./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 5e519f3a
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_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 6e8254ecedecc9535504848892d4cb38230112d354b6a5568b33ee9f0c006af3
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:44:41,760 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:44:41,763 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:44:41,824 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:44:41,825 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:44:41,831 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:44:41,834 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:44:41,838 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:44:41,843 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:44:41,850 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:44:41,851 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:44:41,854 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:44:41,855 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:44:41,858 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:44:41,861 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:44:41,864 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:44:41,866 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:44:41,867 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:44:41,869 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:44:41,878 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:44:41,880 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:44:41,882 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:44:41,886 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:44:41,887 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:44:41,898 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:44:41,898 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:44:41,899 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:44:41,901 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:44:41,902 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:44:41,903 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:44:41,904 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:44:41,907 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:44:41,909 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:44:41,911 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:44:41,913 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:44:41,913 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:44:41,914 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:44:41,915 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:44:41,915 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:44:41,916 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:44:41,917 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:44:41,918 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:44:41,967 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:44:41,968 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:44:41,969 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:44:41,969 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:44:41,971 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:44:41,971 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:44:41,972 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:44:41,973 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:44:41,973 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:44:41,973 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:44:41,975 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:44:41,975 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:44:41,976 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:44:41,976 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:44:41,976 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:44:41,977 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:44:41,977 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:44:41,978 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:44:41,978 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:44:41,978 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:44:41,979 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:44:41,979 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:44:41,979 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:44:41,980 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:44:41,980 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:44:41,981 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:44:41,981 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:44:41,981 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:44:41,982 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:44:41,982 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:44:41,984 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:44:41,985 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:44:41,986 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:44:41,986 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/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_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 6e8254ecedecc9535504848892d4cb38230112d354b6a5568b33ee9f0c006af3
[2022-11-02 20:44:42,384 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:44:42,430 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:44:42,434 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:44:42,436 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:44:42,437 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:44:42,439 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c
[2022-11-02 20:44:42,537 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/data/738f5fe7e/a8718aa08f6e4bf4bfb14b3b68319d6d/FLAG51bdaec1b
[2022-11-02 20:44:43,227 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:44:43,241 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/sv-benchmarks/c/eca-rers2012/Problem10_label18.c
[2022-11-02 20:44:43,258 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/data/738f5fe7e/a8718aa08f6e4bf4bfb14b3b68319d6d/FLAG51bdaec1b
[2022-11-02 20:44:43,440 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/data/738f5fe7e/a8718aa08f6e4bf4bfb14b3b68319d6d
[2022-11-02 20:44:43,444 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:44:43,446 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:44:43,450 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:44:43,450 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:44:43,458 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:44:43,459 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:43" (1/1) ...
[2022-11-02 20:44:43,461 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd7c512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:43, skipping insertion in model container
[2022-11-02 20:44:43,461 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:43" (1/1) ...
[2022-11-02 20:44:43,471 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:44:43,542 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:44:43,937 WARN  L230   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_52b325f5-0c8e-4841-b6c6-39cbb46036a9/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681]
[2022-11-02 20:44:44,127 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:44:44,137 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:44:44,177 WARN  L230   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_52b325f5-0c8e-4841-b6c6-39cbb46036a9/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681]
[2022-11-02 20:44:44,304 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:44:44,321 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:44:44,322 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44 WrapperNode
[2022-11-02 20:44:44,322 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:44:44,323 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:44:44,323 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:44:44,324 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:44:44,334 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,357 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,481 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597
[2022-11-02 20:44:44,492 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:44:44,494 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:44:44,494 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:44:44,494 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:44:44,505 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,506 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,513 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,513 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,542 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,560 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,584 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,590 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,600 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:44:44,612 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:44:44,613 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:44:44,613 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:44:44,614 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (1/1) ...
[2022-11-02 20:44:44,623 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:44:44,642 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:44:44,660 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:44:44,693 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:44:44,721 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:44:44,721 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:44:44,722 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:44:44,722 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:44:44,824 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:44:44,828 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:44:46,360 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:44:46,371 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:44:46,372 INFO  L300             CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:44:46,375 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:46 BoogieIcfgContainer
[2022-11-02 20:44:46,375 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:44:46,379 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:44:46,379 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:44:46,384 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:44:46,385 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:44:43" (1/3) ...
[2022-11-02 20:44:46,386 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38361fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:46, skipping insertion in model container
[2022-11-02 20:44:46,386 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:44" (2/3) ...
[2022-11-02 20:44:46,387 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38361fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:46, skipping insertion in model container
[2022-11-02 20:44:46,387 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:46" (3/3) ...
