./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/locks/test_locks_5_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version 635dfa2a
Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/locks/test_locks_5_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer --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 4f33d015f37d4475f0ca85a8ea6311ffc3e89abb
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 0.1.23-635dfa2
[2018-12-09 06:36:58,872 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-12-09 06:36:58,873 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-12-09 06:36:58,879 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-12-09 06:36:58,879 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-12-09 06:36:58,880 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-12-09 06:36:58,880 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-12-09 06:36:58,881 INFO  L174        SettingsManager]: Resetting LassoRanker preferences to default values
[2018-12-09 06:36:58,882 INFO  L174        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-12-09 06:36:58,882 INFO  L174        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-12-09 06:36:58,883 INFO  L177        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-12-09 06:36:58,883 INFO  L174        SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-12-09 06:36:58,883 INFO  L174        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-12-09 06:36:58,884 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-12-09 06:36:58,884 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-12-09 06:36:58,885 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-12-09 06:36:58,885 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-12-09 06:36:58,886 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-12-09 06:36:58,887 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-12-09 06:36:58,887 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-12-09 06:36:58,888 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-12-09 06:36:58,889 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-12-09 06:36:58,890 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-12-09 06:36:58,890 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-12-09 06:36:58,890 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-12-09 06:36:58,890 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-12-09 06:36:58,891 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-12-09 06:36:58,891 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-12-09 06:36:58,892 INFO  L174        SettingsManager]: Resetting Witness Printer preferences to default values
[2018-12-09 06:36:58,892 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-12-09 06:36:58,892 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-12-09 06:36:58,893 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-12-09 06:36:58,893 INFO  L177        SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-12-09 06:36:58,893 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
[2018-12-09 06:36:58,893 INFO  L174        SettingsManager]: Resetting Witness Parser preferences to default values
[2018-12-09 06:36:58,894 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-12-09 06:36:58,894 INFO  L98         SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf
[2018-12-09 06:36:58,901 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-12-09 06:36:58,902 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-12-09 06:36:58,902 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-12-09 06:36:58,902 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-12-09 06:36:58,902 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-12-09 06:36:58,903 INFO  L131        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * Use old map elimination=false
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * Use external solver (rank synthesis)=false
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * Use only trivial implications for array writes=true
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2018-12-09 06:36:58,903 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-12-09 06:36:58,903 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Use constant arrays=true
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2018-12-09 06:36:58,904 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-12-09 06:36:58,904 INFO  L133        SettingsManager]:  * To the following directory=/home/matthias/ultimate/dump
[2018-12-09 06:36:58,905 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-12-09 06:36:58,905 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-12-09 06:36:58,905 INFO  L133        SettingsManager]:  * Dump automata to the following directory=/home/matthias/ultimate/dump/auto
[2018-12-09 06:36:58,905 INFO  L131        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-12-09 06:36:58,905 INFO  L133        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
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-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer
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 -> 4f33d015f37d4475f0ca85a8ea6311ffc3e89abb
[2018-12-09 06:36:58,922 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-12-09 06:36:58,929 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-12-09 06:36:58,931 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-12-09 06:36:58,932 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-12-09 06:36:58,932 INFO  L276        PluginConnector]: CDTParser initialized
[2018-12-09 06:36:58,932 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/../../sv-benchmarks/c/locks/test_locks_5_true-unreach-call_true-valid-memsafety_false-termination.c
[2018-12-09 06:36:58,964 INFO  L221              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/data/6d9f90577/0d9b7fd5e99c4559be82f548401c468b/FLAG345e6407d
[2018-12-09 06:36:59,352 INFO  L307              CDTParser]: Found 1 translation units.
[2018-12-09 06:36:59,352 INFO  L161              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/sv-benchmarks/c/locks/test_locks_5_true-unreach-call_true-valid-memsafety_false-termination.c
[2018-12-09 06:36:59,356 INFO  L355              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/data/6d9f90577/0d9b7fd5e99c4559be82f548401c468b/FLAG345e6407d
[2018-12-09 06:36:59,794 INFO  L363              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/data/6d9f90577/0d9b7fd5e99c4559be82f548401c468b
[2018-12-09 06:36:59,796 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-12-09 06:36:59,797 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2018-12-09 06:36:59,798 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-12-09 06:36:59,798 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-12-09 06:36:59,800 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-12-09 06:36:59,801 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,803 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59, skipping insertion in model container
[2018-12-09 06:36:59,803 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,808 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-12-09 06:36:59,820 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-12-09 06:36:59,904 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-09 06:36:59,907 INFO  L191         MainTranslator]: Completed pre-run
[2018-12-09 06:36:59,917 INFO  L203          PostProcessor]: Analyzing one entry point: main
[2018-12-09 06:36:59,925 INFO  L195         MainTranslator]: Completed translation
[2018-12-09 06:36:59,925 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59 WrapperNode
[2018-12-09 06:36:59,925 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-12-09 06:36:59,926 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-12-09 06:36:59,926 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-12-09 06:36:59,926 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-12-09 06:36:59,931 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,934 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,944 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-12-09 06:36:59,944 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-12-09 06:36:59,944 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-12-09 06:36:59,944 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-12-09 06:36:59,949 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,949 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,950 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,950 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,951 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,954 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,954 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
[2018-12-09 06:36:59,955 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-12-09 06:36:59,955 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-12-09 06:36:59,955 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-12-09 06:36:59,956 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-12-09 06:36:59,956 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2018-12-09 06:37:00,018 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-12-09 06:37:00,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-12-09 06:37:00,112 INFO  L275             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-12-09 06:37:00,112 INFO  L280             CfgBuilder]: Removed 5 assue(true) statements.
[2018-12-09 06:37:00,112 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:00 BoogieIcfgContainer
[2018-12-09 06:37:00,112 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-12-09 06:37:00,113 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2018-12-09 06:37:00,113 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2018-12-09 06:37:00,115 INFO  L276        PluginConnector]: BuchiAutomizer initialized
[2018-12-09 06:37:00,115 INFO  L102         BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-12-09 06:37:00,116 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 06:36:59" (1/3) ...
[2018-12-09 06:37:00,116 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@123fed13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 06:37:00, skipping insertion in model container
[2018-12-09 06:37:00,116 INFO  L102         BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-12-09 06:37:00,116 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:59" (2/3) ...
[2018-12-09 06:37:00,117 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@123fed13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 06:37:00, skipping insertion in model container
[2018-12-09 06:37:00,117 INFO  L102         BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2018-12-09 06:37:00,117 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:00" (3/3) ...
[2018-12-09 06:37:00,118 INFO  L375   chiAutomizerObserver]: Analyzing ICFG test_locks_5_true-unreach-call_true-valid-memsafety_false-termination.c
[2018-12-09 06:37:00,157 INFO  L133   ementStrategyFactory]: Using default assertion order modulation
[2018-12-09 06:37:00,158 INFO  L374         BuchiCegarLoop]: Interprodecural is true
[2018-12-09 06:37:00,158 INFO  L375         BuchiCegarLoop]: Hoare is false
[2018-12-09 06:37:00,158 INFO  L376         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2018-12-09 06:37:00,158 INFO  L377         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2018-12-09 06:37:00,158 INFO  L378         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-12-09 06:37:00,158 INFO  L379         BuchiCegarLoop]: Difference is false
[2018-12-09 06:37:00,158 INFO  L380         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-12-09 06:37:00,158 INFO  L383         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2018-12-09 06:37:00,168 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states.
[2018-12-09 06:37:00,182 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 17
[2018-12-09 06:37:00,182 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-09 06:37:00,182 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2018-12-09 06:37:00,186 INFO  L866         BuchiCegarLoop]: Counterexample stem histogram [1]
[2018-12-09 06:37:00,186 INFO  L867         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-09 06:37:00,186 INFO  L442         BuchiCegarLoop]: ======== Iteration 1============
[2018-12-09 06:37:00,186 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states.
[2018-12-09 06:37:00,187 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 17
[2018-12-09 06:37:00,187 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-09 06:37:00,188 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2018-12-09 06:37:00,188 INFO  L866         BuchiCegarLoop]: Counterexample stem histogram [1]
[2018-12-09 06:37:00,188 INFO  L867         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-09 06:37:00,193 INFO  L794   eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;havoc main_~cond~0; 9#L83-1true 
[2018-12-09 06:37:00,193 INFO  L796   eck$LassoCheckResult]: Loop: 9#L83-1true assume !false;main_~cond~0 := main_#t~nondet5;havoc main_#t~nondet5; 4#L26true assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0; 13#L41true assume 0 != main_~p1~0;main_~lk1~0 := 1; 8#L41-2true assume 0 != main_~p2~0;main_~lk2~0 := 1; 19#L45-1true assume !(0 != main_~p3~0); 6#L49-1true assume 0 != main_~p4~0;main_~lk4~0 := 1; 14#L53-1true assume 0 != main_~p5~0;main_~lk5~0 := 1; 22#L57-1true assume !(0 != main_~p1~0); 12#L63-1true assume !(0 != main_~p2~0); 24#L68-1true assume !(0 != main_~p3~0); 10#L73-1true assume !(0 != main_~p4~0); 21#L78-1true assume !(0 != main_~p5~0); 9#L83-1true 
[2018-12-09 06:37:00,196 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,197 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times
[2018-12-09 06:37:00,198 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,199 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,231 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,231 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-09 06:37:00,232 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,267 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,267 INFO  L82        PathProgramCache]: Analyzing trace with hash -1077541325, now seen corresponding path program 1 times
[2018-12-09 06:37:00,267 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,267 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,268 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,268 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-09 06:37:00,268 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-09 06:37:00,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-09 06:37:00,314 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-09 06:37:00,314 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-12-09 06:37:00,317 INFO  L811   eck$LassoCheckResult]: loop already infeasible
[2018-12-09 06:37:00,327 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-09 06:37:00,328 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-09 06:37:00,329 INFO  L87              Difference]: Start difference. First operand 23 states. Second operand 3 states.
[2018-12-09 06:37:00,351 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-09 06:37:00,352 INFO  L93              Difference]: Finished difference Result 44 states and 69 transitions.
[2018-12-09 06:37:00,352 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-09 06:37:00,353 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 69 transitions.
[2018-12-09 06:37:00,354 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 33
[2018-12-09 06:37:00,357 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 34 states and 52 transitions.
[2018-12-09 06:37:00,358 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 34
[2018-12-09 06:37:00,358 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 34
[2018-12-09 06:37:00,358 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 34 states and 52 transitions.
[2018-12-09 06:37:00,359 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-12-09 06:37:00,359 INFO  L705         BuchiCegarLoop]: Abstraction has 34 states and 52 transitions.
[2018-12-09 06:37:00,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34 states and 52 transitions.
[2018-12-09 06:37:00,375 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2018-12-09 06:37:00,375 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 34 states.
[2018-12-09 06:37:00,376 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 52 transitions.
[2018-12-09 06:37:00,376 INFO  L728         BuchiCegarLoop]: Abstraction has 34 states and 52 transitions.
[2018-12-09 06:37:00,376 INFO  L608         BuchiCegarLoop]: Abstraction has 34 states and 52 transitions.
[2018-12-09 06:37:00,377 INFO  L442         BuchiCegarLoop]: ======== Iteration 2============
[2018-12-09 06:37:00,377 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 52 transitions.
