./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-2.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 38b53e6a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R --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 64bit --witnessprinter.graph.data.programhash a94e514ac338898e2e1e54a42b19ae4490ac5c412319209fc14736a6de9b7386
--- 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-38b53e6
[2022-11-25 17:22:52,834 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-25 17:22:52,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-25 17:22:52,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-25 17:22:52,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-25 17:22:52,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-25 17:22:52,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-25 17:22:52,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-25 17:22:52,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-25 17:22:52,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-25 17:22:52,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-25 17:22:52,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-25 17:22:52,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-25 17:22:52,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-25 17:22:52,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-25 17:22:52,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-25 17:22:52,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-25 17:22:52,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-25 17:22:52,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-25 17:22:52,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-25 17:22:52,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-25 17:22:52,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-25 17:22:52,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-25 17:22:52,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-25 17:22:52,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-25 17:22:52,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-25 17:22:52,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-25 17:22:52,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-25 17:22:52,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-25 17:22:52,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-25 17:22:52,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-25 17:22:52,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-25 17:22:52,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-25 17:22:52,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-25 17:22:52,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-25 17:22:52,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-25 17:22:52,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-25 17:22:52,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-25 17:22:52,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-25 17:22:52,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-25 17:22:52,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-25 17:22:52,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf
[2022-11-25 17:22:52,943 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-25 17:22:52,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-25 17:22:52,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-25 17:22:52,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-25 17:22:52,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-25 17:22:52,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-25 17:22:52,947 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-25 17:22:52,948 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-25 17:22:52,948 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-11-25 17:22:52,949 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-11-25 17:22:52,949 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-11-25 17:22:52,949 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-11-25 17:22:52,950 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-25 17:22:52,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-25 17:22:52,951 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-25 17:22:52,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-25 17:22:52,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-25 17:22:52,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-11-25 17:22:52,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-25 17:22:52,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-11-25 17:22:52,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-25 17:22:52,953 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-11-25 17:22:52,954 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-25 17:22:52,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-11-25 17:22:52,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-25 17:22:52,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-25 17:22:52,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-25 17:22:52,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-25 17:22:52,957 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-25 17:22:52,958 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_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a94e514ac338898e2e1e54a42b19ae4490ac5c412319209fc14736a6de9b7386
[2022-11-25 17:22:53,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-25 17:22:53,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-25 17:22:53,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-25 17:22:53,275 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-25 17:22:53,276 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-25 17:22:53,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-2.i
[2022-11-25 17:22:56,819 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-11-25 17:22:57,181 INFO L351 CDTParser]: Found 1 translation units.
[2022-11-25 17:22:57,181 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-2.i
[2022-11-25 17:22:57,194 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/data/186b6afd5/ed701bc29f87432795363206c2ce3330/FLAG363a0768d
[2022-11-25 17:22:57,218 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/data/186b6afd5/ed701bc29f87432795363206c2ce3330
[2022-11-25 17:22:57,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-25 17:22:57,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-25 17:22:57,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-25 17:22:57,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-25 17:22:57,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-25 17:22:57,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d983ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57, skipping insertion in model container
[2022-11-25 17:22:57,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-25 17:22:57,308 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-25 17:22:57,644 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-25 17:22:57,667 INFO L203 MainTranslator]: Completed pre-run
[2022-11-25 17:22:57,744 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-25 17:22:57,778 INFO L208 MainTranslator]: Completed translation
[2022-11-25 17:22:57,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57 WrapperNode
[2022-11-25 17:22:57,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-25 17:22:57,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-25 17:22:57,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-25 17:22:57,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-25 17:22:57,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,862 INFO L138 Inliner]: procedures = 115, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40
[2022-11-25 17:22:57,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-25 17:22:57,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-25 17:22:57,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-25 17:22:57,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-25 17:22:57,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-25 17:22:57,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-25 17:22:57,932 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-25 17:22:57,933 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-25 17:22:57,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (1/1) ...
[2022-11-25 17:22:57,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:22:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:22:57,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:22:57,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-25 17:22:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll
[2022-11-25 17:22:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll
[2022-11-25 17:22:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-25 17:22:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-11-25 17:22:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-11-25 17:22:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-11-25 17:22:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure length
[2022-11-25 17:22:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure length
[2022-11-25 17:22:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-25 17:22:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-25 17:22:58,187 INFO L235 CfgBuilder]: Building ICFG
[2022-11-25 17:22:58,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-25 17:22:58,424 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-25 17:22:58,433 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-25 17:22:58,433 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-25 17:22:58,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:58 BoogieIcfgContainer
[2022-11-25 17:22:58,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-25 17:22:58,437 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-25 17:22:58,438 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-11-25 17:22:58,443 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-11-25 17:22:58,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-25 17:22:58,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:22:57" (1/3) ...
[2022-11-25 17:22:58,445 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16cd6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:22:58, skipping insertion in model container
[2022-11-25 17:22:58,445 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-25 17:22:58,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:22:57" (2/3) ...
[2022-11-25 17:22:58,446 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16cd6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:22:58, skipping insertion in model container
[2022-11-25 17:22:58,446 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-25 17:22:58,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:58" (3/3) ...
[2022-11-25 17:22:58,448 INFO L332 chiAutomizerObserver]: Analyzing ICFG ll_append-alloca-2.i
[2022-11-25 17:22:58,560 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2022-11-25 17:22:58,561 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2022-11-25 17:22:58,561 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-25 17:22:58,561 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-25 17:22:58,561 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-25 17:22:58,562 INFO L308 stractBuchiCegarLoop]: Difference is false
[2022-11-25 17:22:58,562 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-25 17:22:58,562 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-25 17:22:58,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2022-11-25 17:22:58,597 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8
[2022-11-25 17:22:58,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-25 17:22:58,597 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-25 17:22:58,605 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2022-11-25 17:22:58,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-25 17:22:58,606 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-25 17:22:58,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2022-11-25 17:22:58,609 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8
[2022-11-25 17:22:58,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-25 17:22:58,610 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-25 17:22:58,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2022-11-25 17:22:58,610 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-25 17:22:58,621 INFO L748 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~y_length~0#1;main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 14#L574true assume !(main_~n~0#1 < 1); 26#L577true call main_#t~ret9#1.base, main_#t~ret9#1.offset := new_ll(main_~n~0#1);< 13#new_llENTRYtrue
[2022-11-25 17:22:58,621 INFO L750 eck$LassoCheckResult]: Loop: 13#new_llENTRYtrue ~n := #in~n; 20#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 15#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 13#new_llENTRYtrue
[2022-11-25 17:22:58,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:22:58,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1418244, now seen corresponding path program 1 times
[2022-11-25 17:22:58,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:22:58,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453663126]
[2022-11-25 17:22:58,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:22:58,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:22:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:22:58,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:22:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:22:58,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:22:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:22:58,847 INFO L85 PathProgramCache]: Analyzing trace with hash 29967, now seen corresponding path program 1 times
[2022-11-25 17:22:58,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:22:58,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833155379]
[2022-11-25 17:22:58,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:22:58,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:22:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:22:58,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:22:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:22:58,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:22:58,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:22:58,934 INFO L85 PathProgramCache]: Analyzing trace with hash -698765780, now seen corresponding path program 1 times
[2022-11-25 17:22:58,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:22:58,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49266633]
[2022-11-25 17:22:58,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:22:58,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:22:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:22:58,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:22:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:22:59,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:00,252 INFO L210 LassoAnalysis]: Preferences:
[2022-11-25 17:23:00,253 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-11-25 17:23:00,253 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-11-25 17:23:00,253 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-11-25 17:23:00,254 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-11-25 17:23:00,254 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:00,254 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-11-25 17:23:00,254 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-11-25 17:23:00,254 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_append-alloca-2.i_Iteration1_Lasso
[2022-11-25 17:23:00,255 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-11-25 17:23:00,255 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-11-25 17:23:00,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,295 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-25 17:23:00,861 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-11-25 17:23:00,867 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-11-25 17:23:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:00,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:00,885 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
[2022-11-25 17:23:00,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2022-11-25 17:23:00,901 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:00,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:00,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:00,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:00,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:00,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:00,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:00,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:00,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:00,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:00,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:00,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2022-11-25 17:23:00,938 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
[2022-11-25 17:23:00,958 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:00,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:00,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:00,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:00,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:00,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:00,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:00,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:00,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:00,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:00,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:00,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,000 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
[2022-11-25 17:23:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,017 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,072 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
[2022-11-25 17:23:01,086 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,120 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
[2022-11-25 17:23:01,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,136 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,161 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,168 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
[2022-11-25 17:23:01,183 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,215 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,229 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
[2022-11-25 17:23:01,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,244 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,276 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,290 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
[2022-11-25 17:23:01,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,304 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,333 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,345 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
[2022-11-25 17:23:01,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,360 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,377 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,386 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
[2022-11-25 17:23:01,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,401 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,422 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,428 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
[2022-11-25 17:23:01,444 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,471 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,476 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
[2022-11-25 17:23:01,491 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-25 17:23:01,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-25 17:23:01,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,533 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,548 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
[2022-11-25 17:23:01,563 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,599 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,608 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
[2022-11-25 17:23:01,623 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,647 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,661 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
[2022-11-25 17:23:01,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,677 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,709 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,722 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
[2022-11-25 17:23:01,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,738 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,772 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,780 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
[2022-11-25 17:23:01,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,795 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,819 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,829 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
[2022-11-25 17:23:01,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,843 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,865 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,871 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
[2022-11-25 17:23:01,886 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,914 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,920 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
[2022-11-25 17:23:01,936 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:01,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,962 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,968 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
[2022-11-25 17:23:01,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,982 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:01,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:01,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:01,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:01,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:01,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:01,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:01,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:01,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0
[2022-11-25 17:23:01,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:01,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:01,991 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:01,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process
[2022-11-25 17:23:01,998 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
[2022-11-25 17:23:02,009 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:02,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:02,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:02,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:02,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:02,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,051 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,060 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
[2022-11-25 17:23:02,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,076 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:02,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:02,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:02,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:02,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:02,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,111 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,116 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
[2022-11-25 17:23:02,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,132 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:02,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-25 17:23:02,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-25 17:23:02,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:02,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,173 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,179 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
[2022-11-25 17:23:02,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,194 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:02,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:02,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:02,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:02,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:02,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,227 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,232 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
[2022-11-25 17:23:02,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,248 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:02,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:02,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:02,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:02,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:02,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,279 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,284 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
[2022-11-25 17:23:02,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,300 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:02,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:02,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:02,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:02,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:02,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,335 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,341 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
[2022-11-25 17:23:02,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,357 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-25 17:23:02,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-25 17:23:02,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-25 17:23:02,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-25 17:23:02,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-25 17:23:02,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,387 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,392 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
[2022-11-25 17:23:02,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,408 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-25 17:23:02,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-25 17:23:02,408 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts
[2022-11-25 17:23:02,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-25 17:23:02,419 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications.
[2022-11-25 17:23:02,419 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added.
[2022-11-25 17:23:02,443 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-11-25 17:23:02,497 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver.
[2022-11-25 17:23:02,497 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero.
[2022-11-25 17:23:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-25 17:23:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:02,535 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-25 17:23:02,565 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-11-25 17:23:02,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process
[2022-11-25 17:23:02,591 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4.
[2022-11-25 17:23:02,591 INFO L513 LassoAnalysis]: Proved termination.
[2022-11-25 17:23:02,592 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n
Supporting invariants [1*new_ll_#in~n >= 0]
[2022-11-25 17:23:02,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:02,608 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed
[2022-11-25 17:23:02,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:02,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-25 17:23:02,681 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 17:23:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:02,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-11-25 17:23:02,740 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 17:23:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 17:23:02,833 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates
[2022-11-25 17:23:02,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 17:23:02,989 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4). Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 54 transitions. Complement of second has 13 states.
[2022-11-25 17:23:02,991 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
[2022-11-25 17:23:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 17:23:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions.
[2022-11-25 17:23:03,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters.
[2022-11-25 17:23:03,004 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-25 17:23:03,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters.
[2022-11-25 17:23:03,004 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-25 17:23:03,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters.
[2022-11-25 17:23:03,005 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-25 17:23:03,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 54 transitions.
[2022-11-25 17:23:03,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:03,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 29 states and 37 transitions.
[2022-11-25 17:23:03,027 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22
[2022-11-25 17:23:03,027 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24
[2022-11-25 17:23:03,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions.
[2022-11-25 17:23:03,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2022-11-25 17:23:03,029 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions.
[2022-11-25 17:23:03,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions.
[2022-11-25 17:23:03,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27.
[2022-11-25 17:23:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.25) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2022-11-25 17:23:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions.
[2022-11-25 17:23:03,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 33 transitions.
[2022-11-25 17:23:03,063 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 33 transitions.
[2022-11-25 17:23:03,064 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-11-25 17:23:03,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions.
[2022-11-25 17:23:03,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:03,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-25 17:23:03,067 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-25 17:23:03,069 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 17:23:03,069 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-25 17:23:03,069 INFO L748 eck$LassoCheckResult]: Stem: 145#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~y_length~0#1;main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 153#L574 assume !(main_~n~0#1 < 1); 142#L577 call main_#t~ret9#1.base, main_#t~ret9#1.offset := new_ll(main_~n~0#1);< 161#new_llENTRY ~n := #in~n; 162#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 164#new_llFINAL assume true; 158#new_llEXIT >#57#return; 156#L577-1 main_~x~0#1.base, main_~x~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_append } true;append_#in~x#1.base, append_#in~x#1.offset, append_#in~y#1.base, append_#in~y#1.offset := main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;havoc append_#res#1.base, append_#res#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_~x#1.base, append_~x#1.offset, append_~y#1.base, append_~y#1.offset, append_~s~0#1.base, append_~s~0#1.offset;append_~x#1.base, append_~x#1.offset := append_#in~x#1.base, append_#in~x#1.offset;append_~y#1.base, append_~y#1.offset := append_#in~y#1.base, append_#in~y#1.offset; 157#L563 assume !(append_~x#1.base == 0 && append_~x#1.offset == 0);append_~s~0#1.base, append_~s~0#1.offset := append_~x#1.base, append_~x#1.offset; 159#L566-3
[2022-11-25 17:23:03,070 INFO L750 eck$LassoCheckResult]: Loop: 159#L566-3 call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~x#1.base, 4 + append_~x#1.offset, 8); 160#L566-1 assume !!(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~x#1.base, 4 + append_~x#1.offset, 8);append_~x#1.base, append_~x#1.offset := append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset; 159#L566-3
[2022-11-25 17:23:03,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:03,074 INFO L85 PathProgramCache]: Analyzing trace with hash 772923198, now seen corresponding path program 1 times
[2022-11-25 17:23:03,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:03,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901149492]
[2022-11-25 17:23:03,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:03,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-25 17:23:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:03,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0
[2022-11-25 17:23:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 17:23:03,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 17:23:03,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901149492]
[2022-11-25 17:23:03,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901149492] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 17:23:03,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 17:23:03,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-25 17:23:03,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397452341]
[2022-11-25 17:23:03,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 17:23:03,298 INFO L753 eck$LassoCheckResult]: stem already infeasible
[2022-11-25 17:23:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:03,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2086, now seen corresponding path program 1 times
[2022-11-25 17:23:03,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:03,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953786162]
[2022-11-25 17:23:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:03,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:03,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:03,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:03,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 17:23:03,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-25 17:23:03,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-25 17:23:03,384 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-25 17:23:03,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 17:23:03,496 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions.