[2022-11-02 20:44:46,389 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem10_label18.c
[2022-11-02 20:44:46,420 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:44:46,420 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:44:46,501 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:44:46,509 INFO  L357      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6d2621b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:44:46,509 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:44:46,515 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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)
[2022-11-02 20:44:46,532 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2022-11-02 20:44:46,535 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:46,536 INFO  L195           NwaCegarLoop]: trace histogram [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]
[2022-11-02 20:44:46,538 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:46,548 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:46,549 INFO  L85        PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times
[2022-11-02 20:44:46,566 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:46,566 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624565825]
[2022-11-02 20:44:46,567 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:46,568 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:46,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:47,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:44:47,211 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:47,212 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624565825]
[2022-11-02 20:44:47,212 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624565825] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:47,213 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:44:47,213 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:44:47,215 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681226895]
[2022-11-02 20:44:47,216 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:47,222 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:44:47,223 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:47,264 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:44:47,266 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:47,273 INFO  L87              Difference]: Start difference. First operand  has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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)
[2022-11-02 20:44:48,518 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:48,519 INFO  L93              Difference]: Finished difference Result 552 states and 966 transitions.
[2022-11-02 20:44:48,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:44:48,522 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58
[2022-11-02 20:44:48,523 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:48,546 INFO  L225             Difference]: With dead ends: 552
[2022-11-02 20:44:48,546 INFO  L226             Difference]: Without dead ends: 282
[2022-11-02 20:44:48,551 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:48,554 INFO  L413           NwaCegarLoop]: 113 mSDtfsCounter, 105 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:48,555 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 120 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2022-11-02 20:44:48,573 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2022-11-02 20:44:48,600 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282.
[2022-11-02 20:44:48,602 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 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)
[2022-11-02 20:44:48,604 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions.
[2022-11-02 20:44:48,605 INFO  L78                 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 58
[2022-11-02 20:44:48,605 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:48,606 INFO  L495      AbstractCegarLoop]: Abstraction has 282 states and 377 transitions.
[2022-11-02 20:44:48,606 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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)
[2022-11-02 20:44:48,606 INFO  L276                IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions.
[2022-11-02 20:44:48,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2022-11-02 20:44:48,610 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:48,610 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:44:48,610 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:44:48,611 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:48,611 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:48,612 INFO  L85        PathProgramCache]: Analyzing trace with hash 1112125382, now seen corresponding path program 1 times
[2022-11-02 20:44:48,612 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:48,612 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158914292]
[2022-11-02 20:44:48,612 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:48,613 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:48,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:49,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:44:49,267 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:49,268 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158914292]
[2022-11-02 20:44:49,268 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158914292] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:49,268 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:44:49,268 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:44:49,269 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655810141]
[2022-11-02 20:44:49,269 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:49,272 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:44:49,273 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:49,273 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:44:49,274 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:49,275 INFO  L87              Difference]: Start difference. First operand 282 states and 377 transitions. Second operand  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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)
[2022-11-02 20:44:50,064 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:50,064 INFO  L93              Difference]: Finished difference Result 701 states and 967 transitions.
[2022-11-02 20:44:50,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:44:50,065 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124
[2022-11-02 20:44:50,066 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:50,068 INFO  L225             Difference]: With dead ends: 701
[2022-11-02 20:44:50,068 INFO  L226             Difference]: Without dead ends: 421
[2022-11-02 20:44:50,070 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:50,072 INFO  L413           NwaCegarLoop]: 17 mSDtfsCounter, 107 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:50,073 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 21 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:44:50,074 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2022-11-02 20:44:50,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2022-11-02 20:44:50,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 421 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 420 states have internal predecessors, (581), 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)
[2022-11-02 20:44:50,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions.
[2022-11-02 20:44:50,111 INFO  L78                 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 124
[2022-11-02 20:44:50,113 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:50,117 INFO  L495      AbstractCegarLoop]: Abstraction has 421 states and 581 transitions.
[2022-11-02 20:44:50,118 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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)
[2022-11-02 20:44:50,119 INFO  L276                IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions.
[2022-11-02 20:44:50,124 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2022-11-02 20:44:50,129 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:50,130 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:44:50,130 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:44:50,131 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:50,132 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:50,133 INFO  L85        PathProgramCache]: Analyzing trace with hash 706113024, now seen corresponding path program 1 times
[2022-11-02 20:44:50,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:50,135 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391152061]
[2022-11-02 20:44:50,135 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:50,136 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:50,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:50,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:44:50,520 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:50,521 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391152061]
[2022-11-02 20:44:50,521 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391152061] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:50,521 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:44:50,522 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:44:50,522 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099986078]
[2022-11-02 20:44:50,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:50,523 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:44:50,523 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:50,524 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:44:50,524 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:50,524 INFO  L87              Difference]: Start difference. First operand 421 states and 581 transitions. Second operand  has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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)
[2022-11-02 20:44:51,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:51,306 INFO  L93              Difference]: Finished difference Result 979 states and 1319 transitions.
