./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD --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 6a1d98a51bcc97ee19e0458934f0b894e85cf8f8042e38117bf0e9bc0c63c9ce
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:37:43,467 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:37:43,471 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:37:43,539 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:37:43,540 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:37:43,546 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:37:43,548 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:37:43,553 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:37:43,556 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:37:43,564 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:37:43,566 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:37:43,568 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:37:43,569 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:37:43,572 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:37:43,574 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:37:43,583 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:37:43,586 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:37:43,588 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:37:43,591 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:37:43,598 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:37:43,602 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:37:43,603 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:37:43,607 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:37:43,608 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:37:43,615 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:37:43,615 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:37:43,616 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:37:43,618 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:37:43,619 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:37:43,621 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:37:43,621 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:37:43,622 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:37:43,625 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:37:43,626 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:37:43,628 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:37:43,628 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:37:43,629 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:37:43,629 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:37:43,630 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:37:43,631 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:37:43,632 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:37:43,633 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-28 23:37:43,684 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:37:43,684 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:37:43,685 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:37:43,685 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:37:43,693 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:37:43,694 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:37:43,694 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:37:43,694 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:37:43,695 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 23:37:43,695 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:37:43,696 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 23:37:43,696 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:37:43,697 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:37:43,697 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:37:43,697 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:37:43,697 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 23:37:43,698 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 23:37:43,698 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:37:43,698 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:37:43,699 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:37:43,699 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:37:43,699 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-28 23:37:43,699 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:37:43,700 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:37:43,700 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:37:43,700 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:37:43,700 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:37:43,701 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:37:43,701 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-28 23:37:43,701 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 23:37:43,701 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:37:43,702 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:37:43,702 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_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/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_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD
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 -> 6a1d98a51bcc97ee19e0458934f0b894e85cf8f8042e38117bf0e9bc0c63c9ce
[2021-10-28 23:37:44,004 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:37:44,046 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:37:44,049 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:37:44,052 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:37:44,053 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:37:44,054 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c
[2021-10-28 23:37:44,147 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/data/3ae8a5f89/b647a8a12b8145f6987a4ef57e01cef9/FLAG42476e753
[2021-10-28 23:37:44,928 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:37:44,931 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/sv-benchmarks/c/eca-rers2012/Problem02_label42.c
[2021-10-28 23:37:44,943 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/data/3ae8a5f89/b647a8a12b8145f6987a4ef57e01cef9/FLAG42476e753
[2021-10-28 23:37:45,119 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/data/3ae8a5f89/b647a8a12b8145f6987a4ef57e01cef9
[2021-10-28 23:37:45,124 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:37:45,126 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:37:45,129 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:37:45,129 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:37:45,134 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:37:45,135 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,137 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db5a79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45, skipping insertion in model container
[2021-10-28 23:37:45,138 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,145 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:37:45,205 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:37:45,607 WARN  L228   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_23fb4643-28c1-4291-97ec-c068c6e403cf/sv-benchmarks/c/eca-rers2012/Problem02_label42.c[16787,16800]
[2021-10-28 23:37:45,634 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:37:45,653 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:37:45,734 WARN  L228   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_23fb4643-28c1-4291-97ec-c068c6e403cf/sv-benchmarks/c/eca-rers2012/Problem02_label42.c[16787,16800]
[2021-10-28 23:37:45,749 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:37:45,771 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:37:45,771 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45 WrapperNode
[2021-10-28 23:37:45,771 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:37:45,773 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:37:45,773 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:37:45,773 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:37:45,782 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,818 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,895 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:37:45,896 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:37:45,896 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:37:45,896 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:37:45,905 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,906 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,910 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,911 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,946 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,958 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,966 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:45,975 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:37:45,977 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:37:45,977 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:37:45,977 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:37:45,978 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (1/1) ...
[2021-10-28 23:37:46,002 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:37:46,014 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:37:46,027 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:37:46,042 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:37:46,087 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:37:46,087 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:37:46,087 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:37:46,088 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:37:47,458 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:37:47,458 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-28 23:37:47,462 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:47 BoogieIcfgContainer
[2021-10-28 23:37:47,462 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:37:47,467 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:37:47,467 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:37:47,471 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:37:47,472 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:37:45" (1/3) ...
[2021-10-28 23:37:47,474 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6eaa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:37:47, skipping insertion in model container
[2021-10-28 23:37:47,474 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:45" (2/3) ...