[2022-11-25 17:23:03,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions.
[2022-11-25 17:23:03,509 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:03,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 36 transitions.
[2022-11-25 17:23:03,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28
[2022-11-25 17:23:03,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28
[2022-11-25 17:23:03,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions.
[2022-11-25 17:23:03,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2022-11-25 17:23:03,512 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions.
[2022-11-25 17:23:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions.
[2022-11-25 17:23:03,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29.
[2022-11-25 17:23:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2022-11-25 17:23:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions.
[2022-11-25 17:23:03,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 34 transitions.
[2022-11-25 17:23:03,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-25 17:23:03,520 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 34 transitions.
[2022-11-25 17:23:03,520 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2022-11-25 17:23:03,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions.
[2022-11-25 17:23:03,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:03,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-25 17:23:03,525 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-25 17:23:03,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 17:23:03,526 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-25 17:23:03,526 INFO L748 eck$LassoCheckResult]: Stem: 218#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 219#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~y_length~0#1;main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 226#L574 assume !(main_~n~0#1 < 1); 216#L577 call main_#t~ret9#1.base, main_#t~ret9#1.offset := new_ll(main_~n~0#1);< 233#new_llENTRY ~n := #in~n; 223#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 224#new_llFINAL assume true; 227#new_llEXIT >#57#return; 229#L577-1 main_~x~0#1.base, main_~x~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_append } true;append_#in~x#1.base, append_#in~x#1.offset, append_#in~y#1.base, append_#in~y#1.offset := main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;havoc append_#res#1.base, append_#res#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_~x#1.base, append_~x#1.offset, append_~y#1.base, append_~y#1.offset, append_~s~0#1.base, append_~s~0#1.offset;append_~x#1.base, append_~x#1.offset := append_#in~x#1.base, append_#in~x#1.offset;append_~y#1.base, append_~y#1.offset := append_#in~y#1.base, append_#in~y#1.offset; 230#L563 assume append_~x#1.base == 0 && append_~x#1.offset == 0;append_#res#1.base, append_#res#1.offset := append_~y#1.base, append_~y#1.offset; 212#L569 main_#t~ret10#1.base, main_#t~ret10#1.offset := append_#res#1.base, append_#res#1.offset;assume { :end_inline_append } true;main_~y~0#1.base, main_~y~0#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset; 213#L579 call main_#t~ret11#1 := length(main_~y~0#1.base, main_~y~0#1.offset);< 228#lengthENTRY
[2022-11-25 17:23:03,527 INFO L750 eck$LassoCheckResult]: Loop: 228#lengthENTRY ~xs.base, ~xs.offset := #in~xs.base, #in~xs.offset; 221#L557 assume !(~xs.base == 0 && ~xs.offset == 0);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~xs.base, 4 + ~xs.offset, 8); 222#L559 call #t~ret5 := length(#t~mem4.base, #t~mem4.offset);< 228#lengthENTRY
[2022-11-25 17:23:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:03,527 INFO L85 PathProgramCache]: Analyzing trace with hash -250149368, now seen corresponding path program 1 times
[2022-11-25 17:23:03,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:03,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197142675]
[2022-11-25 17:23:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:03,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-25 17:23:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 17:23:03,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 17:23:03,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197142675]
[2022-11-25 17:23:03,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197142675] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 17:23:03,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 17:23:03,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-25 17:23:03,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292069885]
[2022-11-25 17:23:03,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 17:23:03,665 INFO L753 eck$LassoCheckResult]: stem already infeasible
[2022-11-25 17:23:03,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash 37905, now seen corresponding path program 1 times
[2022-11-25 17:23:03,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:03,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216985242]
[2022-11-25 17:23:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:03,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:03,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:03,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:03,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 17:23:03,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-25 17:23:03,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-25 17:23:03,874 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-25 17:23:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 17:23:03,975 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions.
[2022-11-25 17:23:03,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions.
[2022-11-25 17:23:03,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:03,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 24 states and 28 transitions.
[2022-11-25 17:23:03,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21
[2022-11-25 17:23:03,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21
[2022-11-25 17:23:03,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions.
[2022-11-25 17:23:03,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2022-11-25 17:23:03,978 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions.
[2022-11-25 17:23:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions.
[2022-11-25 17:23:03,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2022-11-25 17:23:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-25 17:23:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions.
[2022-11-25 17:23:03,981 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions.
