./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc --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 a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 21:00:58,795 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 21:00:58,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 21:00:58,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 21:00:58,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 21:00:58,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 21:00:58,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 21:00:58,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 21:00:58,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 21:00:58,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 21:00:58,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 21:00:58,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 21:00:58,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 21:00:58,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 21:00:58,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 21:00:58,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 21:00:58,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 21:00:58,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 21:00:58,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 21:00:58,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 21:00:58,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 21:00:58,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 21:00:58,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 21:00:58,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 21:00:58,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 21:00:58,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 21:00:58,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 21:00:58,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 21:00:58,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 21:00:58,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 21:00:58,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 21:00:58,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 21:00:58,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 21:00:58,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 21:00:58,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 21:00:58,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 21:00:58,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 21:00:58,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 21:00:58,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 21:00:58,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 21:00:58,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 21:00:58,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf
[2022-11-02 21:00:58,963 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 21:00:58,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 21:00:58,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 21:00:58,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 21:00:58,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 21:00:58,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 21:00:58,967 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 21:00:58,967 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-02 21:00:58,967 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-11-02 21:00:58,967 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-11-02 21:00:58,969 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-11-02 21:00:58,969 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-11-02 21:00:58,969 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-02 21:00:58,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 21:00:58,970 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 21:00:58,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 21:00:58,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 21:00:58,971 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 21:00:58,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 21:00:58,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-11-02 21:00:58,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-02 21:00:58,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-11-02 21:00:58,972 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 21:00:58,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 21:00:58,973 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-11-02 21:00:58,973 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 21:00:58,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-11-02 21:00:58,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 21:00:58,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 21:00:58,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 21:00:58,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 21:00:58,976 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-02 21:00:58,976 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_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a
[2022-11-02 21:00:59,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 21:00:59,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 21:00:59,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 21:00:59,371 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 21:00:59,372 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 21:00:59,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i
[2022-11-02 21:00:59,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/data/b61619e38/99990ed11b7143fa8a431fb3dc9ff07b/FLAG7fa511365
[2022-11-02 21:01:00,114 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 21:01:00,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i
[2022-11-02 21:01:00,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/data/b61619e38/99990ed11b7143fa8a431fb3dc9ff07b/FLAG7fa511365
[2022-11-02 21:01:00,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/data/b61619e38/99990ed11b7143fa8a431fb3dc9ff07b
[2022-11-02 21:01:00,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 21:01:00,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 21:01:00,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 21:01:00,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 21:01:00,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 21:01:00,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c91e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00, skipping insertion in model container
[2022-11-02 21:01:00,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 21:01:00,513 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 21:01:00,846 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:01:00,854 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 21:01:00,892 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:01:00,929 INFO L208 MainTranslator]: Completed translation
[2022-11-02 21:01:00,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00 WrapperNode
[2022-11-02 21:01:00,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 21:01:00,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 21:01:00,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 21:01:00,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 21:01:00,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,973 INFO L138 Inliner]: procedures = 117, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97
[2022-11-02 21:01:00,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 21:01:00,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 21:01:00,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 21:01:00,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 21:01:00,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:00,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:01,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:01,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 21:01:01,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 21:01:01,003 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 21:01:01,003 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 21:01:01,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (1/1) ...
[2022-11-02 21:01:01,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:01,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:01,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:01,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-02 21:01:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 21:01:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 21:01:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 21:01:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 21:01:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 21:01:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 21:01:01,187 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 21:01:01,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 21:01:01,463 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 21:01:01,468 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 21:01:01,469 INFO L300 CfgBuilder]: Removed 4 assume(true) statements.
[2022-11-02 21:01:01,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:01 BoogieIcfgContainer
[2022-11-02 21:01:01,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 21:01:01,499 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-02 21:01:01,499 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-11-02 21:01:01,503 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-11-02 21:01:01,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 21:01:01,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:01:00" (1/3) ...
[2022-11-02 21:01:01,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e3bebd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:01:01, skipping insertion in model container
[2022-11-02 21:01:01,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 21:01:01,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:00" (2/3) ...
[2022-11-02 21:01:01,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e3bebd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:01:01, skipping insertion in model container
[2022-11-02 21:01:01,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 21:01:01,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:01" (3/3) ...