[2022-11-02 20:44:51,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:44:51,307 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141
[2022-11-02 20:44:51,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:51,310 INFO  L225             Difference]: With dead ends: 979
[2022-11-02 20:44:51,310 INFO  L226             Difference]: Without dead ends: 560
[2022-11-02 20:44:51,312 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:51,313 INFO  L413           NwaCegarLoop]: 73 mSDtfsCounter, 58 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:51,314 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 77 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:44:51,316 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2022-11-02 20:44:51,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560.
[2022-11-02 20:44:51,332 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 560 states, 559 states have (on average 1.3059033989266546) internal successors, (730), 559 states have internal predecessors, (730), 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)
[2022-11-02 20:44:51,334 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions.
[2022-11-02 20:44:51,334 INFO  L78                 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 141
[2022-11-02 20:44:51,335 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:51,335 INFO  L495      AbstractCegarLoop]: Abstraction has 560 states and 730 transitions.
[2022-11-02 20:44:51,336 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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)
[2022-11-02 20:44:51,336 INFO  L276                IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions.
[2022-11-02 20:44:51,339 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2022-11-02 20:44:51,339 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:51,339 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:44:51,340 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:44:51,340 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:51,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:51,341 INFO  L85        PathProgramCache]: Analyzing trace with hash 360403180, now seen corresponding path program 1 times
[2022-11-02 20:44:51,341 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:51,342 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109971028]
[2022-11-02 20:44:51,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:51,342 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:51,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:51,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:44:51,559 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:51,559 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109971028]
[2022-11-02 20:44:51,559 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109971028] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:51,559 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:44:51,559 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:44:51,560 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383776230]
[2022-11-02 20:44:51,560 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:51,560 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:44:51,561 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:51,561 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:44:51,561 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:51,562 INFO  L87              Difference]: Start difference. First operand 560 states and 730 transitions. Second operand  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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)
[2022-11-02 20:44:52,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:52,358 INFO  L93              Difference]: Finished difference Result 1257 states and 1672 transitions.
[2022-11-02 20:44:52,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:44:52,359 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149
[2022-11-02 20:44:52,359 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:52,363 INFO  L225             Difference]: With dead ends: 1257
[2022-11-02 20:44:52,363 INFO  L226             Difference]: Without dead ends: 838
[2022-11-02 20:44:52,364 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:52,366 INFO  L413           NwaCegarLoop]: 31 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:52,367 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 34 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:44:52,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 838 states.
[2022-11-02 20:44:52,393 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838.
[2022-11-02 20:44:52,395 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 838 states, 837 states have (on average 1.2281959378733571) internal successors, (1028), 837 states have internal predecessors, (1028), 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)
[2022-11-02 20:44:52,399 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1028 transitions.
[2022-11-02 20:44:52,399 INFO  L78                 Accepts]: Start accepts. Automaton has 838 states and 1028 transitions. Word has length 149
[2022-11-02 20:44:52,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:52,400 INFO  L495      AbstractCegarLoop]: Abstraction has 838 states and 1028 transitions.
[2022-11-02 20:44:52,400 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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)
[2022-11-02 20:44:52,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 838 states and 1028 transitions.
[2022-11-02 20:44:52,405 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 208
[2022-11-02 20:44:52,406 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:52,406 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:44:52,407 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:44:52,407 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:52,408 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:52,408 INFO  L85        PathProgramCache]: Analyzing trace with hash 333993748, now seen corresponding path program 1 times
[2022-11-02 20:44:52,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:52,409 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825645430]
[2022-11-02 20:44:52,409 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:52,410 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:52,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:52,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked.
[2022-11-02 20:44:52,931 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:52,931 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825645430]
[2022-11-02 20:44:52,932 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825645430] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:44:52,932 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007528993]
[2022-11-02 20:44:52,932 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:52,933 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:44:52,933 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:44:52,937 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:44:52,969 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:44:53,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:53,098 INFO  L263         TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:44:53,108 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:44:53,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked.
[2022-11-02 20:44:53,633 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:44:53,633 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007528993] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:53,633 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:44:53,634 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2022-11-02 20:44:53,634 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545938012]
[2022-11-02 20:44:53,634 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:53,635 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:44:53,635 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:53,636 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:44:53,636 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:44:53,643 INFO  L87              Difference]: Start difference. First operand 838 states and 1028 transitions. Second operand  has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 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)
[2022-11-02 20:44:54,347 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:54,347 INFO  L93              Difference]: Finished difference Result 1257 states and 1547 transitions.