[2021-10-28 23:37:47,474 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6eaa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:37:47, skipping insertion in model container
[2021-10-28 23:37:47,475 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:47" (3/3) ...
[2021-10-28 23:37:47,479 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem02_label42.c
[2021-10-28 23:37:47,486 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:37:47,486 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-28 23:37:47,550 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:37:47,557 INFO  L339      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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 23:37:47,557 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-28 23:37:47,581 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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)
[2021-10-28 23:37:47,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2021-10-28 23:37:47,592 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:47,592 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:47,593 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:47,597 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:47,598 INFO  L85        PathProgramCache]: Analyzing trace with hash 499493077, now seen corresponding path program 1 times
[2021-10-28 23:37:47,607 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:47,608 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552816742]
[2021-10-28 23:37:47,608 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:47,609 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:47,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:48,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:37:48,138 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:48,138 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552816742]
[2021-10-28 23:37:48,139 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552816742] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:48,140 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:48,140 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:37:48,153 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954164909]
[2021-10-28 23:37:48,159 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:48,159 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:48,182 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:48,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:48,191 INFO  L87              Difference]: Start difference. First operand  has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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)
[2021-10-28 23:37:49,036 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:49,037 INFO  L93              Difference]: Finished difference Result 600 states and 1037 transitions.
[2021-10-28 23:37:49,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:49,039 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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 100
[2021-10-28 23:37:49,040 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:49,068 INFO  L225             Difference]: With dead ends: 600
[2021-10-28 23:37:49,068 INFO  L226             Difference]: Without dead ends: 309
[2021-10-28 23:37:49,077 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:49,098 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 309 states.
[2021-10-28 23:37:49,157 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307.
[2021-10-28 23:37:49,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 states have internal predecessors, (407), 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)
[2021-10-28 23:37:49,163 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions.
[2021-10-28 23:37:49,165 INFO  L78                 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 100
[2021-10-28 23:37:49,166 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:49,167 INFO  L470      AbstractCegarLoop]: Abstraction has 307 states and 407 transitions.
[2021-10-28 23:37:49,168 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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)
[2021-10-28 23:37:49,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions.
[2021-10-28 23:37:49,178 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2021-10-28 23:37:49,178 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:49,179 INFO  L513         BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:49,179 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:37:49,180 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:49,183 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:49,184 INFO  L85        PathProgramCache]: Analyzing trace with hash -1323076000, now seen corresponding path program 1 times
[2021-10-28 23:37:49,184 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:49,184 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011304674]
[2021-10-28 23:37:49,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:49,185 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:49,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:49,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:37:49,412 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:49,412 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011304674]
[2021-10-28 23:37:49,413 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011304674] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:49,413 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:49,413 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:37:49,413 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073706711]
[2021-10-28 23:37:49,415 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:49,415 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:49,416 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:49,416 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:49,417 INFO  L87              Difference]: Start difference. First operand 307 states and 407 transitions. Second operand  has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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)
[2021-10-28 23:37:50,006 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:50,007 INFO  L93              Difference]: Finished difference Result 758 states and 1034 transitions.
[2021-10-28 23:37:50,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:50,007 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 105
[2021-10-28 23:37:50,008 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:50,011 INFO  L225             Difference]: With dead ends: 758
[2021-10-28 23:37:50,011 INFO  L226             Difference]: Without dead ends: 453
[2021-10-28 23:37:50,013 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:50,014 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 453 states.
[2021-10-28 23:37:50,044 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453.
[2021-10-28 23:37:50,045 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 453 states, 452 states have (on average 1.2787610619469028) internal successors, (578), 452 states have internal predecessors, (578), 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)
[2021-10-28 23:37:50,047 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions.
[2021-10-28 23:37:50,047 INFO  L78                 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 105
[2021-10-28 23:37:50,048 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:50,048 INFO  L470      AbstractCegarLoop]: Abstraction has 453 states and 578 transitions.
[2021-10-28 23:37:50,048 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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)
[2021-10-28 23:37:50,048 INFO  L276                IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions.
