./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 5e519f3a
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_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:40:47,187 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:40:47,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:40:47,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:40:47,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:40:47,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:40:47,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:40:47,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:40:47,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:40:47,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:40:47,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:40:47,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:40:47,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:40:47,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:40:47,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:40:47,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:40:47,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:40:47,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:40:47,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:40:47,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:40:47,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:40:47,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:40:47,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:40:47,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:40:47,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:40:47,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:40:47,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:40:47,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:40:47,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:40:47,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:40:47,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:40:47,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:40:47,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:40:47,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:40:47,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:40:47,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:40:47,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:40:47,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:40:47,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:40:47,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:40:47,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:40:47,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf
[2022-11-02 20:40:47,398 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:40:47,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:40:47,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:40:47,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:40:47,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:40:47,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:40:47,401 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:40:47,401 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-02 20:40:47,402 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-11-02 20:40:47,402 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-11-02 20:40:47,402 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-11-02 20:40:47,402 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-11-02 20:40:47,403 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-02 20:40:47,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:40:47,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:40:47,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:40:47,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:40:47,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-11-02 20:40:47,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-02 20:40:47,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-11-02 20:40:47,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:40:47,405 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-11-02 20:40:47,405 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:40:47,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-11-02 20:40:47,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:40:47,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:40:47,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:40:47,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:40:47,408 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-02 20:40:47,408 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_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06
[2022-11-02 20:40:47,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:40:47,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:40:47,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:40:47,768 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:40:47,769 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:40:47,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c
[2022-11-02 20:40:47,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/data/8a1f70957/4a151195971b4a6facad0777f770961b/FLAGe1bd5a6a2
[2022-11-02 20:40:48,381 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:40:48,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c
[2022-11-02 20:40:48,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/data/8a1f70957/4a151195971b4a6facad0777f770961b/FLAGe1bd5a6a2
[2022-11-02 20:40:48,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/data/8a1f70957/4a151195971b4a6facad0777f770961b
[2022-11-02 20:40:48,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:40:48,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:40:48,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:40:48,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:40:48,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:40:48,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:48" (1/1) ...
[2022-11-02 20:40:48,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48fe31d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:48, skipping insertion in model container
[2022-11-02 20:40:48,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:48" (1/1) ...
[2022-11-02 20:40:48,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:40:48,781 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:40:49,064 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:40:49,071 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:40:49,092 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:40:49,105 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:40:49,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49 WrapperNode
[2022-11-02 20:40:49,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:40:49,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:40:49,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:40:49,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:40:49,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,145 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29
[2022-11-02 20:40:49,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:40:49,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:40:49,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:40:49,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:40:49,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:40:49,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:40:49,183 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:40:49,183 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:40:49,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (1/1) ...
[2022-11-02 20:40:49,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:49,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:49,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:49,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:40:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:40:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:40:49,347 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:40:49,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:40:49,430 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:40:49,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:40:49,436 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:40:49,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:49 BoogieIcfgContainer
[2022-11-02 20:40:49,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:40:49,439 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-02 20:40:49,439 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-11-02 20:40:49,445 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-11-02 20:40:49,448 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:40:49,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:40:48" (1/3) ...
[2022-11-02 20:40:49,449 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@749e3680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:40:49, skipping insertion in model container
[2022-11-02 20:40:49,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:40:49,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:49" (2/3) ...
[2022-11-02 20:40:49,452 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@749e3680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:40:49, skipping insertion in model container
[2022-11-02 20:40:49,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:40:49,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:49" (3/3) ...
