./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version b5237d83
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a --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 25a329399ac3f0c42bfd0b3752cc2a04cb2662736babf7dc26be2e3a4966221c
--- 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-b5237d8
[2022-11-21 09:03:34,631 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-21 09:03:34,633 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-21 09:03:34,651 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-21 09:03:34,652 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-21 09:03:34,653 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-21 09:03:34,654 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-21 09:03:34,655 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-21 09:03:34,657 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-21 09:03:34,658 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-21 09:03:34,659 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-21 09:03:34,660 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-21 09:03:34,660 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-21 09:03:34,661 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-21 09:03:34,662 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-21 09:03:34,663 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-21 09:03:34,664 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-21 09:03:34,665 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-21 09:03:34,666 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-21 09:03:34,668 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-21 09:03:34,670 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-21 09:03:34,677 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-21 09:03:34,678 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-21 09:03:34,680 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-21 09:03:34,686 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-21 09:03:34,693 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-21 09:03:34,693 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-21 09:03:34,694 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-21 09:03:34,695 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-21 09:03:34,696 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-21 09:03:34,696 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-21 09:03:34,697 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-21 09:03:34,697 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-21 09:03:34,698 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-21 09:03:34,701 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-21 09:03:34,701 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-21 09:03:34,702 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-21 09:03:34,703 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-21 09:03:34,703 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-21 09:03:34,704 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-21 09:03:34,706 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-21 09:03:34,707 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-21 09:03:34,725 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-21 09:03:34,726 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-21 09:03:34,726 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-21 09:03:34,726 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-21 09:03:34,727 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-21 09:03:34,727 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-21 09:03:34,728 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-21 09:03:34,728 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-21 09:03:34,728 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-21 09:03:34,728 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-21 09:03:34,728 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-21 09:03:34,728 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-21 09:03:34,729 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-21 09:03:34,729 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-21 09:03:34,729 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-21 09:03:34,729 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-21 09:03:34,729 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-21 09:03:34,730 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-21 09:03:34,730 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-21 09:03:34,730 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-21 09:03:34,730 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-21 09:03:34,730 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-21 09:03:34,730 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-21 09:03:34,731 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-21 09:03:34,731 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:03:34,731 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-21 09:03:34,731 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-21 09:03:34,731 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-21 09:03:34,732 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-21 09:03:34,732 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-21 09:03:34,732 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-21 09:03:34,732 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-21 09:03:34,732 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-21 09:03:34,732 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_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/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_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a
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 -> 25a329399ac3f0c42bfd0b3752cc2a04cb2662736babf7dc26be2e3a4966221c
[2022-11-21 09:03:34,967 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-21 09:03:34,998 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-21 09:03:35,001 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-21 09:03:35,002 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-21 09:03:35,002 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-21 09:03:35,003 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/eca-rers2012/Problem10_label01.c
[2022-11-21 09:03:37,973 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-11-21 09:03:38,294 INFO  L351              CDTParser]: Found 1 translation units.
[2022-11-21 09:03:38,295 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/sv-benchmarks/c/eca-rers2012/Problem10_label01.c
[2022-11-21 09:03:38,305 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/data/3b39d061d/edd6a42eed924521883b7be0ba075233/FLAGaa181f517
[2022-11-21 09:03:38,320 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/data/3b39d061d/edd6a42eed924521883b7be0ba075233
[2022-11-21 09:03:38,322 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-21 09:03:38,324 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-21 09:03:38,325 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-21 09:03:38,325 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-21 09:03:38,329 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-21 09:03:38,329 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:38,330 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db5a50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38, skipping insertion in model container
[2022-11-21 09:03:38,331 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:38,338 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-21 09:03:38,376 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-21 09:03:38,560 WARN  L237   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_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/sv-benchmarks/c/eca-rers2012/Problem10_label01.c[6098,6111]
[2022-11-21 09:03:38,779 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:03:38,788 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-21 09:03:38,843 WARN  L237   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_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/sv-benchmarks/c/eca-rers2012/Problem10_label01.c[6098,6111]
[2022-11-21 09:03:38,939 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:03:38,953 INFO  L208         MainTranslator]: Completed translation
[2022-11-21 09:03:38,954 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38 WrapperNode
[2022-11-21 09:03:38,954 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-21 09:03:38,955 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-21 09:03:38,955 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-21 09:03:38,955 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-21 09:03:38,964 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:38,990 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,062 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597
[2022-11-21 09:03:39,063 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-21 09:03:39,064 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-21 09:03:39,064 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-21 09:03:39,064 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-21 09:03:39,082 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,083 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,089 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,089 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,113 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,121 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,125 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,130 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,139 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-21 09:03:39,140 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-21 09:03:39,140 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-21 09:03:39,141 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-21 09:03:39,142 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (1/1) ...