[2022-11-02 20:44:54,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:44:54,348 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207
[2022-11-02 20:44:54,349 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:54,353 INFO  L225             Difference]: With dead ends: 1257
[2022-11-02 20:44:54,354 INFO  L226             Difference]: Without dead ends: 1255
[2022-11-02 20:44:54,354 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:44:54,361 INFO  L413           NwaCegarLoop]: 7 mSDtfsCounter, 96 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:54,362 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 11 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:44:54,366 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1255 states.
[2022-11-02 20:44:54,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 977.
[2022-11-02 20:44:54,398 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 977 states, 976 states have (on average 1.2469262295081966) internal successors, (1217), 976 states have internal predecessors, (1217), 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)
[2022-11-02 20:44:54,402 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions.
[2022-11-02 20:44:54,403 INFO  L78                 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 207
[2022-11-02 20:44:54,412 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:54,413 INFO  L495      AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions.
[2022-11-02 20:44:54,413 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 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)
[2022-11-02 20:44:54,413 INFO  L276                IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions.
[2022-11-02 20:44:54,422 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2022-11-02 20:44:54,422 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:54,423 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:44:54,466 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2022-11-02 20:44:54,645 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:44:54,645 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:54,646 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:54,646 INFO  L85        PathProgramCache]: Analyzing trace with hash -516528691, now seen corresponding path program 1 times
[2022-11-02 20:44:54,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:54,646 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86727280]
[2022-11-02 20:44:54,647 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:54,647 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:54,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:54,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:44:54,985 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:54,985 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86727280]
[2022-11-02 20:44:54,985 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86727280] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:54,985 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:44:54,986 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:44:54,986 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937198799]
[2022-11-02 20:44:54,986 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:54,987 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:44:54,987 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:54,988 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:44:54,988 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:54,988 INFO  L87              Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand  has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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)
[2022-11-02 20:44:55,634 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:55,634 INFO  L93              Difference]: Finished difference Result 1952 states and 2467 transitions.
[2022-11-02 20:44:55,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:44:55,635 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 261
[2022-11-02 20:44:55,636 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:55,640 INFO  L225             Difference]: With dead ends: 1952
[2022-11-02 20:44:55,640 INFO  L226             Difference]: Without dead ends: 1116
[2022-11-02 20:44:55,641 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:44:55,647 INFO  L413           NwaCegarLoop]: 210 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:55,647 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 215 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:44:55,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1116 states.
[2022-11-02 20:44:55,673 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116.
[2022-11-02 20:44:55,676 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1116 states, 1115 states have (on average 1.2251121076233185) internal successors, (1366), 1115 states have internal predecessors, (1366), 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)
[2022-11-02 20:44:55,680 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1366 transitions.
[2022-11-02 20:44:55,680 INFO  L78                 Accepts]: Start accepts. Automaton has 1116 states and 1366 transitions. Word has length 261
[2022-11-02 20:44:55,681 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:55,681 INFO  L495      AbstractCegarLoop]: Abstraction has 1116 states and 1366 transitions.
[2022-11-02 20:44:55,681 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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)
[2022-11-02 20:44:55,682 INFO  L276                IsEmpty]: Start isEmpty. Operand 1116 states and 1366 transitions.
[2022-11-02 20:44:55,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 271
[2022-11-02 20:44:55,687 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:55,688 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:44:55,688 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:44:55,689 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:55,689 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:55,689 INFO  L85        PathProgramCache]: Analyzing trace with hash 530711103, now seen corresponding path program 1 times
[2022-11-02 20:44:55,690 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:55,690 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296869528]
[2022-11-02 20:44:55,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:55,690 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:55,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:56,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 185 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:44:56,530 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:56,530 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296869528]
[2022-11-02 20:44:56,530 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296869528] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:56,531 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:44:56,531 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:44:56,531 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739917816]
[2022-11-02 20:44:56,534 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:56,535 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:44:56,536 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:56,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:44:56,537 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:44:56,537 INFO  L87              Difference]: Start difference. First operand 1116 states and 1366 transitions. Second operand  has 7 states, 7 states have (on average 38.57142857142857) internal successors, (270), 6 states have internal predecessors, (270), 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)
[2022-11-02 20:44:57,218 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:57,218 INFO  L93              Difference]: Finished difference Result 2146 states and 2641 transitions.