[2018-12-09 06:37:00,377 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 33
[2018-12-09 06:37:00,377 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-09 06:37:00,377 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2018-12-09 06:37:00,378 INFO  L866         BuchiCegarLoop]: Counterexample stem histogram [1]
[2018-12-09 06:37:00,378 INFO  L867         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-09 06:37:00,378 INFO  L794   eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;havoc main_~cond~0; 96#L83-1 
[2018-12-09 06:37:00,378 INFO  L796   eck$LassoCheckResult]: Loop: 96#L83-1 assume !false;main_~cond~0 := main_#t~nondet5;havoc main_#t~nondet5; 103#L26 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0; 102#L41 assume !(0 != main_~p1~0); 84#L41-2 assume 0 != main_~p2~0;main_~lk2~0 := 1; 85#L45-1 assume !(0 != main_~p3~0); 101#L49-1 assume 0 != main_~p4~0;main_~lk4~0 := 1; 91#L53-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 92#L57-1 assume !(0 != main_~p1~0); 88#L63-1 assume !(0 != main_~p2~0); 81#L68-1 assume !(0 != main_~p3~0); 94#L73-1 assume !(0 != main_~p4~0); 105#L78-1 assume !(0 != main_~p5~0); 96#L83-1 
[2018-12-09 06:37:00,378 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,378 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times
[2018-12-09 06:37:00,378 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,378 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,379 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,379 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-09 06:37:00,379 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,383 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,383 INFO  L82        PathProgramCache]: Analyzing trace with hash -1470568335, now seen corresponding path program 1 times
[2018-12-09 06:37:00,384 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,384 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,384 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,385 INFO  L101   rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,385 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-09 06:37:00,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-09 06:37:00,397 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-09 06:37:00,397 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-12-09 06:37:00,397 INFO  L811   eck$LassoCheckResult]: loop already infeasible
[2018-12-09 06:37:00,397 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-09 06:37:00,397 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-09 06:37:00,397 INFO  L87              Difference]: Start difference. First operand 34 states and 52 transitions. cyclomatic complexity: 20 Second operand 3 states.
[2018-12-09 06:37:00,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-09 06:37:00,409 INFO  L93              Difference]: Finished difference Result 65 states and 97 transitions.
[2018-12-09 06:37:00,409 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-09 06:37:00,409 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 97 transitions.
[2018-12-09 06:37:00,410 INFO  L131   ngComponentsAnalysis]: Automaton has 4 accepting balls. 64
[2018-12-09 06:37:00,411 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 65 states and 97 transitions.
[2018-12-09 06:37:00,411 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 65
[2018-12-09 06:37:00,411 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 65
[2018-12-09 06:37:00,411 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 65 states and 97 transitions.
[2018-12-09 06:37:00,412 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-12-09 06:37:00,412 INFO  L705         BuchiCegarLoop]: Abstraction has 65 states and 97 transitions.
[2018-12-09 06:37:00,412 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 65 states and 97 transitions.
[2018-12-09 06:37:00,414 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65.
[2018-12-09 06:37:00,414 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 65 states.
[2018-12-09 06:37:00,415 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 97 transitions.
[2018-12-09 06:37:00,415 INFO  L728         BuchiCegarLoop]: Abstraction has 65 states and 97 transitions.
[2018-12-09 06:37:00,415 INFO  L608         BuchiCegarLoop]: Abstraction has 65 states and 97 transitions.
[2018-12-09 06:37:00,415 INFO  L442         BuchiCegarLoop]: ======== Iteration 3============
[2018-12-09 06:37:00,415 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 97 transitions.
[2018-12-09 06:37:00,416 INFO  L131   ngComponentsAnalysis]: Automaton has 4 accepting balls. 64
[2018-12-09 06:37:00,416 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-09 06:37:00,416 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2018-12-09 06:37:00,416 INFO  L866         BuchiCegarLoop]: Counterexample stem histogram [1]
[2018-12-09 06:37:00,416 INFO  L867         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-09 06:37:00,416 INFO  L794   eck$LassoCheckResult]: Stem: 202#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;havoc main_~cond~0; 203#L83-1 
[2018-12-09 06:37:00,416 INFO  L796   eck$LassoCheckResult]: Loop: 203#L83-1 assume !false;main_~cond~0 := main_#t~nondet5;havoc main_#t~nondet5; 212#L26 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0; 209#L41 assume !(0 != main_~p1~0); 210#L41-2 assume !(0 != main_~p2~0); 232#L45-1 assume !(0 != main_~p3~0); 231#L49-1 assume 0 != main_~p4~0;main_~lk4~0 := 1; 230#L53-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 229#L57-1 assume !(0 != main_~p1~0); 228#L63-1 assume !(0 != main_~p2~0); 225#L68-1 assume !(0 != main_~p3~0); 221#L73-1 assume !(0 != main_~p4~0); 217#L78-1 assume !(0 != main_~p5~0); 203#L83-1 
[2018-12-09 06:37:00,417 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,417 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 3 times
[2018-12-09 06:37:00,417 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,417 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,417 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,417 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-09 06:37:00,417 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,420 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,420 INFO  L82        PathProgramCache]: Analyzing trace with hash -790509965, now seen corresponding path program 1 times
[2018-12-09 06:37:00,420 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,420 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,421 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,421 INFO  L101   rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,421 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-09 06:37:00,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-09 06:37:00,431 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-09 06:37:00,431 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-12-09 06:37:00,431 INFO  L811   eck$LassoCheckResult]: loop already infeasible
[2018-12-09 06:37:00,431 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-09 06:37:00,431 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-09 06:37:00,431 INFO  L87              Difference]: Start difference. First operand 65 states and 97 transitions. cyclomatic complexity: 36 Second operand 3 states.
[2018-12-09 06:37:00,443 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-09 06:37:00,444 INFO  L93              Difference]: Finished difference Result 125 states and 181 transitions.
[2018-12-09 06:37:00,444 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-09 06:37:00,444 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 181 transitions.
[2018-12-09 06:37:00,446 INFO  L131   ngComponentsAnalysis]: Automaton has 8 accepting balls. 124
[2018-12-09 06:37:00,447 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 181 transitions.
[2018-12-09 06:37:00,447 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 125
[2018-12-09 06:37:00,448 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 125
[2018-12-09 06:37:00,448 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 125 states and 181 transitions.
[2018-12-09 06:37:00,448 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-12-09 06:37:00,448 INFO  L705         BuchiCegarLoop]: Abstraction has 125 states and 181 transitions.
[2018-12-09 06:37:00,449 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states and 181 transitions.
[2018-12-09 06:37:00,454 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2018-12-09 06:37:00,454 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 125 states.
[2018-12-09 06:37:00,456 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions.
[2018-12-09 06:37:00,456 INFO  L728         BuchiCegarLoop]: Abstraction has 125 states and 181 transitions.
[2018-12-09 06:37:00,456 INFO  L608         BuchiCegarLoop]: Abstraction has 125 states and 181 transitions.
[2018-12-09 06:37:00,456 INFO  L442         BuchiCegarLoop]: ======== Iteration 4============
[2018-12-09 06:37:00,456 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 181 transitions.
[2018-12-09 06:37:00,458 INFO  L131   ngComponentsAnalysis]: Automaton has 8 accepting balls. 124
[2018-12-09 06:37:00,458 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-09 06:37:00,458 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2018-12-09 06:37:00,458 INFO  L866         BuchiCegarLoop]: Counterexample stem histogram [1]
[2018-12-09 06:37:00,458 INFO  L867         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-09 06:37:00,458 INFO  L794   eck$LassoCheckResult]: Stem: 398#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;havoc main_~cond~0; 399#L83-1 
[2018-12-09 06:37:00,459 INFO  L796   eck$LassoCheckResult]: Loop: 399#L83-1 assume !false;main_~cond~0 := main_#t~nondet5;havoc main_#t~nondet5; 411#L26 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0; 412#L41 assume !(0 != main_~p1~0); 460#L41-2 assume !(0 != main_~p2~0); 457#L45-1 assume !(0 != main_~p3~0); 453#L49-1 assume !(0 != main_~p4~0); 449#L53-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 447#L57-1 assume !(0 != main_~p1~0); 445#L63-1 assume !(0 != main_~p2~0); 442#L68-1 assume !(0 != main_~p3~0); 438#L73-1 assume !(0 != main_~p4~0); 439#L78-1 assume !(0 != main_~p5~0); 399#L83-1 
[2018-12-09 06:37:00,459 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,459 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 4 times
[2018-12-09 06:37:00,459 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,459 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,460 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,460 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-09 06:37:00,460 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,464 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,464 INFO  L82        PathProgramCache]: Analyzing trace with hash 984497397, now seen corresponding path program 1 times
[2018-12-09 06:37:00,464 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,464 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,465 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,465 INFO  L101   rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,465 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-12-09 06:37:00,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-12-09 06:37:00,477 INFO  L312   seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-12-09 06:37:00,478 INFO  L327   seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-12-09 06:37:00,478 INFO  L811   eck$LassoCheckResult]: loop already infeasible
[2018-12-09 06:37:00,478 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-12-09 06:37:00,478 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-12-09 06:37:00,478 INFO  L87              Difference]: Start difference. First operand 125 states and 181 transitions. cyclomatic complexity: 64 Second operand 3 states.
[2018-12-09 06:37:00,497 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-12-09 06:37:00,498 INFO  L93              Difference]: Finished difference Result 241 states and 337 transitions.
[2018-12-09 06:37:00,498 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2018-12-09 06:37:00,498 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 337 transitions.
[2018-12-09 06:37:00,500 INFO  L131   ngComponentsAnalysis]: Automaton has 16 accepting balls. 240
[2018-12-09 06:37:00,501 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 337 transitions.
[2018-12-09 06:37:00,501 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 241
[2018-12-09 06:37:00,501 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 241
[2018-12-09 06:37:00,501 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 241 states and 337 transitions.
[2018-12-09 06:37:00,502 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2018-12-09 06:37:00,502 INFO  L705         BuchiCegarLoop]: Abstraction has 241 states and 337 transitions.
[2018-12-09 06:37:00,502 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 241 states and 337 transitions.
[2018-12-09 06:37:00,508 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241.
[2018-12-09 06:37:00,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 241 states.
[2018-12-09 06:37:00,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions.
[2018-12-09 06:37:00,509 INFO  L728         BuchiCegarLoop]: Abstraction has 241 states and 337 transitions.
[2018-12-09 06:37:00,510 INFO  L608         BuchiCegarLoop]: Abstraction has 241 states and 337 transitions.
[2018-12-09 06:37:00,510 INFO  L442         BuchiCegarLoop]: ======== Iteration 5============
[2018-12-09 06:37:00,510 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 337 transitions.
[2018-12-09 06:37:00,511 INFO  L131   ngComponentsAnalysis]: Automaton has 16 accepting balls. 240
[2018-12-09 06:37:00,511 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2018-12-09 06:37:00,511 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2018-12-09 06:37:00,511 INFO  L866         BuchiCegarLoop]: Counterexample stem histogram [1]
[2018-12-09 06:37:00,511 INFO  L867         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-12-09 06:37:00,511 INFO  L794   eck$LassoCheckResult]: Stem: 770#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~cond~0;main_~p1~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~lk5~0;havoc main_~cond~0; 771#L83-1 
[2018-12-09 06:37:00,511 INFO  L796   eck$LassoCheckResult]: Loop: 771#L83-1 assume !false;main_~cond~0 := main_#t~nondet5;havoc main_#t~nondet5; 832#L26 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0; 826#L41 assume !(0 != main_~p1~0); 820#L41-2 assume !(0 != main_~p2~0); 814#L45-1 assume !(0 != main_~p3~0); 815#L49-1 assume !(0 != main_~p4~0); 865#L53-1 assume !(0 != main_~p5~0); 864#L57-1 assume !(0 != main_~p1~0); 862#L63-1 assume !(0 != main_~p2~0); 860#L68-1 assume !(0 != main_~p3~0); 857#L73-1 assume !(0 != main_~p4~0); 841#L78-1 assume !(0 != main_~p5~0); 771#L83-1 
[2018-12-09 06:37:00,512 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,512 INFO  L82        PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 5 times
[2018-12-09 06:37:00,512 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,512 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,512 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,512 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-09 06:37:00,512 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,515 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,515 INFO  L82        PathProgramCache]: Analyzing trace with hash 1041755699, now seen corresponding path program 1 times
[2018-12-09 06:37:00,515 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,515 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,516 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,516 INFO  L101   rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,516 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,521 INFO  L141       PredicateUnifier]: Initialized classic predicate unifier
[2018-12-09 06:37:00,521 INFO  L82        PathProgramCache]: Analyzing trace with hash 536197074, now seen corresponding path program 1 times
[2018-12-09 06:37:00,521 INFO  L223   ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-12-09 06:37:00,521 INFO  L69    tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-12-09 06:37:00,522 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,522 INFO  L103   rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-12-09 06:37:00,522 INFO  L119   rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-12-09 06:37:00,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-12-09 06:37:00,606 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 06:37:00 BoogieIcfgContainer
[2018-12-09 06:37:00,606 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2018-12-09 06:37:00,606 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2018-12-09 06:37:00,606 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2018-12-09 06:37:00,606 INFO  L276        PluginConnector]: Witness Printer initialized
[2018-12-09 06:37:00,607 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:37:00" (3/4) ...
[2018-12-09 06:37:00,609 INFO  L141         WitnessPrinter]: Generating witness for non-termination counterexample
[2018-12-09 06:37:00,635 INFO  L145         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_27c8fada-6f6b-4a7a-9877-d14dd3184c6d/bin-2019/uautomizer/witness.graphml
[2018-12-09 06:37:00,635 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2018-12-09 06:37:00,636 INFO  L168              Benchmark]: Toolchain (without parser) took 839.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 61.3 MB). Free memory was 956.0 MB in the beginning and 962.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,637 INFO  L168              Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,637 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 127.86 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,637 INFO  L168              Benchmark]: Boogie Procedure Inliner took 18.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,637 INFO  L168              Benchmark]: Boogie Preprocessor took 11.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,638 INFO  L168              Benchmark]: RCFGBuilder took 157.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 61.3 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -97.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,638 INFO  L168              Benchmark]: BuchiAutomizer took 493.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 962.5 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,638 INFO  L168              Benchmark]: Witness Printer took 29.21 ms. Allocated memory is still 1.1 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2018-12-09 06:37:00,639 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * CACSL2BoogieTranslator took 127.86 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
 * Boogie Procedure Inliner took 18.02 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * Boogie Preprocessor took 11.33 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB.
 * RCFGBuilder took 157.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 61.3 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -97.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB.
 * BuchiAutomizer took 493.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 962.5 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB.
 * Witness Printer took 29.21 ms. Allocated memory is still 1.1 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 241 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 0.4s and 5 iterations.  TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 241 states and ocurred in iteration 4.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 173 SDtfs, 89 SDslu, 96 SDs, 0 SdLazy, 20 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time	LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc0 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: 24]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{}
State at position 1 is
{p1=0, \result=0, p3=0, p2=0, p5=0, p4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e5c56f4=0, lk3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40cde207=0, lk4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ae4e9e=1, lk5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d0e742c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47a00080=0, lk1=0, lk2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44b5518d=0, cond=1}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 24]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L6]         int p1 = __VERIFIER_nondet_int();
[L7]         int lk1;
[L9]         int p2 = __VERIFIER_nondet_int();
[L10]        int lk2;
[L12]        int p3 = __VERIFIER_nondet_int();
[L13]        int lk3;
[L15]        int p4 = __VERIFIER_nondet_int();
[L16]        int lk4;
[L18]        int p5 = __VERIFIER_nondet_int();
[L19]        int lk5;
[L22]        int cond;
Loop:
[L24]  COND TRUE   1
[L25]              cond = __VERIFIER_nondet_int()
[L26]  COND FALSE  !(cond == 0)
[L29]              lk1 = 0
[L31]              lk2 = 0
[L33]              lk3 = 0
[L35]              lk4 = 0
[L37]              lk5 = 0
[L41]  COND FALSE  !(p1 != 0)
[L45]  COND FALSE  !(p2 != 0)
[L49]  COND FALSE  !(p3 != 0)
[L53]  COND FALSE  !(p4 != 0)
[L57]  COND FALSE  !(p5 != 0)
[L63]  COND FALSE  !(p1 != 0)
[L68]  COND FALSE  !(p2 != 0)
[L73]  COND FALSE  !(p3 != 0)
[L78]  COND FALSE  !(p4 != 0)
[L83]  COND FALSE  !(p5 != 0)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...