[2022-11-25 17:23:03,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-25 17:23:03,983 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 28 transitions.
[2022-11-25 17:23:03,983 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2022-11-25 17:23:03,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 28 transitions.
[2022-11-25 17:23:03,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:03,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-25 17:23:03,984 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-25 17:23:03,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 17:23:03,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-25 17:23:03,985 INFO L748 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~y_length~0#1;main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 299#L574 assume !(main_~n~0#1 < 1); 286#L577 call main_#t~ret9#1.base, main_#t~ret9#1.offset := new_ll(main_~n~0#1);< 306#new_llENTRY ~n := #in~n; 298#L548 assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 287#L552 call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 307#new_llENTRY ~n := #in~n; 296#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 297#new_llFINAL assume true; 300#new_llEXIT >#53#return; 285#L552-1 call write~$Pointer$(#t~ret3.base, #t~ret3.offset, ~head~0.base, 4 + ~head~0.offset, 8);havoc #t~ret3.base, #t~ret3.offset;#res.base, #res.offset := ~head~0.base, ~head~0.offset; 288#new_llFINAL assume true; 308#new_llEXIT >#57#return; 302#L577-1 main_~x~0#1.base, main_~x~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_append } true;append_#in~x#1.base, append_#in~x#1.offset, append_#in~y#1.base, append_#in~y#1.offset := main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;havoc append_#res#1.base, append_#res#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_~x#1.base, append_~x#1.offset, append_~y#1.base, append_~y#1.offset, append_~s~0#1.base, append_~s~0#1.offset;append_~x#1.base, append_~x#1.offset := append_#in~x#1.base, append_#in~x#1.offset;append_~y#1.base, append_~y#1.offset := append_#in~y#1.base, append_#in~y#1.offset; 303#L563 assume !(append_~x#1.base == 0 && append_~x#1.offset == 0);append_~s~0#1.base, append_~s~0#1.offset := append_~x#1.base, append_~x#1.offset; 304#L566-3
[2022-11-25 17:23:03,985 INFO L750 eck$LassoCheckResult]: Loop: 304#L566-3 call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~x#1.base, 4 + append_~x#1.offset, 8); 305#L566-1 assume !!(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~x#1.base, 4 + append_~x#1.offset, 8);append_~x#1.base, append_~x#1.offset := append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset; 304#L566-3
[2022-11-25 17:23:03,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:03,986 INFO L85 PathProgramCache]: Analyzing trace with hash 704779872, now seen corresponding path program 1 times
[2022-11-25 17:23:03,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:03,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626487323]
[2022-11-25 17:23:03,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:03,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:04,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:04,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:04,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:04,060 INFO L85 PathProgramCache]: Analyzing trace with hash 2086, now seen corresponding path program 2 times
[2022-11-25 17:23:04,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:04,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995874194]
[2022-11-25 17:23:04,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:04,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:04,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:04,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:04,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:04,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1311374651, now seen corresponding path program 1 times
[2022-11-25 17:23:04,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:04,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695571654]
[2022-11-25 17:23:04,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:04,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-25 17:23:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-11-25 17:23:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-25 17:23:04,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 17:23:04,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695571654]
[2022-11-25 17:23:04,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695571654] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 17:23:04,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446037820]
[2022-11-25 17:23:04,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:04,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 17:23:04,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 17:23:04,764 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 17:23:04,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process
[2022-11-25 17:23:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:04,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 48 conjunts are in the unsatisfiable core
[2022-11-25 17:23:04,865 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 17:23:04,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-11-25 17:23:05,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-11-25 17:23:05,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-11-25 17:23:05,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7
[2022-11-25 17:23:05,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7
[2022-11-25 17:23:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 17:23:05,275 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 17:23:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-25 17:23:05,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446037820] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 17:23:05,757 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 17:23:05,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 7] total 21
[2022-11-25 17:23:05,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051501920]
[2022-11-25 17:23:05,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 17:23:05,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 17:23:05,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2022-11-25 17:23:05,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462
[2022-11-25 17:23:05,822 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. cyclomatic complexity: 7 Second operand has 22 states, 20 states have (on average 1.55) internal successors, (31), 15 states have internal predecessors, (31), 2 states have call successors, (5), 3 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6)
[2022-11-25 17:23:06,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 17:23:06,389 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions.
[2022-11-25 17:23:06,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions.
[2022-11-25 17:23:06,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:06,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 40 transitions.
[2022-11-25 17:23:06,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31
[2022-11-25 17:23:06,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31
[2022-11-25 17:23:06,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 40 transitions.
[2022-11-25 17:23:06,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2022-11-25 17:23:06,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 40 transitions.
[2022-11-25 17:23:06,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 40 transitions.
[2022-11-25 17:23:06,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31.
[2022-11-25 17:23:06,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 23 states have internal predecessors, (28), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5)
[2022-11-25 17:23:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions.
[2022-11-25 17:23:06,397 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 37 transitions.
[2022-11-25 17:23:06,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2022-11-25 17:23:06,398 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 37 transitions.
[2022-11-25 17:23:06,399 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============
[2022-11-25 17:23:06,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 37 transitions.
[2022-11-25 17:23:06,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:06,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-25 17:23:06,400 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-25 17:23:06,401 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 17:23:06,401 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-25 17:23:06,401 INFO L748 eck$LassoCheckResult]: Stem: 504#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 505#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~y_length~0#1;main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 512#L574 assume !(main_~n~0#1 < 1); 500#L577 call main_#t~ret9#1.base, main_#t~ret9#1.offset := new_ll(main_~n~0#1);< 521#new_llENTRY ~n := #in~n; 511#L548 assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 499#L552 call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 522#new_llENTRY ~n := #in~n; 509#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 510#new_llFINAL assume true; 517#new_llEXIT >#53#return; 518#L552-1 call write~$Pointer$(#t~ret3.base, #t~ret3.offset, ~head~0.base, 4 + ~head~0.offset, 8);havoc #t~ret3.base, #t~ret3.offset;#res.base, #res.offset := ~head~0.base, ~head~0.offset; 528#new_llFINAL assume true; 527#new_llEXIT >#57#return; 515#L577-1 main_~x~0#1.base, main_~x~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_append } true;append_#in~x#1.base, append_#in~x#1.offset, append_#in~y#1.base, append_#in~y#1.offset := main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;havoc append_#res#1.base, append_#res#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_~x#1.base, append_~x#1.offset, append_~y#1.base, append_~y#1.offset, append_~s~0#1.base, append_~s~0#1.offset;append_~x#1.base, append_~x#1.offset := append_#in~x#1.base, append_#in~x#1.offset;append_~y#1.base, append_~y#1.offset := append_#in~y#1.base, append_#in~y#1.offset; 516#L563 assume append_~x#1.base == 0 && append_~x#1.offset == 0;append_#res#1.base, append_#res#1.offset := append_~y#1.base, append_~y#1.offset; 502#L569 main_#t~ret10#1.base, main_#t~ret10#1.offset := append_#res#1.base, append_#res#1.offset;assume { :end_inline_append } true;main_~y~0#1.base, main_~y~0#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset; 503#L579 call main_#t~ret11#1 := length(main_~y~0#1.base, main_~y~0#1.offset);< 514#lengthENTRY
[2022-11-25 17:23:06,401 INFO L750 eck$LassoCheckResult]: Loop: 514#lengthENTRY ~xs.base, ~xs.offset := #in~xs.base, #in~xs.offset; 507#L557 assume !(~xs.base == 0 && ~xs.offset == 0);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~xs.base, 4 + ~xs.offset, 8); 508#L559 call #t~ret5 := length(#t~mem4.base, #t~mem4.offset);< 514#lengthENTRY
[2022-11-25 17:23:06,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:06,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1311376214, now seen corresponding path program 1 times
[2022-11-25 17:23:06,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:06,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652582534]
[2022-11-25 17:23:06,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:06,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-25 17:23:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-11-25 17:23:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 17:23:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-25 17:23:06,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 17:23:06,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652582534]
[2022-11-25 17:23:06,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652582534] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 17:23:06,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 17:23:06,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-25 17:23:06,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736903705]
[2022-11-25 17:23:06,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 17:23:06,572 INFO L753 eck$LassoCheckResult]: stem already infeasible
[2022-11-25 17:23:06,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash 37905, now seen corresponding path program 2 times
[2022-11-25 17:23:06,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:06,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798575447]
[2022-11-25 17:23:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:06,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:06,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 17:23:06,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-25 17:23:06,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-11-25 17:23:06,751 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-25 17:23:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 17:23:06,838 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions.
[2022-11-25 17:23:06,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 41 transitions.
[2022-11-25 17:23:06,840 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:06,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 41 transitions.
[2022-11-25 17:23:06,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33
[2022-11-25 17:23:06,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33
[2022-11-25 17:23:06,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 41 transitions.
[2022-11-25 17:23:06,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2022-11-25 17:23:06,841 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 41 transitions.
[2022-11-25 17:23:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 41 transitions.
[2022-11-25 17:23:06,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31.
[2022-11-25 17:23:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5)
[2022-11-25 17:23:06,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions.
[2022-11-25 17:23:06,845 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 35 transitions.
[2022-11-25 17:23:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-25 17:23:06,850 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 35 transitions.
[2022-11-25 17:23:06,851 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============
[2022-11-25 17:23:06,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 35 transitions.