[2022-11-02 20:44:57,219 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-11-02 20:44:57,219 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 38.57142857142857) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 270
[2022-11-02 20:44:57,220 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:57,224 INFO  L225             Difference]: With dead ends: 2146
[2022-11-02 20:44:57,224 INFO  L226             Difference]: Without dead ends: 1116
[2022-11-02 20:44:57,226 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:44:57,227 INFO  L413           NwaCegarLoop]: 9 mSDtfsCounter, 220 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:57,227 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 20 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:44:57,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1116 states.
[2022-11-02 20:44:57,252 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116.
[2022-11-02 20:44:57,254 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1116 states, 1115 states have (on average 1.2188340807174889) internal successors, (1359), 1115 states have internal predecessors, (1359), 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)
[2022-11-02 20:44:57,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1359 transitions.
[2022-11-02 20:44:57,259 INFO  L78                 Accepts]: Start accepts. Automaton has 1116 states and 1359 transitions. Word has length 270
[2022-11-02 20:44:57,259 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:57,259 INFO  L495      AbstractCegarLoop]: Abstraction has 1116 states and 1359 transitions.
[2022-11-02 20:44:57,260 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 38.57142857142857) internal successors, (270), 6 states have internal predecessors, (270), 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)
[2022-11-02 20:44:57,260 INFO  L276                IsEmpty]: Start isEmpty. Operand 1116 states and 1359 transitions.
[2022-11-02 20:44:57,266 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 307
[2022-11-02 20:44:57,266 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:57,267 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2022-11-02 20:44:57,267 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:44:57,267 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:57,268 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:57,268 INFO  L85        PathProgramCache]: Analyzing trace with hash 107165657, now seen corresponding path program 1 times
[2022-11-02 20:44:57,269 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:57,269 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330296858]
[2022-11-02 20:44:57,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:57,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:57,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:57,979 INFO  L134       CoverageAnalysis]: Checked inductivity of 221 backedges. 21 proven. 90 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2022-11-02 20:44:57,980 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:44:57,980 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330296858]
[2022-11-02 20:44:57,980 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330296858] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:44:57,980 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356148799]
[2022-11-02 20:44:57,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:57,981 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:44:57,981 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:44:57,982 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:44:57,996 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-02 20:44:58,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:44:58,191 INFO  L263         TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:44:58,209 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:44:58,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 221 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2022-11-02 20:44:58,322 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:44:58,322 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356148799] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:44:58,323 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:44:58,323 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2022-11-02 20:44:58,324 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74897248]
[2022-11-02 20:44:58,324 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:44:58,325 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:44:58,325 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:44:58,328 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:44:58,328 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:44:58,328 INFO  L87              Difference]: Start difference. First operand 1116 states and 1359 transitions. Second operand  has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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)
[2022-11-02 20:44:59,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:44:59,001 INFO  L93              Difference]: Finished difference Result 1674 states and 2024 transitions.
[2022-11-02 20:44:59,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:44:59,002 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306
[2022-11-02 20:44:59,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:44:59,009 INFO  L225             Difference]: With dead ends: 1674
[2022-11-02 20:44:59,009 INFO  L226             Difference]: Without dead ends: 1672
[2022-11-02 20:44:59,010 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:44:59,011 INFO  L413           NwaCegarLoop]: 7 mSDtfsCounter, 126 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:44:59,011 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 11 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:44:59,014 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1672 states.
[2022-11-02 20:44:59,043 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1116.
[2022-11-02 20:44:59,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1116 states, 1115 states have (on average 1.2188340807174889) internal successors, (1359), 1115 states have internal predecessors, (1359), 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)
[2022-11-02 20:44:59,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1359 transitions.
[2022-11-02 20:44:59,050 INFO  L78                 Accepts]: Start accepts. Automaton has 1116 states and 1359 transitions. Word has length 306
[2022-11-02 20:44:59,051 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:44:59,051 INFO  L495      AbstractCegarLoop]: Abstraction has 1116 states and 1359 transitions.
[2022-11-02 20:44:59,051 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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)
[2022-11-02 20:44:59,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 1116 states and 1359 transitions.
[2022-11-02 20:44:59,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 359
[2022-11-02 20:44:59,059 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:44:59,060 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:44:59,110 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:44:59,285 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:44:59,285 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:44:59,286 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:44:59,286 INFO  L85        PathProgramCache]: Analyzing trace with hash -2054357862, now seen corresponding path program 1 times
[2022-11-02 20:44:59,286 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:44:59,286 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296436164]
[2022-11-02 20:44:59,286 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:44:59,287 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:44:59,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:45:00,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 412 backedges. 367 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:45:00,049 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:45:00,049 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296436164]
[2022-11-02 20:45:00,049 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296436164] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:45:00,050 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362572910]
[2022-11-02 20:45:00,050 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:45:00,050 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:45:00,050 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:45:00,054 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:45:00,077 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-02 20:45:00,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:45:00,264 INFO  L263         TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:45:00,270 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:45:00,505 INFO  L134       CoverageAnalysis]: Checked inductivity of 412 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2022-11-02 20:45:00,506 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:45:00,506 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362572910] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:45:00,510 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:45:00,511 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2022-11-02 20:45:00,511 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140332892]
[2022-11-02 20:45:00,511 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:45:00,512 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:45:00,512 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:45:00,513 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:45:00,514 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:45:00,514 INFO  L87              Difference]: Start difference. First operand 1116 states and 1359 transitions. Second operand  has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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)
[2022-11-02 20:45:01,277 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:45:01,277 INFO  L93              Difference]: Finished difference Result 2786 states and 3439 transitions.