[2022-11-21 09:03:39,149 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:03:39,175 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:03:39,188 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-21 09:03:39,220 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-21 09:03:39,239 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-21 09:03:39,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-21 09:03:39,240 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-21 09:03:39,240 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-21 09:03:39,325 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-21 09:03:39,327 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-21 09:03:40,518 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-21 09:03:40,526 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-21 09:03:40,527 INFO  L300             CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-21 09:03:40,529 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:40 BoogieIcfgContainer
[2022-11-21 09:03:40,529 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-21 09:03:40,532 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-21 09:03:40,532 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-21 09:03:40,535 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-21 09:03:40,535 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:38" (1/3) ...
[2022-11-21 09:03:40,536 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719eee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:40, skipping insertion in model container
[2022-11-21 09:03:40,536 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:38" (2/3) ...
[2022-11-21 09:03:40,536 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719eee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:40, skipping insertion in model container
[2022-11-21 09:03:40,536 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:40" (3/3) ...
[2022-11-21 09:03:40,538 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem10_label01.c
[2022-11-21 09:03:40,556 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-21 09:03:40,556 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-21 09:03:40,621 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-21 09:03:40,630 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;@14dfc0f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-21 09:03:40,631 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-21 09:03:40,641 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)
[2022-11-21 09:03:40,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2022-11-21 09:03:40,652 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:40,653 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]
[2022-11-21 09:03:40,654 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:40,662 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:40,663 INFO  L85        PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times
[2022-11-21 09:03:40,672 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:40,673 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637979314]
[2022-11-21 09:03:40,673 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:40,674 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:40,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:41,274 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 09:03:41,275 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:41,275 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637979314]
[2022-11-21 09:03:41,276 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637979314] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:41,276 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:03:41,276 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:03:41,277 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807059236]
[2022-11-21 09:03:41,278 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:41,282 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-21 09:03:41,283 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:41,320 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-21 09:03:41,322 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:03:41,326 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 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2022-11-21 09:03:42,871 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:42,871 INFO  L93              Difference]: Finished difference Result 696 states and 1248 transitions.
[2022-11-21 09:03:42,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-21 09:03:42,873 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 53
[2022-11-21 09:03:42,874 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:42,885 INFO  L225             Difference]: With dead ends: 696
[2022-11-21 09:03:42,886 INFO  L226             Difference]: Without dead ends: 421
[2022-11-21 09:03:42,889 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-21 09:03:42,893 INFO  L413           NwaCegarLoop]: 30 mSDtfsCounter, 465 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:42,893 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 44 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2022-11-21 09:03:42,929 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2022-11-21 09:03:42,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2022-11-21 09:03:42,980 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)
[2022-11-21 09:03:42,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions.
[2022-11-21 09:03:42,989 INFO  L78                 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 53
[2022-11-21 09:03:42,990 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:42,991 INFO  L495      AbstractCegarLoop]: Abstraction has 421 states and 581 transitions.
[2022-11-21 09:03:42,991 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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)
[2022-11-21 09:03:42,991 INFO  L276                IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions.
[2022-11-21 09:03:43,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2022-11-21 09:03:43,004 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:43,004 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, 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]
[2022-11-21 09:03:43,004 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-21 09:03:43,005 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:43,005 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:43,006 INFO  L85        PathProgramCache]: Analyzing trace with hash 1991031425, now seen corresponding path program 1 times
[2022-11-21 09:03:43,006 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:43,006 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847776817]
[2022-11-21 09:03:43,012 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:43,012 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:43,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:43,507 INFO  L134       CoverageAnalysis]: Checked inductivity of 166 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2022-11-21 09:03:43,508 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:43,508 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847776817]
[2022-11-21 09:03:43,508 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847776817] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:43,508 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:03:43,508 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:03:43,509 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887130425]
[2022-11-21 09:03:43,509 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:43,510 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:03:43,511 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:43,511 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:03:43,511 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:03:43,511 INFO  L87              Difference]: Start difference. First operand 421 states and 581 transitions. Second operand  has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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)
[2022-11-21 09:03:44,097 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:44,097 INFO  L93              Difference]: Finished difference Result 979 states and 1440 transitions.