[2022-11-25 17:23:06,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5
[2022-11-25 17:23:06,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-25 17:23:06,852 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-25 17:23:06,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 17:23:06,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-25 17:23:06,853 INFO L748 eck$LassoCheckResult]: Stem: 598#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 599#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~y_length~0#1;main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 606#L574 assume !(main_~n~0#1 < 1); 593#L577 call main_#t~ret9#1.base, main_#t~ret9#1.offset := new_ll(main_~n~0#1);< 616#new_llENTRY ~n := #in~n; 605#L548 assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 594#L552 call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 617#new_llENTRY ~n := #in~n; 603#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 604#new_llFINAL assume true; 611#new_llEXIT >#53#return; 612#L552-1 call write~$Pointer$(#t~ret3.base, #t~ret3.offset, ~head~0.base, 4 + ~head~0.offset, 8);havoc #t~ret3.base, #t~ret3.offset;#res.base, #res.offset := ~head~0.base, ~head~0.offset; 622#new_llFINAL assume true; 619#new_llEXIT >#57#return; 609#L577-1 main_~x~0#1.base, main_~x~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_append } true;append_#in~x#1.base, append_#in~x#1.offset, append_#in~y#1.base, append_#in~y#1.offset := main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;havoc append_#res#1.base, append_#res#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_~x#1.base, append_~x#1.offset, append_~y#1.base, append_~y#1.offset, append_~s~0#1.base, append_~s~0#1.offset;append_~x#1.base, append_~x#1.offset := append_#in~x#1.base, append_#in~x#1.offset;append_~y#1.base, append_~y#1.offset := append_#in~y#1.base, append_#in~y#1.offset; 610#L563 assume !(append_~x#1.base == 0 && append_~x#1.offset == 0);append_~s~0#1.base, append_~s~0#1.offset := append_~x#1.base, append_~x#1.offset; 620#L566-3 call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~x#1.base, 4 + append_~x#1.offset, 8); 615#L566-1 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset; 600#L566-4 call write~$Pointer$(append_~y#1.base, append_~y#1.offset, append_~x#1.base, 4 + append_~x#1.offset, 8);append_#res#1.base, append_#res#1.offset := append_~s~0#1.base, append_~s~0#1.offset; 596#L569 main_#t~ret10#1.base, main_#t~ret10#1.offset := append_#res#1.base, append_#res#1.offset;assume { :end_inline_append } true;main_~y~0#1.base, main_~y~0#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset; 597#L579 call main_#t~ret11#1 := length(main_~y~0#1.base, main_~y~0#1.offset);< 607#lengthENTRY
[2022-11-25 17:23:06,853 INFO L750 eck$LassoCheckResult]: Loop: 607#lengthENTRY ~xs.base, ~xs.offset := #in~xs.base, #in~xs.offset; 601#L557 assume !(~xs.base == 0 && ~xs.offset == 0);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~xs.base, 4 + ~xs.offset, 8); 602#L559 call #t~ret5 := length(#t~mem4.base, #t~mem4.offset);< 607#lengthENTRY
[2022-11-25 17:23:06,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:06,854 INFO L85 PathProgramCache]: Analyzing trace with hash -139719339, now seen corresponding path program 1 times
[2022-11-25 17:23:06,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:06,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480974319]
[2022-11-25 17:23:06,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:06,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:06,923 INFO L85 PathProgramCache]: Analyzing trace with hash 37905, now seen corresponding path program 3 times
[2022-11-25 17:23:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:06,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453725983]
[2022-11-25 17:23:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:06,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 17:23:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash -555510211, now seen corresponding path program 1 times
[2022-11-25 17:23:06,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 17:23:06,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283252690]
[2022-11-25 17:23:06,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 17:23:06,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 17:23:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:06,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-25 17:23:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:10,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-25 17:23:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-25 17:23:10,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:23:10 BoogieIcfgContainer
[2022-11-25 17:23:10,311 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-25 17:23:10,312 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-25 17:23:10,312 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-25 17:23:10,313 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-25 17:23:10,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:22:58" (3/4) ...
[2022-11-25 17:23:10,317 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2022-11-25 17:23:10,389 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/witness.graphml
[2022-11-25 17:23:10,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-25 17:23:10,391 INFO L158 Benchmark]: Toolchain (without parser) took 13163.72ms. Allocated memory was 140.5MB in the beginning and 211.8MB in the end (delta: 71.3MB). Free memory was 108.6MB in the beginning and 154.3MB in the end (delta: -45.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB.