[2022-11-02 20:45:01,278 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:45:01,278 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 358
[2022-11-02 20:45:01,279 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:45:01,286 INFO  L225             Difference]: With dead ends: 2786
[2022-11-02 20:45:01,286 INFO  L226             Difference]: Without dead ends: 1811
[2022-11-02 20:45:01,288 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:45:01,289 INFO  L413           NwaCegarLoop]: 195 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:45:01,289 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 199 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:45:01,292 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1811 states.
[2022-11-02 20:45:01,332 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811.
[2022-11-02 20:45:01,336 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1811 states, 1810 states have (on average 1.181767955801105) internal successors, (2139), 1810 states have internal predecessors, (2139), 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)
[2022-11-02 20:45:01,342 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2139 transitions.
[2022-11-02 20:45:01,343 INFO  L78                 Accepts]: Start accepts. Automaton has 1811 states and 2139 transitions. Word has length 358
[2022-11-02 20:45:01,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:45:01,343 INFO  L495      AbstractCegarLoop]: Abstraction has 1811 states and 2139 transitions.
[2022-11-02 20:45:01,344 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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)
[2022-11-02 20:45:01,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 1811 states and 2139 transitions.
[2022-11-02 20:45:01,353 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 372
[2022-11-02 20:45:01,353 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:45:01,354 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:45:01,400 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2022-11-02 20:45:01,568 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:45:01,569 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:45:01,569 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:45:01,570 INFO  L85        PathProgramCache]: Analyzing trace with hash 396556598, now seen corresponding path program 1 times
[2022-11-02 20:45:01,570 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:45:01,570 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255064458]
[2022-11-02 20:45:01,570 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:45:01,571 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:45:01,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:45:02,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 438 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2022-11-02 20:45:02,273 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:45:02,273 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255064458]
[2022-11-02 20:45:02,274 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255064458] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:45:02,274 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:45:02,274 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:45:02,274 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545839801]
[2022-11-02 20:45:02,275 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:45:02,275 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:45:02,276 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:45:02,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:45:02,276 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:45:02,277 INFO  L87              Difference]: Start difference. First operand 1811 states and 2139 transitions. Second operand  has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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)
[2022-11-02 20:45:03,070 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:45:03,070 INFO  L93              Difference]: Finished difference Result 4174 states and 4968 transitions.
[2022-11-02 20:45:03,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:45:03,071 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 371
[2022-11-02 20:45:03,072 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:45:03,072 INFO  L225             Difference]: With dead ends: 4174
[2022-11-02 20:45:03,072 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 20:45:03,076 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:45:03,083 INFO  L413           NwaCegarLoop]: 218 mSDtfsCounter, 84 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:45:03,083 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 222 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:45:03,084 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:45:03,084 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:45:03,084 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)
[2022-11-02 20:45:03,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:45:03,085 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371
[2022-11-02 20:45:03,085 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:45:03,085 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:45:03,086 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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)
[2022-11-02 20:45:03,086 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:45:03,086 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:45:03,089 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:45:03,090 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 20:45:03,092 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,756 INFO  L899   garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed.
[2022-11-02 20:45:03,757 INFO  L899   garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,758 INFO  L899   garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed.
[2022-11-02 20:45:03,759 INFO  L899   garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,760 INFO  L899   garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2022-11-02 20:45:03,761 INFO  L899   garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,762 INFO  L899   garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,763 INFO  L899   garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,764 INFO  L899   garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed.
[2022-11-02 20:45:03,765 INFO  L899   garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed.
[2022-11-02 20:45:03,769 INFO  L899   garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed.
[2022-11-02 20:45:03,769 INFO  L899   garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed.
[2022-11-02 20:45:03,769 INFO  L899   garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed.