[2022-11-21 09:03:44,098 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-21 09:03:44,099 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 234
[2022-11-21 09:03:44,099 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:44,106 INFO  L225             Difference]: With dead ends: 979
[2022-11-21 09:03:44,106 INFO  L226             Difference]: Without dead ends: 699
[2022-11-21 09:03:44,108 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
[2022-11-21 09:03:44,112 INFO  L413           NwaCegarLoop]: 221 mSDtfsCounter, 89 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:44,114 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 226 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:03:44,116 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 699 states.
[2022-11-21 09:03:44,142 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560.
[2022-11-21 09:03:44,145 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 560 states, 559 states have (on average 1.3148479427549196) internal successors, (735), 559 states have internal predecessors, (735), 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)
[2022-11-21 09:03:44,147 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 735 transitions.
[2022-11-21 09:03:44,147 INFO  L78                 Accepts]: Start accepts. Automaton has 560 states and 735 transitions. Word has length 234
[2022-11-21 09:03:44,148 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:44,148 INFO  L495      AbstractCegarLoop]: Abstraction has 560 states and 735 transitions.
[2022-11-21 09:03:44,149 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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)
[2022-11-21 09:03:44,149 INFO  L276                IsEmpty]: Start isEmpty. Operand 560 states and 735 transitions.
[2022-11-21 09:03:44,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2022-11-21 09:03:44,153 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:44,153 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, 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]
[2022-11-21 09:03:44,153 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-21 09:03:44,153 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:44,154 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:44,154 INFO  L85        PathProgramCache]: Analyzing trace with hash -218435280, now seen corresponding path program 1 times
[2022-11-21 09:03:44,154 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:44,155 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657066723]
[2022-11-21 09:03:44,155 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:44,155 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:44,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:44,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 166 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2022-11-21 09:03:44,531 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:44,531 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657066723]
[2022-11-21 09:03:44,531 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657066723] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:44,533 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:03:44,533 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-21 09:03:44,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207903021]
[2022-11-21 09:03:44,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:44,535 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:03:44,536 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:44,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:03:44,538 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:03:44,538 INFO  L87              Difference]: Start difference. First operand 560 states and 735 transitions. Second operand  has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 states have internal predecessors, (176), 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)
[2022-11-21 09:03:45,088 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:45,089 INFO  L93              Difference]: Finished difference Result 1118 states and 1533 transitions.
[2022-11-21 09:03:45,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-21 09:03:45,089 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 states have internal predecessors, (176), 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 240
[2022-11-21 09:03:45,090 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:45,093 INFO  L225             Difference]: With dead ends: 1118
[2022-11-21 09:03:45,093 INFO  L226             Difference]: Without dead ends: 699
[2022-11-21 09:03:45,094 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
[2022-11-21 09:03:45,095 INFO  L413           NwaCegarLoop]: 31 mSDtfsCounter, 55 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:45,095 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 34 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-21 09:03:45,096 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 699 states.
[2022-11-21 09:03:45,126 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699.
[2022-11-21 09:03:45,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 699 states, 698 states have (on average 1.2808022922636104) internal successors, (894), 698 states have internal predecessors, (894), 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)
[2022-11-21 09:03:45,130 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 894 transitions.
[2022-11-21 09:03:45,130 INFO  L78                 Accepts]: Start accepts. Automaton has 699 states and 894 transitions. Word has length 240
[2022-11-21 09:03:45,132 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:45,132 INFO  L495      AbstractCegarLoop]: Abstraction has 699 states and 894 transitions.
[2022-11-21 09:03:45,132 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 states have internal predecessors, (176), 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)
[2022-11-21 09:03:45,133 INFO  L276                IsEmpty]: Start isEmpty. Operand 699 states and 894 transitions.
[2022-11-21 09:03:45,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 309
[2022-11-21 09:03:45,138 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:45,139 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2022-11-21 09:03:45,139 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-21 09:03:45,140 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:45,141 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:45,142 INFO  L85        PathProgramCache]: Analyzing trace with hash 246632696, now seen corresponding path program 1 times
[2022-11-21 09:03:45,142 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:45,142 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881001932]
[2022-11-21 09:03:45,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:45,143 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:45,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:45,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 350 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked.