[2022-11-02 20:40:49,453 INFO L332 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c
[2022-11-02 20:40:49,511 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2022-11-02 20:40:49,511 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2022-11-02 20:40:49,511 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-02 20:40:49,511 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-02 20:40:49,511 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-02 20:40:49,512 INFO L308 stractBuchiCegarLoop]: Difference is false
[2022-11-02 20:40:49,512 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-02 20:40:49,512 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-02 20:40:49,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:40:49,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6
[2022-11-02 20:40:49,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:40:49,543 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:40:49,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2022-11-02 20:40:49,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 20:40:49,550 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-02 20:40:49,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:40:49,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6
[2022-11-02 20:40:49,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:40:49,553 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:40:49,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2022-11-02 20:40:49,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1]
[2022-11-02 20:40:49,561 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1, main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;havoc main_~N~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0; 6#L22-1true
[2022-11-02 20:40:49,563 INFO L750 eck$LassoCheckResult]: Loop: 6#L22-1true assume !!(main_~i~0#1 < main_~N~0#1);main_~i~0#1 := 1 + main_~i~0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L22true assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3); 6#L22-1true
[2022-11-02 20:40:49,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:40:49,569 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2022-11-02 20:40:49,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:40:49,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046139949]
[2022-11-02 20:40:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:40:49,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:40:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:40:49,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:40:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:40:49,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:40:49,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:40:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1339, now seen corresponding path program 1 times
[2022-11-02 20:40:49,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:40:49,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51678881]
[2022-11-02 20:40:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:40:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:40:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:40:49,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:40:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:40:49,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:40:49,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:40:49,724 INFO L85 PathProgramCache]: Analyzing trace with hash 925821, now seen corresponding path program 1 times
[2022-11-02 20:40:49,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:40:49,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579563802]
[2022-11-02 20:40:49,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:40:49,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:40:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:40:49,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:40:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:40:49,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:40:49,909 INFO L210 LassoAnalysis]: Preferences:
[2022-11-02 20:40:49,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-11-02 20:40:49,915 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-11-02 20:40:49,915 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-11-02 20:40:49,915 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2022-11-02 20:40:49,915 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:49,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-11-02 20:40:49,926 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-11-02 20:40:49,926 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop
[2022-11-02 20:40:49,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-11-02 20:40:49,927 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-11-02 20:40:49,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,142 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-11-02 20:40:50,143 INFO L404 LassoAnalysis]: Checking for nontermination...
[2022-11-02 20:40:50,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-11-02 20:40:50,156 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-11-02 20:40:50,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,184 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-11-02 20:40:50,185 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-11-02 20:40:50,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-11-02 20:40:50,229 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-11-02 20:40:50,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,255 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-11-02 20:40:50,255 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-11-02 20:40:50,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,296 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-11-02 20:40:50,300 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-11-02 20:40:50,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,328 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2022-11-02 20:40:50,328 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=-1, ULTIMATE.start_main_~r~0#1=-1} Honda state: {ULTIMATE.start_main_#t~nondet0#1=-1, ULTIMATE.start_main_~r~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2022-11-02 20:40:50,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2022-11-02 20:40:50,374 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-11-02 20:40:50,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2022-11-02 20:40:50,426 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2022-11-02 20:40:50,595 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2022-11-02 20:40:50,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,604 INFO L210 LassoAnalysis]: Preferences:
[2022-11-02 20:40:50,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2022-11-02 20:40:50,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2022-11-02 20:40:50,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2022-11-02 20:40:50,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2022-11-02 20:40:50,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2022-11-02 20:40:50,605 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2022-11-02 20:40:50,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop
[2022-11-02 20:40:50,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2022-11-02 20:40:50,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2022-11-02 20:40:50,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2022-11-02 20:40:50,708 INFO L294 LassoAnalysis]: Preprocessing complete.
[2022-11-02 20:40:50,714 INFO L490 LassoAnalysis]: Using template 'affine'.
[2022-11-02 20:40:50,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,719 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 20:40:50,744 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 20:40:50,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 20:40:50,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 20:40:50,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 20:40:50,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 20:40:50,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 20:40:50,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 20:40:50,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,819 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 20:40:50,835 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 20:40:50,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 20:40:50,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 20:40:50,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 20:40:50,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2022-11-02 20:40:50,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2022-11-02 20:40:50,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 20:40:50,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,903 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 20:40:50,917 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 20:40:50,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 20:40:50,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 20:40:50,918 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts
[2022-11-02 20:40:50,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 20:40:50,920 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications.