[2022-11-02 20:45:03,769 INFO  L899   garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,770 INFO  L899   garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,770 INFO  L899   garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,770 INFO  L899   garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,770 INFO  L899   garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,770 INFO  L899   garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,770 INFO  L899   garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,771 INFO  L899   garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,771 INFO  L899   garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,771 INFO  L899   garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,772 INFO  L899   garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,772 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:03,772 INFO  L899   garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed.
[2022-11-02 20:45:03,773 INFO  L899   garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed.
[2022-11-02 20:45:03,773 INFO  L899   garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed.
[2022-11-02 20:45:03,773 INFO  L899   garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed.
[2022-11-02 20:45:03,773 INFO  L899   garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2022-11-02 20:45:03,775 INFO  L895   garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a10~0 4)) .cse0 .cse1) (and .cse2 (<= 8 ~a19~0) .cse0 .cse1) (and .cse2 (<= (+ ~a1~0 333899) 0) .cse0 .cse1)))
[2022-11-02 20:45:03,775 INFO  L899   garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,775 INFO  L899   garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,775 INFO  L899   garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,775 INFO  L899   garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,776 INFO  L899   garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,776 INFO  L899   garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,776 INFO  L899   garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,776 INFO  L899   garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,777 INFO  L899   garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,777 INFO  L899   garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,777 INFO  L899   garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,777 INFO  L899   garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,777 INFO  L899   garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed.
[2022-11-02 20:45:03,777 INFO  L899   garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed.
[2022-11-02 20:45:03,778 INFO  L899   garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed.
[2022-11-02 20:45:03,778 INFO  L899   garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed.
[2022-11-02 20:45:03,778 INFO  L899   garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed.
[2022-11-02 20:45:03,778 INFO  L899   garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,778 INFO  L899   garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,779 INFO  L902   garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true
[2022-11-02 20:45:03,779 INFO  L899   garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,779 INFO  L899   garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,779 INFO  L899   garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,779 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:03,779 INFO  L899   garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,780 INFO  L899   garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,780 INFO  L899   garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,780 INFO  L899   garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,780 INFO  L899   garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,780 INFO  L899   garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed.
[2022-11-02 20:45:03,781 INFO  L899   garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed.
[2022-11-02 20:45:03,781 INFO  L899   garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed.
[2022-11-02 20:45:03,781 INFO  L899   garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2022-11-02 20:45:03,781 INFO  L899   garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed.
[2022-11-02 20:45:03,781 INFO  L899   garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,781 INFO  L899   garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,782 INFO  L899   garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,782 INFO  L899   garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,782 INFO  L899   garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,782 INFO  L899   garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,782 INFO  L899   garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,783 INFO  L899   garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,783 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:03,783 INFO  L899   garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,783 INFO  L899   garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,783 INFO  L899   garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,786 INFO  L899   garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,787 INFO  L899   garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,787 INFO  L899   garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed.
[2022-11-02 20:45:03,787 INFO  L899   garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed.
[2022-11-02 20:45:03,787 INFO  L899   garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed.
[2022-11-02 20:45:03,787 INFO  L899   garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed.
[2022-11-02 20:45:03,788 INFO  L899   garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed.
[2022-11-02 20:45:03,788 INFO  L899   garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,788 INFO  L899   garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,788 INFO  L899   garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,788 INFO  L895   garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a10~0 4)) .cse0 .cse1) (and .cse2 (<= 8 ~a19~0) .cse0 .cse1) (and .cse2 (<= (+ ~a1~0 333899) 0) .cse0 .cse1)))
[2022-11-02 20:45:03,789 INFO  L899   garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,789 INFO  L899   garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,789 INFO  L899   garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,789 INFO  L899   garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,789 INFO  L899   garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,790 INFO  L899   garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed.
[2022-11-02 20:45:03,790 INFO  L899   garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,790 INFO  L899   garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,790 INFO  L899   garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,790 INFO  L899   garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,791 INFO  L899   garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,791 INFO  L899   garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed.
[2022-11-02 20:45:03,791 INFO  L899   garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed.
[2022-11-02 20:45:03,791 INFO  L899   garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed.
[2022-11-02 20:45:03,791 INFO  L899   garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed.
[2022-11-02 20:45:03,792 INFO  L899   garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed.
[2022-11-02 20:45:03,792 INFO  L899   garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2022-11-02 20:45:03,792 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:03,792 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed.
[2022-11-02 20:45:03,792 INFO  L899   garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,793 INFO  L899   garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,793 INFO  L899   garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,793 INFO  L899   garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,793 INFO  L899   garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,793 INFO  L899   garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,793 INFO  L899   garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,794 INFO  L899   garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,794 INFO  L899   garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,794 INFO  L899   garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed.
[2022-11-02 20:45:03,794 INFO  L899   garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,794 INFO  L899   garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,795 INFO  L899   garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed.
[2022-11-02 20:45:03,795 INFO  L899   garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed.
[2022-11-02 20:45:03,795 INFO  L899   garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed.
[2022-11-02 20:45:03,795 INFO  L899   garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed.
[2022-11-02 20:45:03,795 INFO  L899   garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed.
[2022-11-02 20:45:03,796 INFO  L899   garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed.
[2022-11-02 20:45:03,796 INFO  L899   garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed.
[2022-11-02 20:45:03,800 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:45:03,805 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:45:03,828 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:45:03 BoogieIcfgContainer
[2022-11-02 20:45:03,828 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:45:03,829 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:45:03,830 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:45:03,830 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:45:03,831 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:46" (3/4) ...
[2022-11-02 20:45:03,834 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:45:03,868 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:45:03,876 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:45:03,878 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:45:03,879 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:45:04,058 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:45:04,058 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:45:04,059 INFO  L158              Benchmark]: Toolchain (without parser) took 20613.15ms. Allocated memory was 142.6MB in the beginning and 325.1MB in the end (delta: 182.5MB). Free memory was 108.2MB in the beginning and 287.2MB in the end (delta: -179.0MB). Peak memory consumption was 189.4MB. Max. memory is 16.1GB.
[2022-11-02 20:45:04,060 INFO  L158              Benchmark]: CDTParser took 0.40ms. Allocated memory is still 96.5MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:45:04,061 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 872.57ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 98.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:45:04,061 INFO  L158              Benchmark]: Boogie Procedure Inliner took 169.24ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 90.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:45:04,061 INFO  L158              Benchmark]: Boogie Preprocessor took 117.93ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 85.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:45:04,063 INFO  L158              Benchmark]: RCFGBuilder took 1763.16ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 85.6MB in the beginning and 133.6MB in the end (delta: -48.0MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB.
[2022-11-02 20:45:04,063 INFO  L158              Benchmark]: TraceAbstraction took 17449.93ms. Allocated memory was 186.6MB in the beginning and 325.1MB in the end (delta: 138.4MB). Free memory was 132.5MB in the beginning and 106.7MB in the end (delta: 25.8MB). Peak memory consumption was 163.2MB. Max. memory is 16.1GB.
[2022-11-02 20:45:04,064 INFO  L158              Benchmark]: Witness Printer took 229.08ms. Allocated memory is still 325.1MB. Free memory was 106.7MB in the beginning and 287.2MB in the end (delta: -180.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
[2022-11-02 20:45:04,067 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.40ms. Allocated memory is still 96.5MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 872.57ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 98.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 169.24ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 90.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 117.93ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 85.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1763.16ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 85.6MB in the beginning and 133.6MB in the end (delta: -48.0MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 17449.93ms. Allocated memory was 186.6MB in the beginning and 325.1MB in the end (delta: 138.4MB). Free memory was 132.5MB in the beginning and 106.7MB in the end (delta: 25.8MB). Peak memory consumption was 163.2MB. Max. memory is 16.1GB.
 * Witness Printer took 229.08ms. Allocated memory is still 325.1MB. Free memory was 106.7MB in the beginning and 287.2MB in the end (delta: -180.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 188]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 913 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 913 mSDsluCounter, 930 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 628 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3807 IncrementalHoareTripleChecker+Invalid, 4435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 628 mSolverCounterUnsat, 880 mSDtfsCounter, 3807 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 903 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=9, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 834 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 81 HoareAnnotationTreeSize, 3 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1448 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 3116 NumberOfCodeBlocks, 3116 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3103 ConstructedInterpolants, 0 QuantifiedInterpolants, 12052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1234 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 2359/2582 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
  - InvariantResult [Line: 592]: Loop Invariant
    Derived loop invariant: (((!(a10 == 4) && 14 == a4) && a12 == 0) || (((a19 <= 9 && 8 <= a19) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && a1 + 333899 <= 0) && 14 == a4) && a12 == 0)
  - InvariantResult [Line: 30]: Loop Invariant
    Derived loop invariant: (((!(a10 == 4) && 14 == a4) && a12 == 0) || (((a19 <= 9 && 8 <= a19) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && a1 + 333899 <= 0) && 14 == a4) && a12 == 0)
  - InvariantResult [Line: 586]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:45:04,116 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b325f5-0c8e-4841-b6c6-39cbb46036a9/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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