[2021-10-28 23:37:50,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2021-10-28 23:37:50,051 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:50,051 INFO  L513         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:50,051 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-28 23:37:50,052 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:50,052 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:50,052 INFO  L85        PathProgramCache]: Analyzing trace with hash 396760741, now seen corresponding path program 1 times
[2021-10-28 23:37:50,053 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:50,053 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71720833]
[2021-10-28 23:37:50,053 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:50,054 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:50,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:50,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:37:50,111 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:50,111 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71720833]
[2021-10-28 23:37:50,112 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71720833] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:50,112 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:50,112 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:37:50,112 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560378460]
[2021-10-28 23:37:50,113 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:50,113 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:50,114 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:50,114 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:50,115 INFO  L87              Difference]: Start difference. First operand 453 states and 578 transitions. Second operand  has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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)
[2021-10-28 23:37:50,617 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:50,617 INFO  L93              Difference]: Finished difference Result 1325 states and 1691 transitions.
[2021-10-28 23:37:50,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:50,618 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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 117
[2021-10-28 23:37:50,618 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:50,624 INFO  L225             Difference]: With dead ends: 1325
[2021-10-28 23:37:50,624 INFO  L226             Difference]: Without dead ends: 874
[2021-10-28 23:37:50,625 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:50,627 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 874 states.
[2021-10-28 23:37:50,657 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874.
[2021-10-28 23:37:50,682 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 874 states, 873 states have (on average 1.2302405498281788) internal successors, (1074), 873 states have internal predecessors, (1074), 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)
[2021-10-28 23:37:50,686 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions.
[2021-10-28 23:37:50,686 INFO  L78                 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 117
[2021-10-28 23:37:50,686 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:50,687 INFO  L470      AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions.
[2021-10-28 23:37:50,687 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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)
[2021-10-28 23:37:50,687 INFO  L276                IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions.
[2021-10-28 23:37:50,690 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 131
[2021-10-28 23:37:50,690 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:50,691 INFO  L513         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:50,691 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-28 23:37:50,691 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:50,692 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:50,693 INFO  L85        PathProgramCache]: Analyzing trace with hash 279909752, now seen corresponding path program 1 times
[2021-10-28 23:37:50,693 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:50,693 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376405660]
[2021-10-28 23:37:50,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:50,694 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:50,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:50,811 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:37:50,812 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:50,812 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376405660]
[2021-10-28 23:37:50,812 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376405660] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:50,813 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:50,813 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:37:50,813 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314731590]
[2021-10-28 23:37:50,814 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:50,814 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:50,815 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:50,816 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:50,816 INFO  L87              Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand  has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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)
[2021-10-28 23:37:51,299 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:51,300 INFO  L93              Difference]: Finished difference Result 2594 states and 3192 transitions.
[2021-10-28 23:37:51,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:51,300 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 130
[2021-10-28 23:37:51,303 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:51,316 INFO  L225             Difference]: With dead ends: 2594
[2021-10-28 23:37:51,316 INFO  L226             Difference]: Without dead ends: 1722
[2021-10-28 23:37:51,319 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:51,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1722 states.
[2021-10-28 23:37:51,398 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1716.
[2021-10-28 23:37:51,401 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1716 states, 1715 states have (on average 1.1900874635568512) internal successors, (2041), 1715 states have internal predecessors, (2041), 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)
[2021-10-28 23:37:51,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2041 transitions.
[2021-10-28 23:37:51,409 INFO  L78                 Accepts]: Start accepts. Automaton has 1716 states and 2041 transitions. Word has length 130
[2021-10-28 23:37:51,409 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:51,410 INFO  L470      AbstractCegarLoop]: Abstraction has 1716 states and 2041 transitions.
[2021-10-28 23:37:51,410 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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)
[2021-10-28 23:37:51,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 1716 states and 2041 transitions.
[2021-10-28 23:37:51,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2021-10-28 23:37:51,415 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:51,415 INFO  L513         BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:51,415 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-28 23:37:51,416 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:51,416 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:51,417 INFO  L85        PathProgramCache]: Analyzing trace with hash -266021720, now seen corresponding path program 1 times
[2021-10-28 23:37:51,417 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:51,417 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51446271]
[2021-10-28 23:37:51,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:51,418 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:51,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:51,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-10-28 23:37:51,477 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:51,477 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51446271]
[2021-10-28 23:37:51,478 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51446271] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:51,478 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:51,478 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:37:51,479 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814456535]
[2021-10-28 23:37:51,479 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:51,479 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:51,480 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:51,480 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:51,481 INFO  L87              Difference]: Start difference. First operand 1716 states and 2041 transitions. Second operand  has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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)
[2021-10-28 23:37:51,983 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:51,984 INFO  L93              Difference]: Finished difference Result 3852 states and 4554 transitions.
[2021-10-28 23:37:51,987 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:51,988 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 146
[2021-10-28 23:37:51,988 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:51,998 INFO  L225             Difference]: With dead ends: 3852
[2021-10-28 23:37:51,999 INFO  L226             Difference]: Without dead ends: 1856
[2021-10-28 23:37:52,001 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:52,004 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1856 states.
[2021-10-28 23:37:52,041 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1854.
[2021-10-28 23:37:52,045 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1854 states, 1853 states have (on average 1.119805720453319) internal successors, (2075), 1853 states have internal predecessors, (2075), 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)
[2021-10-28 23:37:52,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 2075 transitions.
[2021-10-28 23:37:52,053 INFO  L78                 Accepts]: Start accepts. Automaton has 1854 states and 2075 transitions. Word has length 146
[2021-10-28 23:37:52,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:52,053 INFO  L470      AbstractCegarLoop]: Abstraction has 1854 states and 2075 transitions.
[2021-10-28 23:37:52,054 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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)
[2021-10-28 23:37:52,054 INFO  L276                IsEmpty]: Start isEmpty. Operand 1854 states and 2075 transitions.
[2021-10-28 23:37:52,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2021-10-28 23:37:52,059 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:52,060 INFO  L513         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:52,060 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-28 23:37:52,060 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:52,061 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:52,061 INFO  L85        PathProgramCache]: Analyzing trace with hash -398781840, now seen corresponding path program 1 times
[2021-10-28 23:37:52,061 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:52,062 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639550903]
[2021-10-28 23:37:52,062 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:52,062 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:52,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:52,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:37:52,212 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:52,212 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639550903]
[2021-10-28 23:37:52,212 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639550903] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:52,212 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:52,213 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:37:52,213 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941213877]
[2021-10-28 23:37:52,215 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:52,217 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:52,218 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:52,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:52,219 INFO  L87              Difference]: Start difference. First operand 1854 states and 2075 transitions. Second operand  has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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)
[2021-10-28 23:37:52,748 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:52,749 INFO  L93              Difference]: Finished difference Result 4127 states and 4671 transitions.
[2021-10-28 23:37:52,749 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:52,750 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 147
[2021-10-28 23:37:52,750 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:52,772 INFO  L225             Difference]: With dead ends: 4127
[2021-10-28 23:37:52,772 INFO  L226             Difference]: Without dead ends: 2275
[2021-10-28 23:37:52,777 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:52,780 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2275 states.
[2021-10-28 23:37:52,832 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2274.
[2021-10-28 23:37:52,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2274 states, 2273 states have (on average 1.1139463264408271) internal successors, (2532), 2273 states have internal predecessors, (2532), 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)
[2021-10-28 23:37:52,845 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 2532 transitions.
[2021-10-28 23:37:52,846 INFO  L78                 Accepts]: Start accepts. Automaton has 2274 states and 2532 transitions. Word has length 147
[2021-10-28 23:37:52,846 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:52,846 INFO  L470      AbstractCegarLoop]: Abstraction has 2274 states and 2532 transitions.
[2021-10-28 23:37:52,847 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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)
[2021-10-28 23:37:52,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 2274 states and 2532 transitions.
[2021-10-28 23:37:52,852 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2021-10-28 23:37:52,852 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:52,853 INFO  L513         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:52,853 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-28 23:37:52,853 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:52,854 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:52,854 INFO  L85        PathProgramCache]: Analyzing trace with hash 770816786, now seen corresponding path program 1 times
[2021-10-28 23:37:52,854 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:52,860 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886654996]
[2021-10-28 23:37:52,860 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:52,860 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:52,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:52,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2021-10-28 23:37:52,923 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:52,923 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886654996]
[2021-10-28 23:37:52,923 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886654996] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:52,924 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:52,924 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:37:52,924 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158423514]
[2021-10-28 23:37:52,925 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:52,925 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:52,925 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:52,926 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:52,926 INFO  L87              Difference]: Start difference. First operand 2274 states and 2532 transitions. Second operand  has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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)
[2021-10-28 23:37:53,226 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:53,226 INFO  L93              Difference]: Finished difference Result 4111 states and 4568 transitions.
[2021-10-28 23:37:53,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:53,227 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 160
[2021-10-28 23:37:53,227 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:53,237 INFO  L225             Difference]: With dead ends: 4111
[2021-10-28 23:37:53,237 INFO  L226             Difference]: Without dead ends: 1697
[2021-10-28 23:37:53,241 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:53,243 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1697 states.
[2021-10-28 23:37:53,278 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1697.
[2021-10-28 23:37:53,281 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1697 states, 1696 states have (on average 1.067806603773585) internal successors, (1811), 1696 states have internal predecessors, (1811), 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)
[2021-10-28 23:37:53,289 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1811 transitions.
[2021-10-28 23:37:53,289 INFO  L78                 Accepts]: Start accepts. Automaton has 1697 states and 1811 transitions. Word has length 160
[2021-10-28 23:37:53,290 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:53,290 INFO  L470      AbstractCegarLoop]: Abstraction has 1697 states and 1811 transitions.
[2021-10-28 23:37:53,290 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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)
[2021-10-28 23:37:53,290 INFO  L276                IsEmpty]: Start isEmpty. Operand 1697 states and 1811 transitions.
[2021-10-28 23:37:53,295 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2021-10-28 23:37:53,295 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:53,295 INFO  L513         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:53,296 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-28 23:37:53,296 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:53,296 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:53,296 INFO  L85        PathProgramCache]: Analyzing trace with hash -1025198346, now seen corresponding path program 1 times
[2021-10-28 23:37:53,297 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:53,297 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987604495]
[2021-10-28 23:37:53,297 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:53,297 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:53,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:53,408 INFO  L134       CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2021-10-28 23:37:53,409 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:53,409 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987604495]
[2021-10-28 23:37:53,409 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987604495] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:53,409 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:37:53,410 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:37:53,410 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813200522]
[2021-10-28 23:37:53,410 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:53,411 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:53,411 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:53,411 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:37:53,412 INFO  L87              Difference]: Start difference. First operand 1697 states and 1811 transitions. Second operand  has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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)
[2021-10-28 23:37:53,822 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:53,822 INFO  L93              Difference]: Finished difference Result 3812 states and 4074 transitions.
[2021-10-28 23:37:53,823 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:53,823 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 194
[2021-10-28 23:37:53,823 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:53,830 INFO  L225             Difference]: With dead ends: 3812
[2021-10-28 23:37:53,830 INFO  L226             Difference]: Without dead ends: 1134
[2021-10-28 23:37:53,833 INFO  L786         BasicCegarLoop]: 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
[2021-10-28 23:37:53,835 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1134 states.
[2021-10-28 23:37:53,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1134.
[2021-10-28 23:37:53,883 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1134 states, 1133 states have (on average 1.0467784642541924) internal successors, (1186), 1133 states have internal predecessors, (1186), 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)
[2021-10-28 23:37:53,887 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1186 transitions.
[2021-10-28 23:37:53,887 INFO  L78                 Accepts]: Start accepts. Automaton has 1134 states and 1186 transitions. Word has length 194
[2021-10-28 23:37:53,887 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:53,888 INFO  L470      AbstractCegarLoop]: Abstraction has 1134 states and 1186 transitions.
[2021-10-28 23:37:53,888 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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)
[2021-10-28 23:37:53,888 INFO  L276                IsEmpty]: Start isEmpty. Operand 1134 states and 1186 transitions.
[2021-10-28 23:37:53,892 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2021-10-28 23:37:53,893 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:37:53,893 INFO  L513         BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:53,893 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-28 23:37:53,893 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-28 23:37:53,894 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:37:53,894 INFO  L85        PathProgramCache]: Analyzing trace with hash -409226142, now seen corresponding path program 1 times
[2021-10-28 23:37:53,894 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:37:53,894 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546927093]
[2021-10-28 23:37:53,895 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:53,895 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:37:53,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:54,083 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 88 proven. 106 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-10-28 23:37:54,084 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:37:54,084 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546927093]
[2021-10-28 23:37:54,084 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546927093] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-28 23:37:54,084 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254848652]
[2021-10-28 23:37:54,085 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:37:54,085 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:37:54,085 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:37:54,091 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:37:54,124 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-10-28 23:37:54,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:37:54,243 INFO  L263         TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-28 23:37:54,271 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:37:55,129 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked.
[2021-10-28 23:37:55,129 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254848652] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:37:55,130 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-28 23:37:55,130 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2021-10-28 23:37:55,130 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569699536]
[2021-10-28 23:37:55,131 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:37:55,133 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:37:55,133 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:37:55,134 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:37:55,135 INFO  L87              Difference]: Start difference. First operand 1134 states and 1186 transitions. Second operand  has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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)
[2021-10-28 23:37:55,328 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:37:55,328 INFO  L93              Difference]: Finished difference Result 1134 states and 1186 transitions.
[2021-10-28 23:37:55,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:37:55,329 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 237
[2021-10-28 23:37:55,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:37:55,330 INFO  L225             Difference]: With dead ends: 1134
[2021-10-28 23:37:55,330 INFO  L226             Difference]: Without dead ends: 0
[2021-10-28 23:37:55,331 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:37:55,331 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-28 23:37:55,331 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-28 23:37:55,331 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)
[2021-10-28 23:37:55,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-28 23:37:55,332 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237
[2021-10-28 23:37:55,332 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:37:55,332 INFO  L470      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-28 23:37:55,333 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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)
[2021-10-28 23:37:55,333 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-28 23:37:55,333 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-28 23:37:55,335 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-28 23:37:55,378 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-10-28 23:37:55,559 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:37:55,561 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-28 23:37:55,566 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:37:55,588 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:37:55,589 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms
[2021-10-28 23:37:55,827 INFO  L857   garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,827 INFO  L857   garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,827 INFO  L857   garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,827 INFO  L857   garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,828 INFO  L857   garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed.
[2021-10-28 23:37:55,829 INFO  L857   garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed.
[2021-10-28 23:37:55,830 INFO  L857   garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed.
[2021-10-28 23:37:55,831 INFO  L857   garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,832 INFO  L857   garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,833 INFO  L857   garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,834 INFO  L857   garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,835 INFO  L857   garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed.
[2021-10-28 23:37:55,835 INFO  L857   garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed.
[2021-10-28 23:37:55,835 INFO  L857   garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed.
[2021-10-28 23:37:55,835 INFO  L857   garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed.
[2021-10-28 23:37:55,835 INFO  L857   garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed.
[2021-10-28 23:37:55,835 INFO  L857   garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed.
[2021-10-28 23:37:55,837 INFO  L857   garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed.
[2021-10-28 23:37:55,837 INFO  L857   garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,837 INFO  L857   garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,837 INFO  L857   garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,837 INFO  L857   garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,838 INFO  L857   garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,838 INFO  L857   garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,838 INFO  L857   garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed.
[2021-10-28 23:37:55,838 INFO  L857   garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed.
[2021-10-28 23:37:55,838 INFO  L857   garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed.
[2021-10-28 23:37:55,838 INFO  L857   garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,838 INFO  L857   garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,839 INFO  L857   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-28 23:37:55,839 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 482) no Hoare annotation was computed.
[2021-10-28 23:37:55,839 INFO  L857   garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,839 INFO  L857   garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,839 INFO  L857   garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,839 INFO  L857   garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,840 INFO  L857   garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,840 INFO  L857   garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed.
[2021-10-28 23:37:55,840 INFO  L857   garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed.
[2021-10-28 23:37:55,840 INFO  L857   garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed.
[2021-10-28 23:37:55,840 INFO  L857   garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,840 INFO  L857   garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,840 INFO  L857   garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,841 INFO  L857   garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,841 INFO  L857   garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,841 INFO  L857   garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,841 INFO  L857   garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed.
[2021-10-28 23:37:55,841 INFO  L857   garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed.
[2021-10-28 23:37:55,841 INFO  L857   garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed.
[2021-10-28 23:37:55,841 INFO  L857   garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,842 INFO  L857   garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,842 INFO  L857   garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,842 INFO  L857   garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,842 INFO  L857   garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,842 INFO  L857   garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,842 INFO  L857   garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed.
[2021-10-28 23:37:55,842 INFO  L857   garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed.
[2021-10-28 23:37:55,843 INFO  L857   garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed.
[2021-10-28 23:37:55,843 INFO  L857   garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,843 INFO  L857   garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,843 INFO  L857   garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed.
[2021-10-28 23:37:55,843 INFO  L857   garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed.
[2021-10-28 23:37:55,843 INFO  L857   garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,843 INFO  L857   garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,844 INFO  L857   garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed.
[2021-10-28 23:37:55,844 INFO  L857   garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,844 INFO  L857   garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,844 INFO  L857   garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,844 INFO  L857   garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed.
[2021-10-28 23:37:55,844 INFO  L857   garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed.
[2021-10-28 23:37:55,844 INFO  L857   garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed.
[2021-10-28 23:37:55,845 INFO  L857   garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,845 INFO  L857   garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,845 INFO  L857   garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed.
[2021-10-28 23:37:55,845 INFO  L857   garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed.
[2021-10-28 23:37:55,845 INFO  L857   garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,846 INFO  L853   garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse2 (= ~a19~0 1)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse6 (= ~a11~0 1)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 10 ~a28~0) .cse4 .cse2) (and .cse5 .cse0 .cse1 .cse2) (and .cse1 (<= ~a11~0 0) .cse4) (and .cse5 .cse6 .cse1 .cse4) (and .cse6 .cse1 .cse3)))
[2021-10-28 23:37:55,846 INFO  L857   garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,846 INFO  L857   garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,846 INFO  L857   garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,846 INFO  L857   garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed.
[2021-10-28 23:37:55,846 INFO  L857   garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed.
[2021-10-28 23:37:55,847 INFO  L857   garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,847 INFO  L857   garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed.
[2021-10-28 23:37:55,847 INFO  L857   garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed.
[2021-10-28 23:37:55,847 INFO  L860   garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true
[2021-10-28 23:37:55,847 INFO  L857   garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,847 INFO  L857   garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,848 INFO  L857   garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,848 INFO  L857   garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed.
[2021-10-28 23:37:55,848 INFO  L857   garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed.
[2021-10-28 23:37:55,848 INFO  L857   garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,848 INFO  L857   garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,848 INFO  L857   garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,849 INFO  L857   garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed.
[2021-10-28 23:37:55,849 INFO  L857   garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed.
[2021-10-28 23:37:55,849 INFO  L857   garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,849 INFO  L857   garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,849 INFO  L857   garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,849 INFO  L857   garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed.
[2021-10-28 23:37:55,849 INFO  L857   garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed.
[2021-10-28 23:37:55,850 INFO  L857   garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed.
[2021-10-28 23:37:55,850 INFO  L857   garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed.
[2021-10-28 23:37:55,850 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-28 23:37:55,850 INFO  L857   garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,850 INFO  L857   garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,850 INFO  L853   garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse2 (= ~a19~0 1)) (.cse5 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 10)) (.cse6 (= ~a11~0 1)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 10 ~a28~0) .cse4 .cse2) (and .cse5 .cse0 .cse1 .cse2) (and .cse1 (<= ~a11~0 0) .cse4) (and .cse5 .cse6 .cse1 .cse4) (and .cse6 .cse1 .cse3)))
[2021-10-28 23:37:55,851 INFO  L857   garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,851 INFO  L857   garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,851 INFO  L857   garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,851 INFO  L857   garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed.
[2021-10-28 23:37:55,867 INFO  L857   garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed.
[2021-10-28 23:37:55,867 INFO  L857   garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,868 INFO  L857   garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,868 INFO  L857   garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,868 INFO  L857   garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,868 INFO  L857   garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed.
[2021-10-28 23:37:55,868 INFO  L857   garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed.
[2021-10-28 23:37:55,868 INFO  L857   garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,869 INFO  L857   garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,869 INFO  L857   garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,869 INFO  L857   garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed.
[2021-10-28 23:37:55,869 INFO  L857   garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,869 INFO  L857   garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed.
[2021-10-28 23:37:55,869 INFO  L857   garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed.
[2021-10-28 23:37:55,869 INFO  L857   garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,870 INFO  L857   garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,870 INFO  L857   garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed.
[2021-10-28 23:37:55,870 INFO  L857   garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,870 INFO  L857   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-28 23:37:55,870 INFO  L857   garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed.
[2021-10-28 23:37:55,870 INFO  L857   garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed.
[2021-10-28 23:37:55,870 INFO  L857   garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed.
[2021-10-28 23:37:55,871 INFO  L857   garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,871 INFO  L857   garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,871 INFO  L857   garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,871 INFO  L857   garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,871 INFO  L857   garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,871 INFO  L857   garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,872 INFO  L857   garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed.
[2021-10-28 23:37:55,872 INFO  L857   garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed.
[2021-10-28 23:37:55,872 INFO  L857   garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed.
[2021-10-28 23:37:55,872 INFO  L857   garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,872 INFO  L857   garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,872 INFO  L857   garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,872 INFO  L857   garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,873 INFO  L857   garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed.
[2021-10-28 23:37:55,873 INFO  L857   garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,873 INFO  L857   garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed.
[2021-10-28 23:37:55,873 INFO  L857   garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed.
[2021-10-28 23:37:55,873 INFO  L857   garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed.
[2021-10-28 23:37:55,873 INFO  L857   garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,874 INFO  L857   garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed.
[2021-10-28 23:37:55,877 INFO  L731         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:37:55,878 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:37:55,904 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:37:55 BoogieIcfgContainer
[2021-10-28 23:37:55,911 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:37:55,912 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:37:55,912 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:37:55,912 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:37:55,912 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:47" (3/4) ...
[2021-10-28 23:37:55,918 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-28 23:37:55,947 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-28 23:37:55,949 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-28 23:37:55,950 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 23:37:55,951 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 23:37:56,125 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:37:56,125 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:37:56,127 INFO  L168              Benchmark]: Toolchain (without parser) took 10999.76 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 62.4 MB in the beginning and 44.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 67.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,127 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,128 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 643.21 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 59.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,128 INFO  L168              Benchmark]: Boogie Procedure Inliner took 122.31 ms. Allocated memory is still 98.6 MB. Free memory was 59.0 MB in the beginning and 53.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,129 INFO  L168              Benchmark]: Boogie Preprocessor took 80.20 ms. Allocated memory is still 98.6 MB. Free memory was 53.3 MB in the beginning and 49.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,129 INFO  L168              Benchmark]: RCFGBuilder took 1485.98 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 49.1 MB in the beginning and 49.6 MB in the end (delta: -474.6 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,129 INFO  L168              Benchmark]: TraceAbstraction took 8444.22 ms. Allocated memory was 119.5 MB in the beginning and 148.9 MB in the end (delta: 29.4 MB). Free memory was 49.6 MB in the beginning and 58.7 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,130 INFO  L168              Benchmark]: Witness Printer took 213.48 ms. Allocated memory is still 148.9 MB. Free memory was 58.7 MB in the beginning and 44.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:37:56,132 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 643.21 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 59.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 122.31 ms. Allocated memory is still 98.6 MB. Free memory was 59.0 MB in the beginning and 53.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 80.20 ms. Allocated memory is still 98.6 MB. Free memory was 53.3 MB in the beginning and 49.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1485.98 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 49.1 MB in the beginning and 49.6 MB in the end (delta: -474.6 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 8444.22 ms. Allocated memory was 119.5 MB in the beginning and 148.9 MB in the end (delta: 29.4 MB). Free memory was 49.6 MB in the beginning and 58.7 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB.
 * Witness Printer took 213.48 ms. Allocated memory is still 148.9 MB. Free memory was 58.7 MB in the beginning and 44.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
 * 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: 482]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1191 SDtfs, 937 SDslu, 117 SDs, 0 SdLazy, 2811 SolverSat, 582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2274occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 378 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 50 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1573 NumberOfCodeBlocks, 1573 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1563 ConstructedInterpolants, 0 QuantifiedInterpolants, 3468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 394 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 736/842 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: 616]: Loop Invariant
    Derived loop invariant: (((((((a25 == 1 && a17 <= 8) && a19 == 1) && a28 <= 7) || ((10 <= a28 && a28 <= 10) && a19 == 1)) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a19 == 1)) || ((a17 <= 8 && a11 <= 0) && a28 <= 10)) || (((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 == 1 && a17 <= 8) && a28 <= 7)
  - InvariantResult [Line: 610]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 39]: Loop Invariant
    Derived loop invariant: (((((((a25 == 1 && a17 <= 8) && a19 == 1) && a28 <= 7) || ((10 <= a28 && a28 <= 10) && a19 == 1)) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a19 == 1)) || ((a17 <= 8 && a11 <= 0) && a28 <= 10)) || (((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 == 1 && a17 <= 8) && a28 <= 7)
RESULT: Ultimate proved your program to be correct!
[2021-10-28 23:37:56,196 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fb4643-28c1-4291-97ec-c068c6e403cf/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...