[2022-11-21 09:03:45,466 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:45,466 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881001932]
[2022-11-21 09:03:45,467 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881001932] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:45,467 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:03:45,467 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:03:45,467 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718588401]
[2022-11-21 09:03:45,467 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:45,468 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:03:45,468 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:45,469 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:03:45,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-21 09:03:45,469 INFO  L87              Difference]: Start difference. First operand 699 states and 894 transitions. Second operand  has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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)
[2022-11-21 09:03:45,978 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:45,978 INFO  L93              Difference]: Finished difference Result 1396 states and 1831 transitions.
[2022-11-21 09:03:45,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-21 09:03:45,979 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 308
[2022-11-21 09:03:45,980 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:45,983 INFO  L225             Difference]: With dead ends: 1396
[2022-11-21 09:03:45,983 INFO  L226             Difference]: Without dead ends: 838
[2022-11-21 09:03:45,984 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
[2022-11-21 09:03:45,987 INFO  L413           NwaCegarLoop]: 210 mSDtfsCounter, 76 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:45,991 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 215 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-21 09:03:45,993 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 838 states.
[2022-11-21 09:03:46,009 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838.
[2022-11-21 09:03:46,011 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 838 states, 837 states have (on average 1.2461170848267622) internal successors, (1043), 837 states have internal predecessors, (1043), 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)
[2022-11-21 09:03:46,013 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1043 transitions.
[2022-11-21 09:03:46,014 INFO  L78                 Accepts]: Start accepts. Automaton has 838 states and 1043 transitions. Word has length 308
[2022-11-21 09:03:46,014 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:46,014 INFO  L495      AbstractCegarLoop]: Abstraction has 838 states and 1043 transitions.
[2022-11-21 09:03:46,015 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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)
[2022-11-21 09:03:46,015 INFO  L276                IsEmpty]: Start isEmpty. Operand 838 states and 1043 transitions.
[2022-11-21 09:03:46,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 318
[2022-11-21 09:03:46,020 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:46,020 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:03:46,020 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-21 09:03:46,021 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:46,022 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:46,022 INFO  L85        PathProgramCache]: Analyzing trace with hash 1107038948, now seen corresponding path program 1 times
[2022-11-21 09:03:46,022 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:46,023 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442668770]
[2022-11-21 09:03:46,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:46,023 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:46,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:46,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 361 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2022-11-21 09:03:46,691 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:46,691 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442668770]
[2022-11-21 09:03:46,691 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442668770] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:46,691 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:03:46,691 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-21 09:03:46,691 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710117718]
[2022-11-21 09:03:46,693 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:46,693 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-21 09:03:46,694 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:46,694 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-21 09:03:46,694 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2022-11-21 09:03:46,695 INFO  L87              Difference]: Start difference. First operand 838 states and 1043 transitions. Second operand  has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 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)
[2022-11-21 09:03:47,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:47,323 INFO  L93              Difference]: Finished difference Result 1590 states and 1995 transitions.
[2022-11-21 09:03:47,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-11-21 09:03:47,324 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 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 317
[2022-11-21 09:03:47,325 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:47,327 INFO  L225             Difference]: With dead ends: 1590
[2022-11-21 09:03:47,327 INFO  L226             Difference]: Without dead ends: 838
[2022-11-21 09:03:47,328 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
[2022-11-21 09:03:47,331 INFO  L413           NwaCegarLoop]: 9 mSDtfsCounter, 198 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:47,332 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 22 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:03:47,334 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 838 states.
[2022-11-21 09:03:47,347 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838.
[2022-11-21 09:03:47,349 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 838 states, 837 states have (on average 1.2413381123058542) internal successors, (1039), 837 states have internal predecessors, (1039), 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)
[2022-11-21 09:03:47,351 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1039 transitions.
[2022-11-21 09:03:47,352 INFO  L78                 Accepts]: Start accepts. Automaton has 838 states and 1039 transitions. Word has length 317
[2022-11-21 09:03:47,352 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:47,353 INFO  L495      AbstractCegarLoop]: Abstraction has 838 states and 1039 transitions.
[2022-11-21 09:03:47,354 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 36.42857142857143) internal successors, (255), 6 states have internal predecessors, (255), 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)
[2022-11-21 09:03:47,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 838 states and 1039 transitions.