[2022-11-25 17:23:10,391 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 140.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-25 17:23:10,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.74ms. Allocated memory is still 140.5MB. Free memory was 108.6MB in the beginning and 92.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-11-25 17:23:10,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.41ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 90.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 17:23:10,392 INFO L158 Benchmark]: Boogie Preprocessor took 67.02ms. Allocated memory is still 140.5MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 17:23:10,393 INFO L158 Benchmark]: RCFGBuilder took 504.35ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 76.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-25 17:23:10,394 INFO L158 Benchmark]: BuchiAutomizer took 11873.72ms. Allocated memory was 140.5MB in the beginning and 211.8MB in the end (delta: 71.3MB). Free memory was 76.6MB in the beginning and 157.4MB in the end (delta: -80.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-25 17:23:10,394 INFO L158 Benchmark]: Witness Printer took 78.22ms. Allocated memory is still 211.8MB. Free memory was 157.4MB in the beginning and 154.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 17:23:10,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 140.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 544.74ms. Allocated memory is still 140.5MB. Free memory was 108.6MB in the beginning and 92.6MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 82.41ms. Allocated memory is still 140.5MB. Free memory was 92.6MB in the beginning and 90.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 67.02ms. Allocated memory is still 140.5MB. Free memory was 90.6MB in the beginning and 89.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 504.35ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 76.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* BuchiAutomizer took 11873.72ms. Allocated memory was 140.5MB in the beginning and 211.8MB in the end (delta: 71.3MB). Free memory was 76.6MB in the beginning and 157.4MB in the end (delta: -80.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 78.22ms. Allocated memory is still 211.8MB. Free memory was 157.4MB in the beginning and 154.3MB in the end (delta: 3.1MB). 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(n) and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 22 locations. The remainder module has 31 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 11.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 10.2s. Construction of modules took 0.4s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 12 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 280 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 448 IncrementalHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 70 mSDtfsCounter, 448 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax100 hnf100 lsp95 ukn30 mio100 lsp40 div100 bol100 ite100 ukn100 eq217 hnf86 smp100 dnf121 smp100 tf100 neg92 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 206ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 555]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L573] int n = __VERIFIER_nondet_int();
[L574] COND FALSE !(n < 1)
VAL [n=1]
[L577] CALL, EXPR new_ll(n)
VAL [\old(n)=1]
[L548] COND FALSE !(n == 0)
[L550] node_t* head = malloc(sizeof(node_t));
[L551] head->val = n
VAL [\old(n)=1, head={-1:0}, n=1]
[L552] CALL, EXPR new_ll(n-1)
VAL [\old(n)=0]
[L548] COND TRUE n == 0
[L549] return ((void *)0);
VAL [\old(n)=0, \result={0:0}, n=0]
[L552] RET, EXPR new_ll(n-1)
VAL [\old(n)=1, head={-1:0}, n=1, new_ll(n-1)={0:0}]
[L552] head->next = new_ll(n-1)
[L553] return head;
VAL [\old(n)=1, \result={-1:0}, head={-1:0}, n=1]
[L577] RET, EXPR new_ll(n)
VAL [n=1, new_ll(n)={-1:0}]
[L577] node_t* x = new_ll(n);
[L578] CALL, EXPR append(x, x)
[L563] COND FALSE !(x == ((void *)0))
[L565] node_t* s = x;
VAL [s={-1:0}, x={-1:0}, x={-1:0}, y={-1:0}, y={-1:0}]
[L566] EXPR x->next
VAL [s={-1:0}, x={-1:0}, x={-1:0}, x->next={0:0}, y={-1:0}, y={-1:0}]
[L566] COND FALSE !(x->next != ((void *)0))
[L568] x->next = y
[L569] return s;
VAL [\result={-1:0}, s={-1:0}, x={-1:0}, x={-1:0}, y={-1:0}, y={-1:0}]
[L578] RET, EXPR append(x, x)
[L578] node_t* y = append(x, x);
[L579] CALL length(y)
VAL [xs={-1:0}]
Loop:
[L557] COND FALSE !(xs == ((void *)0))
[L559] EXPR xs->next
[L559] CALL length(xs->next)
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 555]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L573] int n = __VERIFIER_nondet_int();
[L574] COND FALSE !(n < 1)
VAL [n=1]
[L577] CALL, EXPR new_ll(n)
VAL [\old(n)=1]
[L548] COND FALSE !(n == 0)
[L550] node_t* head = malloc(sizeof(node_t));
[L551] head->val = n
VAL [\old(n)=1, head={-1:0}, n=1]
[L552] CALL, EXPR new_ll(n-1)
VAL [\old(n)=0]
[L548] COND TRUE n == 0
[L549] return ((void *)0);
VAL [\old(n)=0, \result={0:0}, n=0]
[L552] RET, EXPR new_ll(n-1)
VAL [\old(n)=1, head={-1:0}, n=1, new_ll(n-1)={0:0}]
[L552] head->next = new_ll(n-1)
[L553] return head;
VAL [\old(n)=1, \result={-1:0}, head={-1:0}, n=1]
[L577] RET, EXPR new_ll(n)
VAL [n=1, new_ll(n)={-1:0}]
[L577] node_t* x = new_ll(n);
[L578] CALL, EXPR append(x, x)
[L563] COND FALSE !(x == ((void *)0))
[L565] node_t* s = x;
VAL [s={-1:0}, x={-1:0}, x={-1:0}, y={-1:0}, y={-1:0}]
[L566] EXPR x->next
VAL [s={-1:0}, x={-1:0}, x={-1:0}, x->next={0:0}, y={-1:0}, y={-1:0}]
[L566] COND FALSE !(x->next != ((void *)0))
[L568] x->next = y
[L569] return s;
VAL [\result={-1:0}, s={-1:0}, x={-1:0}, x={-1:0}, y={-1:0}, y={-1:0}]
[L578] RET, EXPR append(x, x)
[L578] node_t* y = append(x, x);
[L579] CALL length(y)
VAL [xs={-1:0}]
Loop:
[L557] COND FALSE !(xs == ((void *)0))
[L559] EXPR xs->next
[L559] CALL length(xs->next)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2022-11-25 17:23:10,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0
[2022-11-25 17:23:10,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d7919d-0742-493b-8c66-7e071991eff3/bin/uautomizer-ZsLfNo2U6R/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)