[2022-11-02 21:01:01,506 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-1.i
[2022-11-02 21:01:01,586 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2022-11-02 21:01:01,587 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2022-11-02 21:01:01,587 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-02 21:01:01,587 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-02 21:01:01,587 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-02 21:01:01,587 INFO L308 stractBuchiCegarLoop]: Difference is false
[2022-11-02 21:01:01,587 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-02 21:01:01,587 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-02 21:01:01,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:01,611 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9
[2022-11-02 21:01:01,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:01,612 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:01,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2022-11-02 21:01:01,617 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 21:01:01,617 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-02 21:01:01,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:01,619 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9
[2022-11-02 21:01:01,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:01,620 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:01,620 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1]
[2022-11-02 21:01:01,620 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 21:01:01,628 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 21#L536true assume !(main_~length~0#1 < 1); 7#L536-2true assume !(main_~n~1#1 < 1); 8#L539-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 4#L545-3true
[2022-11-02 21:01:01,628 INFO L750 eck$LassoCheckResult]: Loop: 4#L545-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 10#L545-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4#L545-3true
[2022-11-02 21:01:01,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:01,634 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times
[2022-11-02 21:01:01,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:01,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563899808]
[2022-11-02 21:01:01,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:01,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:01,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:01,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:01,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times
[2022-11-02 21:01:01,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:01,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559397148]
[2022-11-02 21:01:01,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:01,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:01,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:01,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:01,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:01,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times
[2022-11-02 21:01:01,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:01,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227712181]
[2022-11-02 21:01:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:01,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:01,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:02,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:02,545 INFO L210 LassoAnalysis]: Preferences:
[2022-11-02 21:01:02,545 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-11-02 21:01:02,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-11-02 21:01:02,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-11-02 21:01:02,546 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-11-02 21:01:02,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:02,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-11-02 21:01:02,547 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-11-02 21:01:02,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration1_Lasso
[2022-11-02 21:01:02,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-11-02 21:01:02,547 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-11-02 21:01:02,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:02,928 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:03,368 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-11-02 21:01:03,373 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-11-02 21:01:03,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:03,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:03,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:03,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:03,394 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:03,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2022-11-02 21:01:03,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:03,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:03,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:03,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:03,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:03,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:03,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:03,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:03,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:03,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:03,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:03,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2022-11-02 21:01:03,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:03,469 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:03,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:03,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:03,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:03,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:03,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:03,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:03,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:03,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:03,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:03,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:03,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:03,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:03,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2022-11-02 21:01:03,548 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:03,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:03,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:03,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:03,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:03,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:03,585 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-11-02 21:01:03,621 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver.
[2022-11-02 21:01:03,621 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero.
[2022-11-02 21:01:03,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:03,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:03,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:03,675 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-11-02 21:01:03,697 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2022-11-02 21:01:03,697 INFO L513 LassoAnalysis]: Proved termination.
[2022-11-02 21:01:03,698 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1
Supporting invariants []
[2022-11-02 21:01:03,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2022-11-02 21:01:03,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:03,760 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed
[2022-11-02 21:01:03,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:03,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 21:01:03,817 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:03,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-11-02 21:01:03,840 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:01:03,910 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2022-11-02 21:01:03,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:03,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) Result 60 states and 93 transitions. Complement of second has 7 states.
[2022-11-02 21:01:03,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states
[2022-11-02 21:01:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions.
[2022-11-02 21:01:03,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 63 transitions. Stem has 5 letters. Loop has 2 letters.
[2022-11-02 21:01:03,996 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:03,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 63 transitions. Stem has 7 letters. Loop has 2 letters.
[2022-11-02 21:01:03,997 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:03,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 63 transitions. Stem has 5 letters. Loop has 4 letters.
[2022-11-02 21:01:03,997 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:03,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 93 transitions.
[2022-11-02 21:01:04,009 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2022-11-02 21:01:04,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 20 states and 29 transitions.
[2022-11-02 21:01:04,015 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17
[2022-11-02 21:01:04,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18
[2022-11-02 21:01:04,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions.
[2022-11-02 21:01:04,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:04,017 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions.
[2022-11-02 21:01:04,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions.
[2022-11-02 21:01:04,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2022-11-02 21:01:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions.
[2022-11-02 21:01:04,053 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions.
[2022-11-02 21:01:04,053 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions.
[2022-11-02 21:01:04,053 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-11-02 21:01:04,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions.