[2022-11-02 20:40:50,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 20:40:50,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2022-11-02 20:40:50,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:50,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:50,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:50,961 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:50,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2022-11-02 20:40:50,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2022-11-02 20:40:50,975 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2022-11-02 20:40:50,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2022-11-02 20:40:50,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2022-11-02 20:40:50,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2022-11-02 20:40:50,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2022-11-02 20:40:50,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2022-11-02 20:40:50,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2022-11-02 20:40:50,989 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2022-11-02 20:40:51,001 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver.
[2022-11-02 20:40:51,001 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero.
[2022-11-02 20:40:51,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:40:51,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:40:51,004 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:40:51,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2022-11-02 20:40:51,006 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2022-11-02 20:40:51,007 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2022-11-02 20:40:51,007 INFO L513 LassoAnalysis]: Proved termination.
[2022-11-02 20:40:51,007 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~i~0#1
Supporting invariants []
[2022-11-02 20:40:51,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:51,042 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2022-11-02 20:40:51,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:40:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:40:51,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:40:51,079 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:40:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:40:51,115 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-11-02 20:40:51,116 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:40:51,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2022-11-02 20:40:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:40:51,227 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2022-11-02 20:40:51,229 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:40:51,269 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 41 transitions. Complement of second has 5 states.
[2022-11-02 20:40:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states
[2022-11-02 20:40:51,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:40:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions.
[2022-11-02 20:40:51,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters.
[2022-11-02 20:40:51,278 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 20:40:51,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters.
[2022-11-02 20:40:51,279 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 20:40:51,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters.
[2022-11-02 20:40:51,279 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2022-11-02 20:40:51,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions.
[2022-11-02 20:40:51,283 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2022-11-02 20:40:51,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions.
[2022-11-02 20:40:51,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2022-11-02 20:40:51,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2022-11-02 20:40:51,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2022-11-02 20:40:51,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:40:51,286 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:40:51,286 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:40:51,286 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:40:51,286 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-11-02 20:40:51,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:40:51,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2022-11-02 20:40:51,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2022-11-02 20:40:51,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:40:51 BoogieIcfgContainer
[2022-11-02 20:40:51,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-02 20:40:51,294 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:40:51,294 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:40:51,294 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:40:51,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:49" (3/4) ...
[2022-11-02 20:40:51,297 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-11-02 20:40:51,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:40:51,298 INFO L158 Benchmark]: Toolchain (without parser) took 2551.97ms. Allocated memory is still 134.2MB. Free memory was 94.8MB in the beginning and 102.0MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:40:51,299 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:40:51,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.85ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 111.0MB in the end (delta: -16.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:40:51,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.80ms. Allocated memory is still 134.2MB. Free memory was 110.5MB in the beginning and 109.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:40:51,301 INFO L158 Benchmark]: Boogie Preprocessor took 34.31ms. Allocated memory is still 134.2MB. Free memory was 109.4MB in the beginning and 108.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:40:51,301 INFO L158 Benchmark]: RCFGBuilder took 256.02ms. Allocated memory is still 134.2MB. Free memory was 108.4MB in the beginning and 99.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:40:51,302 INFO L158 Benchmark]: BuchiAutomizer took 1854.44ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 102.0MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:40:51,302 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 134.2MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:40:51,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 358.85ms. Allocated memory is still 134.2MB. Free memory was 94.6MB in the beginning and 111.0MB in the end (delta: -16.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.80ms. Allocated memory is still 134.2MB. Free memory was 110.5MB in the beginning and 109.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.31ms. Allocated memory is still 134.2MB. Free memory was 109.4MB in the beginning and 108.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 256.02ms. Allocated memory is still 134.2MB. Free memory was 108.4MB in the beginning and 99.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1854.44ms. Allocated memory is still 134.2MB. Free memory was 99.0MB in the beginning and 102.0MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.62ms. Allocated memory is still 134.2MB. Free memory is still 102.0MB. There was no memory consumed. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 4 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:40:51,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9b860d-89fe-44d9-af21-bf68ad27b933/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE