./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 4e77c044
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e42a14d02446d341c51d21bb42c9bd175f1ebef
................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-4e77c04
[2021-10-13 00:21:23,697 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 00:21:23,700 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 00:21:23,747 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 00:21:23,749 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 00:21:23,754 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 00:21:23,756 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 00:21:23,761 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 00:21:23,765 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 00:21:23,771 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 00:21:23,773 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 00:21:23,775 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 00:21:23,776 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 00:21:23,779 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 00:21:23,782 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 00:21:23,788 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 00:21:23,791 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 00:21:23,792 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 00:21:23,795 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 00:21:23,803 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 00:21:23,805 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 00:21:23,807 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 00:21:23,809 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 00:21:23,810 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 00:21:23,815 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 00:21:23,815 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 00:21:23,816 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 00:21:23,817 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 00:21:23,818 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 00:21:23,820 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 00:21:23,820 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 00:21:23,821 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 00:21:23,823 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 00:21:23,824 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 00:21:23,825 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 00:21:23,826 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 00:21:23,827 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 00:21:23,827 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 00:21:23,828 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 00:21:23,829 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 00:21:23,830 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 00:21:23,831 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-13 00:21:23,861 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 00:21:23,869 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 00:21:23,869 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 00:21:23,870 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 00:21:23,871 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 00:21:23,872 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 00:21:23,873 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 00:21:23,873 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-13 00:21:23,874 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-13 00:21:23,874 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-13 00:21:23,875 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-13 00:21:23,876 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-13 00:21:23,876 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-13 00:21:23,876 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 00:21:23,877 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 00:21:23,877 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-13 00:21:23,878 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 00:21:23,878 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 00:21:23,878 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 00:21:23,879 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-13 00:21:23,879 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-13 00:21:23,879 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-13 00:21:23,880 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 00:21:23,880 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 00:21:23,880 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-13 00:21:23,881 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 00:21:23,881 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-13 00:21:23,881 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 00:21:23,882 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 00:21:23,882 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 00:21:23,883 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-13 00:21:23,883 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 00:21:23,884 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-13 00:21:23,885 INFO  L138        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
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_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/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_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt
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(F end) )


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 -> 0e42a14d02446d341c51d21bb42c9bd175f1ebef
[2021-10-13 00:21:24,206 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 00:21:24,237 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 00:21:24,241 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 00:21:24,243 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 00:21:24,244 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 00:21:24,245 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/psyco/psyco_io_1.c
[2021-10-13 00:21:24,338 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/data/76ec20106/b31cfcb2f78946c19b5b03715f2ef3e4/FLAGe058b37c2
[2021-10-13 00:21:24,879 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 00:21:24,880 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/sv-benchmarks/c/psyco/psyco_io_1.c
[2021-10-13 00:21:24,898 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/data/76ec20106/b31cfcb2f78946c19b5b03715f2ef3e4/FLAGe058b37c2
[2021-10-13 00:21:25,219 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/data/76ec20106/b31cfcb2f78946c19b5b03715f2ef3e4
[2021-10-13 00:21:25,229 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 00:21:25,231 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 00:21:25,246 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 00:21:25,246 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 00:21:25,255 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 00:21:25,256 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,257 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c827eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25, skipping insertion in model container
[2021-10-13 00:21:25,258 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,271 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 00:21:25,334 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 00:21:25,612 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_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/sv-benchmarks/c/psyco/psyco_io_1.c[11478,11491]
[2021-10-13 00:21:25,614 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:21:25,626 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 00:21:25,665 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_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/sv-benchmarks/c/psyco/psyco_io_1.c[11478,11491]
[2021-10-13 00:21:25,667 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:21:25,684 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 00:21:25,684 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25 WrapperNode
[2021-10-13 00:21:25,685 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 00:21:25,686 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 00:21:25,686 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 00:21:25,687 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 00:21:25,696 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,706 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,737 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 00:21:25,738 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 00:21:25,738 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 00:21:25,739 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 00:21:25,749 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,749 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,752 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,753 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,759 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,767 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,769 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,773 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 00:21:25,774 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 00:21:25,774 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 00:21:25,775 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 00:21:25,776 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (1/1) ...
[2021-10-13 00:21:25,803 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 00:21:25,820 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 00:21:25,844 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-13 00:21:25,864 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-13 00:21:25,918 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 00:21:25,918 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 00:21:25,919 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 00:21:25,919 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 00:21:26,500 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 00:21:26,504 INFO  L299             CfgBuilder]: Removed 9 assume(true) statements.
[2021-10-13 00:21:26,507 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:21:26 BoogieIcfgContainer
[2021-10-13 00:21:26,507 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 00:21:26,510 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-13 00:21:26,512 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-13 00:21:26,518 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-13 00:21:26,519 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-13 00:21:26,519 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:21:25" (1/3) ...
[2021-10-13 00:21:26,522 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46397abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:21:26, skipping insertion in model container
[2021-10-13 00:21:26,523 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-13 00:21:26,523 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:25" (2/3) ...
[2021-10-13 00:21:26,524 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46397abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:21:26, skipping insertion in model container
[2021-10-13 00:21:26,524 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-13 00:21:26,524 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:21:26" (3/3) ...
[2021-10-13 00:21:26,526 INFO  L389   chiAutomizerObserver]: Analyzing ICFG psyco_io_1.c
[2021-10-13 00:21:26,613 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-13 00:21:26,613 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-13 00:21:26,614 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-13 00:21:26,614 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-13 00:21:26,614 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-13 00:21:26,614 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-13 00:21:26,615 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-13 00:21:26,615 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-13 00:21:26,643 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 67 states, 66 states have (on average 1.9090909090909092) internal successors, (126), 66 states have internal predecessors, (126), 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)
[2021-10-13 00:21:26,683 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 53
[2021-10-13 00:21:26,684 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-13 00:21:26,684 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-13 00:21:26,694 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-13 00:21:26,695 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1]
[2021-10-13 00:21:26,695 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-13 00:21:26,698 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 67 states, 66 states have (on average 1.9090909090909092) internal successors, (126), 66 states have internal predecessors, (126), 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)
[2021-10-13 00:21:26,719 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 53
[2021-10-13 00:21:26,719 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-13 00:21:26,719 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-13 00:21:26,721 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-13 00:21:26,721 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1]
[2021-10-13 00:21:26,730 INFO  L791   eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 37#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 12#L25-2true 
[2021-10-13 00:21:26,735 INFO  L793   eck$LassoCheckResult]: Loop: 12#L25-2true goto; 10#L337true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10; 42#L35true assume !(0 == main_~q~0); 56#L55true assume !(1 == main_~q~0); 53#L107true assume !(2 == main_~q~0); 67#L223true assume !(3 == main_~q~0); 12#L25-2true 
[2021-10-13 00:21:26,742 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:21:26,742 INFO  L82        PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-10-13 00:21:26,755 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:21:26,756 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206769418]
[2021-10-13 00:21:26,756 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:21:26,758 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:21:26,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:26,920 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:21:26,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,000 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:21:27,013 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:21:27,022 INFO  L82        PathProgramCache]: Analyzing trace with hash 1070475851, now seen corresponding path program 1 times
[2021-10-13 00:21:27,023 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:21:27,023 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190807071]
[2021-10-13 00:21:27,024 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:21:27,025 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:21:27,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,034 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:21:27,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,059 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:21:27,061 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:21:27,063 INFO  L82        PathProgramCache]: Analyzing trace with hash 150525069, now seen corresponding path program 1 times
[2021-10-13 00:21:27,064 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:21:27,064 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495633702]
[2021-10-13 00:21:27,065 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:21:27,065 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:21:27,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:21:27,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:21:27,193 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:21:27,195 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495633702]
[2021-10-13 00:21:27,196 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495633702] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:21:27,197 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:21:27,197 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-13 00:21:27,198 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438580246]
[2021-10-13 00:21:27,347 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:21:27,373 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 00:21:27,375 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 00:21:27,378 INFO  L87              Difference]: Start difference. First operand  has 67 states, 66 states have (on average 1.9090909090909092) internal successors, (126), 66 states have internal predecessors, (126), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2021-10-13 00:21:27,466 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:21:27,467 INFO  L93              Difference]: Finished difference Result 66 states and 102 transitions.
[2021-10-13 00:21:27,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 00:21:27,470 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions.
[2021-10-13 00:21:27,473 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 49
[2021-10-13 00:21:27,479 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions.
[2021-10-13 00:21:27,480 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 52
[2021-10-13 00:21:27,483 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 52
[2021-10-13 00:21:27,485 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions.
[2021-10-13 00:21:27,485 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-13 00:21:27,486 INFO  L681         BuchiCegarLoop]: Abstraction has 52 states and 77 transitions.
[2021-10-13 00:21:27,508 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions.
[2021-10-13 00:21:27,526 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2021-10-13 00:21:27,527 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 51 states have internal predecessors, (77), 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)
[2021-10-13 00:21:27,530 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions.
[2021-10-13 00:21:27,531 INFO  L704         BuchiCegarLoop]: Abstraction has 52 states and 77 transitions.
[2021-10-13 00:21:27,533 INFO  L587         BuchiCegarLoop]: Abstraction has 52 states and 77 transitions.
[2021-10-13 00:21:27,533 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-13 00:21:27,533 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions.
[2021-10-13 00:21:27,540 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 49
[2021-10-13 00:21:27,540 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-13 00:21:27,540 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-13 00:21:27,541 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-10-13 00:21:27,541 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-10-13 00:21:27,542 INFO  L791   eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 182#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 154#L25-2 goto; 152#L337 
[2021-10-13 00:21:27,542 INFO  L793   eck$LassoCheckResult]: Loop: 152#L337 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10; 153#L35 assume 0 == main_~q~0; 186#L36 assume !(0 != main_#t~nondet11);havoc main_#t~nondet11; 152#L337 
[2021-10-13 00:21:27,544 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:21:27,544 INFO  L82        PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times
[2021-10-13 00:21:27,544 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:21:27,544 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299644357]
[2021-10-13 00:21:27,545 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:21:27,545 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:21:27,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,581 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:21:27,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,618 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:21:27,619 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:21:27,619 INFO  L82        PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times
[2021-10-13 00:21:27,619 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:21:27,620 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760769626]
[2021-10-13 00:21:27,620 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:21:27,620 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:21:27,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,625 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:21:27,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,632 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:21:27,633 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:21:27,633 INFO  L82        PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times
[2021-10-13 00:21:27,634 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:21:27,634 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337831617]
[2021-10-13 00:21:27,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:21:27,635 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:21:27,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,648 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:21:27,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:21:27,668 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:21:28,438 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:21:28 BoogieIcfgContainer
[2021-10-13 00:21:28,440 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-13 00:21:28,441 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 00:21:28,441 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 00:21:28,442 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 00:21:28,443 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:21:26" (3/4) ...
[2021-10-13 00:21:28,446 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-13 00:21:28,509 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/witness.graphml
[2021-10-13 00:21:28,517 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 00:21:28,519 INFO  L168              Benchmark]: Toolchain (without parser) took 3286.97 ms. Allocated memory is still 132.1 MB. Free memory was 99.7 MB in the beginning and 84.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,520 INFO  L168              Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,521 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 439.63 ms. Allocated memory is still 132.1 MB. Free memory was 99.7 MB in the beginning and 106.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,523 INFO  L168              Benchmark]: Boogie Procedure Inliner took 51.33 ms. Allocated memory is still 132.1 MB. Free memory was 106.9 MB in the beginning and 105.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,523 INFO  L168              Benchmark]: Boogie Preprocessor took 35.18 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 103.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,524 INFO  L168              Benchmark]: RCFGBuilder took 733.63 ms. Allocated memory is still 132.1 MB. Free memory was 103.5 MB in the beginning and 89.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,525 INFO  L168              Benchmark]: BuchiAutomizer took 1930.32 ms. Allocated memory is still 132.1 MB. Free memory was 88.8 MB in the beginning and 87.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,526 INFO  L168              Benchmark]: Witness Printer took 76.05 ms. Allocated memory is still 132.1 MB. Free memory was 86.4 MB in the beginning and 84.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:21:28,531 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.36 ms. Allocated memory is still 83.9 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 439.63 ms. Allocated memory is still 132.1 MB. Free memory was 99.7 MB in the beginning and 106.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 51.33 ms. Allocated memory is still 132.1 MB. Free memory was 106.9 MB in the beginning and 105.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 35.18 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 103.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 733.63 ms. Allocated memory is still 132.1 MB. Free memory was 103.5 MB in the beginning and 89.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 1930.32 ms. Allocated memory is still 132.1 MB. Free memory was 88.8 MB in the beginning and 87.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB.
 * Witness Printer took 76.05 ms. Allocated memory is still 132.1 MB. Free memory was 86.4 MB in the beginning and 84.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 52 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 1.8s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 25.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 52 states and ocurred in iteration 1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 98 SDtfs, 4 SDslu, 73 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.5ms Time	LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - FixpointNonTerminationResult [Line: 25]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=25469}
State at position 1 is
{m_PipedOutputStream=2, NULL=25471, NULL=0, \result=0, NULL=25469, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6937a889=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fbf28aa=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@189aedb8=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@426c0b92=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16cb90b6=0, m_connect_2=6, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f236555=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eec3487=0, this_sinkConnected=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@282194c4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77286202=0, NULL=25470, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@309700bd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fafdc3a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dbd68c6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17391de7=0, NULL=0, NULL=0, NULL=0, NULL=25472, P4=19, P3=16, P2=17, P1=18, m_close=3, m_write=4, m_flush=1, this_sink=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73a5b87f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c92f280=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2831c062=0, NULL=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f394ac5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@608651c4=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cbd8f14=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4285babc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5918569e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f8cbf0f=0}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 25]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L7]         int m_flush = 1;
[L8]         int m_PipedOutputStream = 2;
[L9]         int m_close = 3;
[L10]        int m_write = 4;
[L11]        int m_connect_1 = 5;
[L12]        int m_connect_2 = 6;
[L17]        int q = 0;
[L18]        int method_id;
[L21]        int this_sink = 0;
[L22]        int this_sinkConnected = 0;
Loop:
[L25]  COND TRUE   1
[L28]              int P1=__VERIFIER_nondet_int();
[L29]              int P2=__VERIFIER_nondet_int();
[L30]              int P3=__VERIFIER_nondet_int();
[L31]              int P4=__VERIFIER_nondet_int();
[L35]  COND TRUE   q == 0
[L36]  COND FALSE  !(__VERIFIER_nondet_int())
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-13 00:21:28,612 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8434bfa0-f7ec-49eb-9bc3-87e9193458a8/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...