[2022-11-02 21:01:04,054 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2022-11-02 21:01:04,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:04,054 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:04,055 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:04,055 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 21:01:04,055 INFO L748 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 171#L536 assume !(main_~length~0#1 < 1); 163#L536-2 assume !(main_~n~1#1 < 1); 164#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 155#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 156#L545-4 main_~i~1#1 := 0; 169#L550-3
[2022-11-02 21:01:04,055 INFO L750 eck$LassoCheckResult]: Loop: 169#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 170#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 169#L550-3
[2022-11-02 21:01:04,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:04,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times
[2022-11-02 21:01:04,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:04,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407327710]
[2022-11-02 21:01:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:04,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:04,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:04,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:04,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:04,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times
[2022-11-02 21:01:04,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:04,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841411653]
[2022-11-02 21:01:04,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:04,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:04,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:04,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:04,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:04,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times
[2022-11-02 21:01:04,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:04,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030802545]
[2022-11-02 21:01:04,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:04,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:04,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:04,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:04,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:04,648 INFO L210 LassoAnalysis]: Preferences:
[2022-11-02 21:01:04,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-11-02 21:01:04,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-11-02 21:01:04,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-11-02 21:01:04,649 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-11-02 21:01:04,649 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:04,649 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-11-02 21:01:04,649 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-11-02 21:01:04,649 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration2_Lasso
[2022-11-02 21:01:04,649 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-11-02 21:01:04,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-11-02 21:01:04,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,676 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:04,928 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:05,360 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-11-02 21:01:05,360 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-11-02 21:01:05,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,395 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:05,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:05,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:05,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:05,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,455 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,475 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:05,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:05,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:05,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:05,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,534 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,550 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:05,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:05,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,623 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:05,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:05,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:05,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,674 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:05,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:05,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:05,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0
[2022-11-02 21:01:05,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,742 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,757 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:05,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:05,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:05,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,817 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,833 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:05,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:05,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:05,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:05,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,902 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,924 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:05,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:05,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:05,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:05,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:05,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:05,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:05,981 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:05,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2022-11-02 21:01:05,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:05,993 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:05,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:05,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:05,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:06,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:06,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:06,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:06,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:06,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:06,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:06,073 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:06,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:06,096 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:06,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:06,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:06,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:06,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:06,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:06,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:06,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2022-11-02 21:01:06,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:06,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:06,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:06,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:06,150 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:06,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:06,165 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:06,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:06,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:06,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:06,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2022-11-02 21:01:06,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:06,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:06,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:06,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0
[2022-11-02 21:01:06,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:06,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:06,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:06,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process
[2022-11-02 21:01:06,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:06,233 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:06,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:06,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:06,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:06,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:06,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:06,274 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-11-02 21:01:06,317 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver.
[2022-11-02 21:01:06,317 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero.
[2022-11-02 21:01:06,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:06,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:06,323 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:06,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process
[2022-11-02 21:01:06,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-11-02 21:01:06,352 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2.
[2022-11-02 21:01:06,352 INFO L513 LassoAnalysis]: Proved termination.
[2022-11-02 21:01:06,352 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1
Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0]
[2022-11-02 21:01:06,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0
[2022-11-02 21:01:06,437 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed
[2022-11-02 21:01:06,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:06,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-11-02 21:01:06,490 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:06,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-11-02 21:01:06,540 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:01:06,563 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates
[2022-11-02 21:01:06,563 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:06,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) Result 31 states and 48 transitions. Complement of second has 7 states.
[2022-11-02 21:01:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states
[2022-11-02 21:01:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions.
[2022-11-02 21:01:06,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters.
[2022-11-02 21:01:06,639 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:06,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 2 letters.
[2022-11-02 21:01:06,639 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:06,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 4 letters.
[2022-11-02 21:01:06,639 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:06,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 48 transitions.
[2022-11-02 21:01:06,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-02 21:01:06,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 31 transitions.
[2022-11-02 21:01:06,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16
[2022-11-02 21:01:06,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17
[2022-11-02 21:01:06,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 31 transitions.
[2022-11-02 21:01:06,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:06,642 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 31 transitions.
[2022-11-02 21:01:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 31 transitions.
[2022-11-02 21:01:06,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2022-11-02 21:01:06,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:06,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 31 transitions.
[2022-11-02 21:01:06,645 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 31 transitions.
[2022-11-02 21:01:06,645 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 31 transitions.
[2022-11-02 21:01:06,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2022-11-02 21:01:06,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 31 transitions.
