Boogie Procedure Inliner took 107.76ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 96.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:16:47,452 INFO  L158              Benchmark]: Boogie Preprocessor took 186.48ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 114.4MB in the end (delta: -17.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 17:16:47,452 INFO  L158              Benchmark]: RCFGBuilder took 831.55ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 94.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 17:16:47,452 INFO  L158              Benchmark]: TraceAbstraction took 517332.13ms. Allocated memory was 146.8MB in the beginning and 931.1MB in the end (delta: 784.3MB). Free memory was 93.4MB in the beginning and 537.4MB in the end (delta: -444.0MB). Peak memory consumption was 341.3MB. Max. memory is 16.1GB.
[2024-11-08 17:16:47,453 INFO  L158              Benchmark]: Witness Printer took 143.43ms. Allocated memory is still 931.1MB. Free memory was 537.4MB in the beginning and 531.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 17:16:47,454 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.43ms. Allocated memory is still 111.1MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 535.18ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 99.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 107.76ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 96.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 186.48ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 114.4MB in the end (delta: -17.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * RCFGBuilder took 831.55ms. Allocated memory is still 146.8MB. Free memory was 114.4MB in the beginning and 94.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 517332.13ms. Allocated memory was 146.8MB in the beginning and 931.1MB in the end (delta: 784.3MB). Free memory was 93.4MB in the beginning and 537.4MB in the end (delta: -444.0MB). Peak memory consumption was 341.3MB. Max. memory is 16.1GB.
 * Witness Printer took 143.43ms. Allocated memory is still 931.1MB. Free memory was 537.4MB in the beginning and 531.1MB in the end (delta: 6.3MB). 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, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 517.2s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 1488 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1054 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 532 IncrementalHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 434 mSDtfsCounter, 532 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 34.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=3, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 500.0s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 12328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3800/3800 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_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (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))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18)))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 17:16:47,666 WARN  L435       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2024-11-08 17:16:47,712 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24fe847c-e7e7-4aa6-a682-1b41357ddc7d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137
Received shutdown request...
--- End real Ultimate output ---

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