[2022-11-21 09:03:47,362 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 354
[2022-11-21 09:03:47,363 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:47,364 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:03:47,364 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-21 09:03:47,364 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:47,365 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:47,366 INFO  L85        PathProgramCache]: Analyzing trace with hash -661333366, now seen corresponding path program 1 times
[2022-11-21 09:03:47,367 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:47,372 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079723493]
[2022-11-21 09:03:47,372 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:47,372 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:47,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:48,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 397 backedges. 352 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 09:03:48,027 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:48,028 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079723493]
[2022-11-21 09:03:48,028 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079723493] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:03:48,028 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963628319]
[2022-11-21 09:03:48,028 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:48,029 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:03:48,029 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:03:48,033 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:03:48,067 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-21 09:03:48,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:48,240 INFO  L263         TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:03:48,263 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:03:48,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 397 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2022-11-21 09:03:48,497 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:03:48,497 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [963628319] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:48,497 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:03:48,497 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2022-11-21 09:03:48,498 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76983997]
[2022-11-21 09:03:48,498 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:48,498 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:03:48,499 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:48,499 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:03:48,499 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-21 09:03:48,500 INFO  L87              Difference]: Start difference. First operand 838 states and 1039 transitions. Second operand  has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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)
[2022-11-21 09:03:49,083 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:49,083 INFO  L93              Difference]: Finished difference Result 2091 states and 2637 transitions.
[2022-11-21 09:03:49,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-21 09:03:49,084 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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 353
[2022-11-21 09:03:49,084 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:49,089 INFO  L225             Difference]: With dead ends: 2091
[2022-11-21 09:03:49,089 INFO  L226             Difference]: Without dead ends: 1394
[2022-11-21 09:03:49,090 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-21 09:03:49,091 INFO  L413           NwaCegarLoop]: 190 mSDtfsCounter, 26 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:49,092 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 195 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-21 09:03:49,093 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1394 states.
[2022-11-21 09:03:49,113 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394.
[2022-11-21 09:03:49,116 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1394 states, 1393 states have (on average 1.198851399856425) internal successors, (1670), 1393 states have internal predecessors, (1670), 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)
[2022-11-21 09:03:49,120 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1670 transitions.
[2022-11-21 09:03:49,120 INFO  L78                 Accepts]: Start accepts. Automaton has 1394 states and 1670 transitions. Word has length 353
[2022-11-21 09:03:49,121 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:49,121 INFO  L495      AbstractCegarLoop]: Abstraction has 1394 states and 1670 transitions.
[2022-11-21 09:03:49,121 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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)
[2022-11-21 09:03:49,121 INFO  L276                IsEmpty]: Start isEmpty. Operand 1394 states and 1670 transitions.
[2022-11-21 09:03:49,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 367
[2022-11-21 09:03:49,128 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:49,129 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:03:49,144 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-21 09:03:49,335 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2022-11-21 09:03:49,335 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:49,336 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:49,336 INFO  L85        PathProgramCache]: Analyzing trace with hash -72858450, now seen corresponding path program 1 times
[2022-11-21 09:03:49,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:49,336 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972508757]
[2022-11-21 09:03:49,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:49,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:49,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:50,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 423 backedges. 102 proven. 232 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked.
[2022-11-21 09:03:50,366 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:50,367 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972508757]
[2022-11-21 09:03:50,367 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972508757] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-21 09:03:50,369 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867042958]
[2022-11-21 09:03:50,369 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:50,369 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-21 09:03:50,369 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:03:50,371 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-21 09:03:50,390 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-21 09:03:50,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:50,547 INFO  L263         TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-21 09:03:50,557 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:03:50,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 423 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2022-11-21 09:03:50,645 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:03:50,646 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [867042958] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:50,646 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-21 09:03:50,646 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2022-11-21 09:03:50,646 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466078442]
[2022-11-21 09:03:50,646 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:50,647 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-21 09:03:50,647 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:50,648 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-21 09:03:50,649 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:03:50,649 INFO  L87              Difference]: Start difference. First operand 1394 states and 1670 transitions. Second operand  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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)
[2022-11-21 09:03:51,194 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:51,194 INFO  L93              Difference]: Finished difference Result 3064 states and 3736 transitions.
[2022-11-21 09:03:51,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-21 09:03:51,195 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 366
[2022-11-21 09:03:51,196 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:51,201 INFO  L225             Difference]: With dead ends: 3064
[2022-11-21 09:03:51,201 INFO  L226             Difference]: Without dead ends: 1811
[2022-11-21 09:03:51,203 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-21 09:03:51,204 INFO  L413           NwaCegarLoop]: 220 mSDtfsCounter, 89 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:51,204 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 225 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-21 09:03:51,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1811 states.
[2022-11-21 09:03:51,231 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672.
[2022-11-21 09:03:51,234 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1672 states, 1671 states have (on average 1.1807301017354876) internal successors, (1973), 1671 states have internal predecessors, (1973), 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)
[2022-11-21 09:03:51,239 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1973 transitions.
[2022-11-21 09:03:51,239 INFO  L78                 Accepts]: Start accepts. Automaton has 1672 states and 1973 transitions. Word has length 366
[2022-11-21 09:03:51,240 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:51,240 INFO  L495      AbstractCegarLoop]: Abstraction has 1672 states and 1973 transitions.
[2022-11-21 09:03:51,240 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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)
[2022-11-21 09:03:51,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 1672 states and 1973 transitions.
[2022-11-21 09:03:51,248 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 368
[2022-11-21 09:03:51,248 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:03:51,248 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:03:51,259 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-21 09:03:51,454 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2022-11-21 09:03:51,454 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:03:51,455 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:03:51,455 INFO  L85        PathProgramCache]: Analyzing trace with hash -68035747, now seen corresponding path program 1 times
[2022-11-21 09:03:51,455 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:03:51,455 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21061117]
[2022-11-21 09:03:51,456 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:03:51,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:03:51,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:03:52,307 INFO  L134       CoverageAnalysis]: Checked inductivity of 423 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2022-11-21 09:03:52,307 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:03:52,307 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21061117]
[2022-11-21 09:03:52,307 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21061117] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:03:52,307 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:03:52,308 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-21 09:03:52,308 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594143649]
[2022-11-21 09:03:52,308 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:03:52,309 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-21 09:03:52,309 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:03:52,309 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-21 09:03:52,309 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:03:52,310 INFO  L87              Difference]: Start difference. First operand 1672 states and 1973 transitions. Second operand  has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 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)
[2022-11-21 09:03:52,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:03:52,714 INFO  L93              Difference]: Finished difference Result 3068 states and 3617 transitions.
[2022-11-21 09:03:52,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-21 09:03:52,715 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 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 367
[2022-11-21 09:03:52,715 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:03:52,715 INFO  L225             Difference]: With dead ends: 3068
[2022-11-21 09:03:52,716 INFO  L226             Difference]: Without dead ends: 0
[2022-11-21 09:03:52,720 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 09:03:52,721 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 90 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-21 09:03:52,721 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 12 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-21 09:03:52,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-21 09:03:52,722 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-21 09:03:52,722 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)
[2022-11-21 09:03:52,722 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-21 09:03:52,722 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 367
[2022-11-21 09:03:52,722 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:03:52,723 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-21 09:03:52,723 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 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)
[2022-11-21 09:03:52,723 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-21 09:03:52,723 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-21 09:03:52,726 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-21 09:03:52,726 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-21 09:03:52,729 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,940 INFO  L899   garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,941 INFO  L899   garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed.
[2022-11-21 09:03:52,942 INFO  L899   garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,943 INFO  L899   garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,944 INFO  L899   garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed.
[2022-11-21 09:03:52,945 INFO  L899   garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,946 INFO  L899   garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,951 INFO  L899   garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,951 INFO  L899   garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,951 INFO  L899   garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,952 INFO  L899   garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,952 INFO  L899   garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed.
[2022-11-21 09:03:52,952 INFO  L899   garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed.
[2022-11-21 09:03:52,952 INFO  L899   garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed.
[2022-11-21 09:03:52,952 INFO  L899   garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed.
[2022-11-21 09:03:52,952 INFO  L899   garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed.
[2022-11-21 09:03:52,952 INFO  L899   garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,953 INFO  L899   garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,953 INFO  L899   garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,953 INFO  L899   garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,953 INFO  L899   garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,953 INFO  L899   garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,953 INFO  L899   garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,953 INFO  L899   garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,954 INFO  L899   garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,954 INFO  L899   garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,954 INFO  L899   garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,954 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-21 09:03:52,954 INFO  L899   garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed.
[2022-11-21 09:03:52,954 INFO  L899   garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed.
[2022-11-21 09:03:52,954 INFO  L899   garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed.
[2022-11-21 09:03:52,955 INFO  L899   garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed.
[2022-11-21 09:03:52,955 INFO  L899   garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2022-11-21 09:03:52,955 INFO  L895   garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 (<= (+ ~a1~0 551894) 0) .cse1) (and (not (= ~a19~0 6)) .cse0 .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and (<= 4 ~a10~0) .cse0 .cse1)))
[2022-11-21 09:03:52,955 INFO  L899   garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,955 INFO  L899   garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,956 INFO  L899   garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,956 INFO  L899   garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,956 INFO  L899   garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,956 INFO  L899   garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed.
[2022-11-21 09:03:52,957 INFO  L899   garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed.
[2022-11-21 09:03:52,958 INFO  L899   garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed.
[2022-11-21 09:03:52,958 INFO  L899   garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed.
[2022-11-21 09:03:52,958 INFO  L899   garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed.
[2022-11-21 09:03:52,958 INFO  L899   garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,958 INFO  L899   garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,958 INFO  L902   garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true
[2022-11-21 09:03:52,958 INFO  L899   garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,959 INFO  L899   garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,959 INFO  L899   garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,960 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-21 09:03:52,960 INFO  L899   garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,960 INFO  L899   garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,960 INFO  L899   garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,960 INFO  L899   garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,960 INFO  L899   garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,961 INFO  L899   garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed.
[2022-11-21 09:03:52,961 INFO  L899   garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed.
[2022-11-21 09:03:52,961 INFO  L899   garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed.
[2022-11-21 09:03:52,961 INFO  L899   garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2022-11-21 09:03:52,961 INFO  L899   garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed.
[2022-11-21 09:03:52,961 INFO  L899   garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,961 INFO  L899   garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,962 INFO  L899   garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,962 INFO  L899   garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,962 INFO  L899   garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,962 INFO  L899   garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,962 INFO  L899   garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,962 INFO  L899   garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,962 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-21 09:03:52,963 INFO  L899   garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,963 INFO  L899   garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,963 INFO  L899   garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,963 INFO  L899   garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,963 INFO  L899   garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,963 INFO  L899   garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed.
[2022-11-21 09:03:52,963 INFO  L899   garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed.
[2022-11-21 09:03:52,964 INFO  L899   garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed.
[2022-11-21 09:03:52,964 INFO  L899   garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed.
[2022-11-21 09:03:52,964 INFO  L899   garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed.
[2022-11-21 09:03:52,964 INFO  L899   garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,964 INFO  L899   garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,964 INFO  L899   garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,965 INFO  L895   garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 (<= (+ ~a1~0 551894) 0) .cse1) (and (not (= ~a19~0 6)) .cse0 .cse1) (and (= ~a10~0 3) .cse0 .cse1) (and (<= 4 ~a10~0) .cse0 .cse1)))
[2022-11-21 09:03:52,966 INFO  L899   garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,966 INFO  L899   garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,966 INFO  L899   garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,966 INFO  L899   garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,966 INFO  L899   garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,966 INFO  L899   garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed.
[2022-11-21 09:03:52,966 INFO  L899   garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,967 INFO  L899   garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,967 INFO  L899   garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,967 INFO  L899   garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,967 INFO  L899   garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,967 INFO  L899   garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed.
[2022-11-21 09:03:52,967 INFO  L899   garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed.
[2022-11-21 09:03:52,967 INFO  L899   garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed.
[2022-11-21 09:03:52,968 INFO  L899   garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed.
[2022-11-21 09:03:52,968 INFO  L899   garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed.
[2022-11-21 09:03:52,968 INFO  L899   garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2022-11-21 09:03:52,968 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-21 09:03:52,970 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed.
[2022-11-21 09:03:52,971 INFO  L899   garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,971 INFO  L899   garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,971 INFO  L899   garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,971 INFO  L899   garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,971 INFO  L899   garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,971 INFO  L899   garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,971 INFO  L899   garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,972 INFO  L899   garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,972 INFO  L899   garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,972 INFO  L899   garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed.
[2022-11-21 09:03:52,972 INFO  L899   garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,972 INFO  L899   garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,972 INFO  L899   garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed.
[2022-11-21 09:03:52,972 INFO  L899   garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed.
[2022-11-21 09:03:52,973 INFO  L899   garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed.
[2022-11-21 09:03:52,973 INFO  L899   garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed.
[2022-11-21 09:03:52,973 INFO  L899   garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed.
[2022-11-21 09:03:52,973 INFO  L899   garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed.
[2022-11-21 09:03:52,973 INFO  L899   garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed.
[2022-11-21 09:03:52,976 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:03:52,980 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-21 09:03:53,004 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:53 BoogieIcfgContainer
[2022-11-21 09:03:53,004 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-21 09:03:53,014 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-21 09:03:53,014 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-21 09:03:53,014 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-21 09:03:53,015 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:40" (3/4) ...
[2022-11-21 09:03:53,018 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-21 09:03:53,042 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-21 09:03:53,043 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-21 09:03:53,043 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-21 09:03:53,044 INFO  L915   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-21 09:03:53,161 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/witness.graphml
[2022-11-21 09:03:53,162 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-21 09:03:53,162 INFO  L158              Benchmark]: Toolchain (without parser) took 14838.58ms. Allocated memory was 151.0MB in the beginning and 341.8MB in the end (delta: 190.8MB). Free memory was 119.7MB in the beginning and 174.7MB in the end (delta: -55.0MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB.
[2022-11-21 09:03:53,162 INFO  L158              Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 09:03:53,163 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 629.14ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 91.5MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2022-11-21 09:03:53,163 INFO  L158              Benchmark]: Boogie Procedure Inliner took 108.25ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 83.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-21 09:03:53,164 INFO  L158              Benchmark]: Boogie Preprocessor took 76.00ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 78.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-21 09:03:53,164 INFO  L158              Benchmark]: RCFGBuilder took 1389.22ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 78.4MB in the beginning and 87.8MB in the end (delta: -9.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB.
[2022-11-21 09:03:53,165 INFO  L158              Benchmark]: TraceAbstraction took 12472.62ms. Allocated memory was 192.9MB in the beginning and 341.8MB in the end (delta: 148.9MB). Free memory was 87.8MB in the beginning and 185.2MB in the end (delta: -97.4MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB.
[2022-11-21 09:03:53,166 INFO  L158              Benchmark]: Witness Printer took 148.08ms. Allocated memory is still 341.8MB. Free memory was 184.2MB in the beginning and 174.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-21 09:03:53,168 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 629.14ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 91.5MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 108.25ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 83.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 76.00ms. Allocated memory is still 151.0MB. Free memory was 83.2MB in the beginning and 78.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1389.22ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 78.4MB in the beginning and 87.8MB in the end (delta: -9.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 12472.62ms. Allocated memory was 192.9MB in the beginning and 341.8MB in the end (delta: 148.9MB). Free memory was 87.8MB in the beginning and 185.2MB in the end (delta: -97.4MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB.
 * Witness Printer took 148.08ms. Allocated memory is still 341.8MB. Free memory was 184.2MB in the beginning and 174.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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: 173]: 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: 12.4s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1088 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1088 mSDsluCounter, 973 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 626 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3597 IncrementalHoareTripleChecker+Invalid, 4223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 626 mSolverCounterUnsat, 919 mSDtfsCounter, 3597 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 750 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=7, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 278 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 32 NumberOfFragments, 95 HoareAnnotationTreeSize, 3 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 376 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2957 NumberOfCodeBlocks, 2957 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2947 ConstructedInterpolants, 0 QuantifiedInterpolants, 12789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1001 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2829/3106 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 == 0 && 14 == a4) && a1 + 551894 <= 0) && a12 == 0) || ((!(a19 == 6) && 14 == a4) && a12 == 0)) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((4 <= a10 && 14 == a4) && a12 == 0)
  - InvariantResult [Line: 30]: Loop Invariant
    Derived loop invariant: (((((a10 == 0 && 14 == a4) && a1 + 551894 <= 0) && a12 == 0) || ((!(a19 == 6) && 14 == a4) && a12 == 0)) || ((a10 == 3 && 14 == a4) && a12 == 0)) || ((4 <= a10 && 14 == a4) && a12 == 0)
  - InvariantResult [Line: 586]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-21 09:03:53,207 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d76a1b-4846-4cdf-a8e6-99dd3deed1ab/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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