[2022-11-02 21:01:06,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-02 21:01:06,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:06,646 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:06,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:06,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-02 21:01:06,647 INFO L748 eck$LassoCheckResult]: Stem: 294#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 307#L536 assume !(main_~length~0#1 < 1); 298#L536-2 assume !(main_~n~1#1 < 1); 299#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 290#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 291#L545-4 main_~i~1#1 := 0; 302#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 300#L550-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 301#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 296#L520-3
[2022-11-02 21:01:06,648 INFO L750 eck$LassoCheckResult]: Loop: 296#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 297#L520-1 assume !!(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 308#L521 assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 296#L520-3
[2022-11-02 21:01:06,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220888, now seen corresponding path program 1 times
[2022-11-02 21:01:06,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:06,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977323322]
[2022-11-02 21:01:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:06,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:06,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:06,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:06,689 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 1 times
[2022-11-02 21:01:06,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:06,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628429359]
[2022-11-02 21:01:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:06,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:06,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:06,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:06,706 INFO L85 PathProgramCache]: Analyzing trace with hash -587605024, now seen corresponding path program 1 times
[2022-11-02 21:01:06,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:06,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381026575]
[2022-11-02 21:01:06,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:06,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:06,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:01:07,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:01:07,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381026575]
[2022-11-02 21:01:07,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381026575] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:01:07,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:01:07,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 21:01:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467098922]
[2022-11-02 21:01:07,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:01:07,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:01:07,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 21:01:07,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 21:01:07,162 INFO L87 Difference]: Start difference. First operand 21 states and 31 transitions. cyclomatic complexity: 14 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:07,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:01:07,277 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions.
[2022-11-02 21:01:07,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions.
[2022-11-02 21:01:07,278 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2022-11-02 21:01:07,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 49 transitions.
[2022-11-02 21:01:07,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29
[2022-11-02 21:01:07,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29
[2022-11-02 21:01:07,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions.
[2022-11-02 21:01:07,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:07,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 49 transitions.
[2022-11-02 21:01:07,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions.
[2022-11-02 21:01:07,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31.
[2022-11-02 21:01:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions.
[2022-11-02 21:01:07,282 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 43 transitions.
[2022-11-02 21:01:07,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-11-02 21:01:07,285 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 43 transitions.
[2022-11-02 21:01:07,285 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2022-11-02 21:01:07,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions.
[2022-11-02 21:01:07,286 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-02 21:01:07,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:07,286 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:07,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:07,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-02 21:01:07,287 INFO L748 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 370#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 386#L536 assume !(main_~length~0#1 < 1); 373#L536-2 assume !(main_~n~1#1 < 1); 375#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 365#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 366#L545-4 main_~i~1#1 := 0; 391#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 383#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 382#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 376#L550-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 377#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 371#L520-3
[2022-11-02 21:01:07,287 INFO L750 eck$LassoCheckResult]: Loop: 371#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 372#L520-1 assume !!(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 387#L521 assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 371#L520-3
[2022-11-02 21:01:07,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:07,287 INFO L85 PathProgramCache]: Analyzing trace with hash -294332618, now seen corresponding path program 1 times
[2022-11-02 21:01:07,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:07,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376784490]
[2022-11-02 21:01:07,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:07,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:07,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:07,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:07,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:07,323 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 2 times
[2022-11-02 21:01:07,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:07,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367904599]
[2022-11-02 21:01:07,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:07,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:07,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:07,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:07,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:07,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1860246402, now seen corresponding path program 1 times
[2022-11-02 21:01:07,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:07,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925759940]
[2022-11-02 21:01:07,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:07,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 21:01:07,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:01:07,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925759940]
[2022-11-02 21:01:07,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925759940] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:01:07,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:01:07,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 21:01:07,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278593876]
[2022-11-02 21:01:07,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:01:07,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:01:07,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 21:01:07,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-11-02 21:01:07,793 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. cyclomatic complexity: 17 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:07,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:01:07,907 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions.
[2022-11-02 21:01:07,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 73 transitions.
[2022-11-02 21:01:07,908 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2022-11-02 21:01:07,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 73 transitions.
[2022-11-02 21:01:07,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45
[2022-11-02 21:01:07,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45
[2022-11-02 21:01:07,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 73 transitions.
[2022-11-02 21:01:07,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:07,911 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 73 transitions.
[2022-11-02 21:01:07,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 73 transitions.
[2022-11-02 21:01:07,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40.
[2022-11-02 21:01:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.4) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions.
[2022-11-02 21:01:07,914 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 56 transitions.
[2022-11-02 21:01:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 21:01:07,922 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 56 transitions.
[2022-11-02 21:01:07,922 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============
[2022-11-02 21:01:07,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 56 transitions.
[2022-11-02 21:01:07,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-02 21:01:07,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:07,925 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:07,926 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:07,926 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 21:01:07,926 INFO L748 eck$LassoCheckResult]: Stem: 473#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 474#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 491#L536 assume !(main_~length~0#1 < 1); 477#L536-2 assume main_~n~1#1 < 1;main_~n~1#1 := 1; 478#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 469#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 470#L545-4 main_~i~1#1 := 0; 485#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 481#L550-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 482#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 475#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 476#L520-1 assume !(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1; 493#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 494#L526 assume !(0 != cstrlcpy_~siz#1 % 4294967296); 489#L528-2
[2022-11-02 21:01:07,927 INFO L750 eck$LassoCheckResult]: Loop: 489#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 490#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 489#L528-2
[2022-11-02 21:01:07,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:07,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952706, now seen corresponding path program 1 times
[2022-11-02 21:01:07,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:07,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453526957]
[2022-11-02 21:01:07,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:07,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:01:08,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:01:08,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453526957]
[2022-11-02 21:01:08,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453526957] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:01:08,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:01:08,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 21:01:08,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539491434]
[2022-11-02 21:01:08,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:01:08,056 INFO L753 eck$LassoCheckResult]: stem already infeasible
[2022-11-02 21:01:08,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:08,056 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 1 times
[2022-11-02 21:01:08,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:08,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809235006]
[2022-11-02 21:01:08,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:08,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:08,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:01:08,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:01:08,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:01:08,113 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. cyclomatic complexity: 22 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:08,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:01:08,153 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions.
[2022-11-02 21:01:08,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions.
[2022-11-02 21:01:08,155 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2022-11-02 21:01:08,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 64 transitions.
[2022-11-02 21:01:08,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40
[2022-11-02 21:01:08,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40
[2022-11-02 21:01:08,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 64 transitions.
[2022-11-02 21:01:08,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:08,161 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 64 transitions.
[2022-11-02 21:01:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 64 transitions.
[2022-11-02 21:01:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46.
[2022-11-02 21:01:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 45 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions.
[2022-11-02 21:01:08,173 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 62 transitions.
[2022-11-02 21:01:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 21:01:08,177 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 62 transitions.
[2022-11-02 21:01:08,177 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============
[2022-11-02 21:01:08,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 62 transitions.
[2022-11-02 21:01:08,178 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-02 21:01:08,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:08,178 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:08,179 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:08,179 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 21:01:08,179 INFO L748 eck$LassoCheckResult]: Stem: 571#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 572#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 589#L536 assume !(main_~length~0#1 < 1); 575#L536-2 assume main_~n~1#1 < 1;main_~n~1#1 := 1; 576#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 599#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 594#L545-4 main_~i~1#1 := 0; 582#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 583#L550-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 603#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 602#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 601#L520-1 assume !(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1; 595#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 592#L526 assume 0 != cstrlcpy_~siz#1 % 4294967296;call write~int(0, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, 1); 587#L528-2
[2022-11-02 21:01:08,179 INFO L750 eck$LassoCheckResult]: Loop: 587#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 588#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 587#L528-2
[2022-11-02 21:01:08,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:08,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952708, now seen corresponding path program 1 times
[2022-11-02 21:01:08,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:08,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131540195]
[2022-11-02 21:01:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:08,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:08,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:08,251 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 2 times
[2022-11-02 21:01:08,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:08,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511731806]
[2022-11-02 21:01:08,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:08,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:08,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1530728321, now seen corresponding path program 1 times
[2022-11-02 21:01:08,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:08,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371068656]
[2022-11-02 21:01:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:08,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:08,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:01:08,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:01:08,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371068656]
[2022-11-02 21:01:08,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371068656] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:01:08,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:01:08,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 21:01:08,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579134164]
[2022-11-02 21:01:08,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:01:08,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:01:08,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-02 21:01:08,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2022-11-02 21:01:08,797 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. cyclomatic complexity: 22 Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:01:08,939 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions.
[2022-11-02 21:01:08,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 85 transitions.
[2022-11-02 21:01:08,940 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7
[2022-11-02 21:01:08,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 52 states and 65 transitions.
[2022-11-02 21:01:08,941 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42
[2022-11-02 21:01:08,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42
[2022-11-02 21:01:08,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 65 transitions.
[2022-11-02 21:01:08,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:08,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 65 transitions.
[2022-11-02 21:01:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 65 transitions.
[2022-11-02 21:01:08,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46.
[2022-11-02 21:01:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:08,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions.
[2022-11-02 21:01:08,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 58 transitions.
[2022-11-02 21:01:08,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 21:01:08,947 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 58 transitions.
[2022-11-02 21:01:08,948 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============
[2022-11-02 21:01:08,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 58 transitions.
[2022-11-02 21:01:08,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-02 21:01:08,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:08,948 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:08,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:08,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-02 21:01:08,949 INFO L748 eck$LassoCheckResult]: Stem: 701#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 702#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 716#L536 assume !(main_~length~0#1 < 1); 705#L536-2 assume !(main_~n~1#1 < 1); 707#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 726#L545-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 725#L545-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 723#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 724#L545-4 main_~i~1#1 := 0; 741#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 737#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 736#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 734#L550-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 731#L519 assume 0 != cstrlcpy_~n~0#1 % 4294967296; 732#L520-3
[2022-11-02 21:01:08,949 INFO L750 eck$LassoCheckResult]: Loop: 732#L520-3 cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 742#L520-1 assume !!(0 != cstrlcpy_#t~pre2#1 % 4294967296);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 738#L521 assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 732#L520-3
[2022-11-02 21:01:08,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:08,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217428, now seen corresponding path program 1 times
[2022-11-02 21:01:08,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:08,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141137759]
[2022-11-02 21:01:08,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:08,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:08,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:08,987 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 3 times
[2022-11-02 21:01:08,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:08,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418704335]
[2022-11-02 21:01:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:08,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:08,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:08,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash -796650908, now seen corresponding path program 1 times
[2022-11-02 21:01:08,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:08,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465423451]
[2022-11-02 21:01:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:08,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:09,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:09,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:10,524 INFO L210 LassoAnalysis]: Preferences:
[2022-11-02 21:01:10,524 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-11-02 21:01:10,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-11-02 21:01:10,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-11-02 21:01:10,525 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-11-02 21:01:10,525 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:10,525 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-11-02 21:01:10,525 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-11-02 21:01:10,525 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration7_Lasso
[2022-11-02 21:01:10,525 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-11-02 21:01:10,525 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-11-02 21:01:10,531 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:10,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 21:01:12,818 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-11-02 21:01:12,819 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-11-02 21:01:12,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:12,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:12,827 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:12,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process
[2022-11-02 21:01:12,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:12,843 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:12,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:12,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:12,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:12,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:12,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:12,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:12,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:12,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:12,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:12,892 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:12,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process
[2022-11-02 21:01:12,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:12,905 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:12,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:12,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:12,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:12,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:12,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:12,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:12,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:12,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:12,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:12,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:12,936 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:12,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process
[2022-11-02 21:01:12,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:12,951 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:12,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:12,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:12,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:12,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:12,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:12,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:12,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,012 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,026 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,081 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,097 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,121 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,132 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0
[2022-11-02 21:01:13,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,155 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,167 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:13,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:13,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,195 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,206 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0
[2022-11-02 21:01:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,230 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,245 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,268 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,280 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0
[2022-11-02 21:01:13,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,305 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,317 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,343 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,356 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0
[2022-11-02 21:01:13,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,380 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,394 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,422 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,434 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:13,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:13,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0
[2022-11-02 21:01:13,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,462 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,474 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0
[2022-11-02 21:01:13,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,516 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,527 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0
[2022-11-02 21:01:13,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,552 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,564 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:13,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:13,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0
[2022-11-02 21:01:13,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,597 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,610 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0
[2022-11-02 21:01:13,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,641 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,655 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0
[2022-11-02 21:01:13,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,684 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,708 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,733 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,747 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0
[2022-11-02 21:01:13,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,776 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,789 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 21:01:13,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 21:01:13,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 21:01:13,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,833 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,846 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:13,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:13,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 21:01:13,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:13,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:13,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:13,884 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process
[2022-11-02 21:01:13,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 21:01:13,897 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 21:01:13,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 21:01:13,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 21:01:13,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 21:01:13,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 21:01:13,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 21:01:13,986 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-11-02 21:01:14,049 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver.
[2022-11-02 21:01:14,049 INFO L444 ModelExtractionUtils]: 15 out of 64 variables were initially zero. Simplification set additionally 46 variables to zero.
[2022-11-02 21:01:14,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:01:14,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:14,051 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:01:14,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process
[2022-11-02 21:01:14,052 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-11-02 21:01:14,076 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2022-11-02 21:01:14,076 INFO L513 LassoAnalysis]: Proved termination.
[2022-11-02 21:01:14,077 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrlcpy_~s~0#1.offset
Supporting invariants []
[2022-11-02 21:01:14,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:14,271 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed
[2022-11-02 21:01:14,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:14,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0
[2022-11-02 21:01:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:14,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-11-02 21:01:14,345 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:14,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core
[2022-11-02 21:01:14,436 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:01:14,478 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates
[2022-11-02 21:01:14,478 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 58 transitions. cyclomatic complexity: 18 Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:14,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 58 transitions. cyclomatic complexity: 18. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) Result 64 states and 83 transitions. Complement of second has 6 states.
[2022-11-02 21:01:14,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states
[2022-11-02 21:01:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions.
[2022-11-02 21:01:14,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 14 letters. Loop has 3 letters.
[2022-11-02 21:01:14,542 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:14,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 17 letters. Loop has 3 letters.
[2022-11-02 21:01:14,543 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:14,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 14 letters. Loop has 6 letters.
[2022-11-02 21:01:14,543 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 21:01:14,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 83 transitions.
[2022-11-02 21:01:14,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2022-11-02 21:01:14,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 18 states and 22 transitions.
[2022-11-02 21:01:14,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14
[2022-11-02 21:01:14,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14
[2022-11-02 21:01:14,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions.
[2022-11-02 21:01:14,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:14,546 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions.
[2022-11-02 21:01:14,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions.
[2022-11-02 21:01:14,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-11-02 21:01:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions.
[2022-11-02 21:01:14,547 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions.
[2022-11-02 21:01:14,547 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 22 transitions.
[2022-11-02 21:01:14,547 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============
[2022-11-02 21:01:14,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions.
[2022-11-02 21:01:14,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2022-11-02 21:01:14,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:14,548 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:14,549 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:14,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 21:01:14,549 INFO L748 eck$LassoCheckResult]: Stem: 980#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 981#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 991#L536 assume !(main_~length~0#1 < 1); 982#L536-2 assume !(main_~n~1#1 < 1); 983#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 976#L545-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 977#L545-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 978#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 979#L545-4 main_~i~1#1 := 0; 986#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 987#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 988#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 984#L550-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 985#L519 assume !(0 != cstrlcpy_~n~0#1 % 4294967296); 993#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 992#L526 assume !(0 != cstrlcpy_~siz#1 % 4294967296); 989#L528-2
[2022-11-02 21:01:14,549 INFO L750 eck$LassoCheckResult]: Loop: 989#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 990#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 989#L528-2
[2022-11-02 21:01:14,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash -718415251, now seen corresponding path program 1 times
[2022-11-02 21:01:14,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:14,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363871236]
[2022-11-02 21:01:14,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:14,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 21:01:14,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:01:14,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363871236]
[2022-11-02 21:01:14,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363871236] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 21:01:14,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929939014]
[2022-11-02 21:01:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:14,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 21:01:14,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:14,670 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 21:01:14,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process
[2022-11-02 21:01:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:14,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 23 conjunts are in the unsatisfiable core
[2022-11-02 21:01:14,762 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:14,805 INFO L190 IndexEqualityManager]: detected not equals via solver
[2022-11-02 21:01:14,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11
[2022-11-02 21:01:14,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8
[2022-11-02 21:01:14,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2022-11-02 21:01:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 21:01:14,957 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 21:01:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 21:01:15,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929939014] provided 1 perfect and 1 imperfect interpolant sequences
[2022-11-02 21:01:15,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2022-11-02 21:01:15,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 15
[2022-11-02 21:01:15,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905638300]
[2022-11-02 21:01:15,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:01:15,201 INFO L753 eck$LassoCheckResult]: stem already infeasible
[2022-11-02 21:01:15,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:15,201 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 3 times
[2022-11-02 21:01:15,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:15,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162249066]
[2022-11-02 21:01:15,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:15,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:15,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:15,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:15,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:01:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:01:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210
[2022-11-02 21:01:15,254 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. cyclomatic complexity: 7 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:01:15,333 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions.
[2022-11-02 21:01:15,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions.
[2022-11-02 21:01:15,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2022-11-02 21:01:15,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions.
[2022-11-02 21:01:15,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14
[2022-11-02 21:01:15,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14
[2022-11-02 21:01:15,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions.
[2022-11-02 21:01:15,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:15,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions.
[2022-11-02 21:01:15,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions.
[2022-11-02 21:01:15,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-11-02 21:01:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions.
[2022-11-02 21:01:15,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions.
[2022-11-02 21:01:15,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 21:01:15,338 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 21 transitions.
[2022-11-02 21:01:15,338 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============
[2022-11-02 21:01:15,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions.
[2022-11-02 21:01:15,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2022-11-02 21:01:15,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:01:15,339 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:01:15,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:01:15,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 21:01:15,339 INFO L748 eck$LassoCheckResult]: Stem: 1128#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1139#L536 assume !(main_~length~0#1 < 1); 1130#L536-2 assume !(main_~n~1#1 < 1); 1131#L539-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 1124#L545-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 1125#L545-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1126#L545-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 1127#L545-4 main_~i~1#1 := 0; 1136#L550-3 assume !!(main_~i~1#1 < main_~n~1#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 1137#L550-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1138#L550-3 assume !(main_~i~1#1 < main_~n~1#1 - 1); 1132#L550-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 1133#L519 assume !(0 != cstrlcpy_~n~0#1 % 4294967296); 1141#L519-1 assume 0 == cstrlcpy_~n~0#1 % 4294967296; 1140#L526 assume 0 != cstrlcpy_~siz#1 % 4294967296;call write~int(0, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, 1); 1134#L528-2
[2022-11-02 21:01:15,340 INFO L750 eck$LassoCheckResult]: Loop: 1134#L528-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 1135#L528 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 1134#L528-2
[2022-11-02 21:01:15,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:15,340 INFO L85 PathProgramCache]: Analyzing trace with hash -718415253, now seen corresponding path program 1 times
[2022-11-02 21:01:15,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:15,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463862185]
[2022-11-02 21:01:15,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:15,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 21:01:15,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:01:15,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463862185]
[2022-11-02 21:01:15,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463862185] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 21:01:15,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369203661]
[2022-11-02 21:01:15,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:15,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 21:01:15,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:01:15,467 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 21:01:15,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process
[2022-11-02 21:01:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:01:15,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-11-02 21:01:15,552 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 21:01:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 21:01:15,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 21:01:15,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369203661] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:01:15,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 21:01:15,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9
[2022-11-02 21:01:15,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991683168]
[2022-11-02 21:01:15,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:01:15,576 INFO L753 eck$LassoCheckResult]: stem already infeasible
[2022-11-02 21:01:15,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:01:15,576 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 4 times
[2022-11-02 21:01:15,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:01:15,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759312170]
[2022-11-02 21:01:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:01:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:01:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:15,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:01:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:01:15,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:01:15,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:01:15,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:01:15,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-11-02 21:01:15,622 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:01:15,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:01:15,637 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions.
[2022-11-02 21:01:15,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions.
[2022-11-02 21:01:15,638 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2022-11-02 21:01:15,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions.
[2022-11-02 21:01:15,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2022-11-02 21:01:15,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2022-11-02 21:01:15,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2022-11-02 21:01:15,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:01:15,639 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:01:15,639 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:01:15,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 21:01:15,640 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:01:15,640 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============
[2022-11-02 21:01:15,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2022-11-02 21:01:15,640 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2022-11-02 21:01:15,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2022-11-02 21:01:15,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:01:15 BoogieIcfgContainer
[2022-11-02 21:01:15,647 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-02 21:01:15,647 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 21:01:15,647 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 21:01:15,648 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 21:01:15,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:01" (3/4) ...
[2022-11-02 21:01:15,651 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-11-02 21:01:15,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 21:01:15,651 INFO L158 Benchmark]: Toolchain (without parser) took 15205.64ms. Allocated memory was 92.3MB in the beginning and 197.1MB in the end (delta: 104.9MB). Free memory was 71.3MB in the beginning and 110.2MB in the end (delta: -38.9MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB.
[2022-11-02 21:01:15,652 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:01:15,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.10ms. Allocated memory is still 92.3MB. Free memory was 71.3MB in the beginning and 59.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 21:01:15,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:01:15,652 INFO L158 Benchmark]: Boogie Preprocessor took 28.03ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:01:15,653 INFO L158 Benchmark]: RCFGBuilder took 495.18ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 43.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 21:01:15,653 INFO L158 Benchmark]: BuchiAutomizer took 14148.20ms. Allocated memory was 92.3MB in the beginning and 197.1MB in the end (delta: 104.9MB). Free memory was 43.1MB in the beginning and 111.2MB in the end (delta: -68.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB.
[2022-11-02 21:01:15,653 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 197.1MB. Free memory was 111.2MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:01:15,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 480.10ms. Allocated memory is still 92.3MB. Free memory was 71.3MB in the beginning and 59.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.32ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 28.03ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 495.18ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 43.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* BuchiAutomizer took 14148.20ms. Allocated memory was 92.3MB in the beginning and 197.1MB in the end (delta: 104.9MB). Free memory was 43.1MB in the beginning and 111.2MB in the end (delta: -68.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB.
* Witness Printer took 3.47ms. Allocated memory is still 197.1MB. Free memory was 111.2MB in the beginning and 110.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 8 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 14.0s and 10 iterations. TraceHistogramMax:1. Analysis of lassos took 12.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 28 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 293 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 590 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 409 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 181 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU3 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital192 mio100 ax111 hnf100 lsp84 ukn83 mio100 lsp50 div177 bol100 ite100 ukn100 eq161 hnf92 smp72 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 172ms VariablesStem: 8 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2022-11-02 21:01:15,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0
[2022-11-02 21:01:15,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0
[2022-11-02 21:01:16,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16a28a1-2031-4cd2-acb1-7d68373576b4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE