./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum04-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:18:07,593 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:18:07,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:18:07,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:18:07,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:18:07,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:18:07,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:18:07,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:18:07,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:18:07,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:18:07,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:18:07,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:18:07,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:18:07,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:18:07,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:18:07,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:18:07,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:18:07,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:18:07,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:18:07,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:18:07,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:18:07,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:18:07,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:18:07,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:18:07,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:18:07,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:18:07,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:18:07,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:18:07,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:18:07,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:18:07,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:18:07,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:18:07,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:18:07,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:18:07,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:18:07,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:18:07,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:18:07,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:18:07,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:18:07,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:18:07,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:18:07,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-13 18:18:07,831 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:18:07,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:18:07,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:18:07,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:18:07,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:18:07,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:18:07,844 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:18:07,845 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:18:07,845 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:18:07,845 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 18:18:07,847 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 18:18:07,847 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 18:18:07,848 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:18:07,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:18:07,848 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:18:07,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:18:07,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:18:07,849 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:18:07,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:18:07,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:18:07,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:18:07,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:18:07,851 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:18:07,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:18:07,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 18:18:07,852 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:18:07,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:18:07,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:18:07,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:18:07,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:18:07,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:18:07,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:18:07,858 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:18:07,858 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_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312
[2021-11-13 18:18:08,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:18:08,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:18:08,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:18:08,217 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:18:08,218 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:18:08,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/loops/sum04-1.i
[2021-11-13 18:18:08,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/data/9a014448e/a60ce5ecbd9a458699c6e653c00eb997/FLAG19fb09374
[2021-11-13 18:18:08,848 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:18:08,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/sv-benchmarks/c/loops/sum04-1.i
[2021-11-13 18:18:08,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/data/9a014448e/a60ce5ecbd9a458699c6e653c00eb997/FLAG19fb09374
[2021-11-13 18:18:09,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/data/9a014448e/a60ce5ecbd9a458699c6e653c00eb997
[2021-11-13 18:18:09,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:18:09,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:18:09,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:18:09,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:18:09,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:18:09,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30501a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09, skipping insertion in model container
[2021-11-13 18:18:09,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:18:09,262 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:18:09,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/sv-benchmarks/c/loops/sum04-1.i[808,821]
[2021-11-13 18:18:09,517 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:18:09,529 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:18:09,545 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/sv-benchmarks/c/loops/sum04-1.i[808,821]
[2021-11-13 18:18:09,548 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:18:09,567 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:18:09,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09 WrapperNode
[2021-11-13 18:18:09,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:18:09,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:18:09,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:18:09,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:18:09,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:18:09,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:18:09,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:18:09,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:18:09,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:18:09,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:18:09,641 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:18:09,641 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:18:09,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (1/1) ...
[2021-11-13 18:18:09,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:09,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:09,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:09,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:18:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:18:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:18:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:18:10,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:18:10,002 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:18:10,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:10 BoogieIcfgContainer
[2021-11-13 18:18:10,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:18:10,016 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:18:10,016 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:18:10,035 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:18:10,036 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:18:10,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:18:09" (1/3) ...
[2021-11-13 18:18:10,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@104b1f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:18:10, skipping insertion in model container
[2021-11-13 18:18:10,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:18:10,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:09" (2/3) ...
[2021-11-13 18:18:10,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@104b1f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:18:10, skipping insertion in model container
[2021-11-13 18:18:10,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:18:10,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:10" (3/3) ...
[2021-11-13 18:18:10,042 INFO L388 chiAutomizerObserver]: Analyzing ICFG sum04-1.i
[2021-11-13 18:18:10,125 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:18:10,125 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 18:18:10,125 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:18:10,125 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:18:10,126 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:18:10,126 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 18:18:10,126 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:18:10,126 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:18:10,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:10,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:18:10,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:18:10,181 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:18:10,188 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-11-13 18:18:10,189 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:18:10,189 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:18:10,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:10,192 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:18:10,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:18:10,193 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:18:10,193 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-11-13 18:18:10,193 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:18:10,203 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post3#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 11#L24-3true
[2021-11-13 18:18:10,203 INFO L793 eck$LassoCheckResult]: Loop: 11#L24-3true assume !!(main_~i~0#1 <= 8); 8#L25true assume main_~i~0#1 < 4;main_~sn~0#1 := 2 + main_~sn~0#1; 7#L24-2true main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 11#L24-3true
[2021-11-13 18:18:10,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:10,214 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-11-13 18:18:10,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:18:10,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111880593]
[2021-11-13 18:18:10,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:10,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:18:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:10,397 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:18:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:10,475 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:18:10,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:10,479 INFO L85 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times
[2021-11-13 18:18:10,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:18:10,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762239184]
[2021-11-13 18:18:10,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:10,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:18:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:10,500 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:18:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:10,519 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:18:10,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:10,523 INFO L85 PathProgramCache]: Analyzing trace with hash 28698763, now seen corresponding path program 1 times
[2021-11-13 18:18:10,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:18:10,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985148332]
[2021-11-13 18:18:10,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:10,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:18:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:10,571 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:18:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:10,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:18:10,688 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:18:10,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:18:10,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:18:10,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:18:10,689 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2021-11-13 18:18:10,690 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:10,690 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:18:10,690 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:18:10,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration1_Loop
[2021-11-13 18:18:10,690 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:18:10,691 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:18:10,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:10,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:10,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:10,852 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:18:10,853 INFO L404 LassoAnalysis]: Checking for nontermination...
[2021-11-13 18:18:10,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:10,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:10,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:10,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:18:10,877 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:10,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-11-13 18:18:10,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:10,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:10,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:10,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:10,959 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-11-13 18:18:10,959 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:10,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,003 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2021-11-13 18:18:11,004 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=4}, {ULTIMATE.start_main_~sn~0#1=0}, {ULTIMATE.start_main_~sn~0#1=-2}] Lambdas: [1, 6, 1] Nus: [0, 0]
[2021-11-13 18:18:11,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:11,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:11,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:11,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:18:11,068 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:11,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,099 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2021-11-13 18:18:11,099 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2021-11-13 18:18:11,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:11,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:11,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:11,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:18:11,145 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:11,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:11,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:11,198 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:11,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-11-13 18:18:11,202 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:11,267 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2021-11-13 18:18:11,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:11,275 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:18:11,275 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:18:11,275 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:18:11,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:18:11,275 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:18:11,275 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:18:11,275 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:18:11,276 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration1_Loop
[2021-11-13 18:18:11,276 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:18:11,276 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:18:11,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:11,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:11,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:11,360 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:18:11,367 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:18:11,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:11,379 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:11,385 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
[2021-11-13 18:18:11,397 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:18:11,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:18:11,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:18:11,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:18:11,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:18:11,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:18:11,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:18:11,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:18:11,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:11,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:11,445 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:11,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,455 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
[2021-11-13 18:18:11,466 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:18:11,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:18:11,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:18:11,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:18:11,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:18:11,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:18:11,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:18:11,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:18:11,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0
[2021-11-13 18:18:11,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:11,536 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:11,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,544 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
[2021-11-13 18:18:11,556 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:18:11,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:18:11,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:18:11,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:18:11,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:18:11,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:18:11,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:18:11,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:18:11,577 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2021-11-13 18:18:11,577 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2021-11-13 18:18:11,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:11,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:11,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:11,591 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:18:11,591 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2021-11-13 18:18:11,592 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:18:11,592 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 7
Supporting invariants []
[2021-11-13 18:18:11,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2021-11-13 18:18:11,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:11,646 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2021-11-13 18:18:11,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:11,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:11,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:18:11,758 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:11,782 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:18:11,783 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:18:11,892 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2021-11-13 18:18:11,894 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:11,949 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 35 states and 47 transitions. Complement of second has 7 states.
[2021-11-13 18:18:11,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states
[2021-11-13 18:18:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions.
[2021-11-13 18:18:11,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 2 letters. Loop has 3 letters.
[2021-11-13 18:18:11,962 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:18:11,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 3 letters.
[2021-11-13 18:18:11,965 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:18:11,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 2 letters. Loop has 6 letters.
[2021-11-13 18:18:11,966 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:18:11,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 47 transitions.
[2021-11-13 18:18:11,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:18:11,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 15 transitions.
[2021-11-13 18:18:11,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6
[2021-11-13 18:18:11,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7
[2021-11-13 18:18:11,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions.
[2021-11-13 18:18:11,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2021-11-13 18:18:11,985 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions.
[2021-11-13 18:18:12,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions.
[2021-11-13 18:18:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11.
[2021-11-13 18:18:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:12,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions.
[2021-11-13 18:18:12,019 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions.
[2021-11-13 18:18:12,020 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions.
[2021-11-13 18:18:12,020 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-11-13 18:18:12,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions.
[2021-11-13 18:18:12,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3
[2021-11-13 18:18:12,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:18:12,021 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:18:12,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-11-13 18:18:12,022 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-11-13 18:18:12,022 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post3#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 99#L24-3 assume !!(main_~i~0#1 <= 8); 95#L25
[2021-11-13 18:18:12,022 INFO L793 eck$LassoCheckResult]: Loop: 95#L25 assume !(main_~i~0#1 < 4); 91#L24-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 92#L24-3 assume !!(main_~i~0#1 <= 8); 95#L25
[2021-11-13 18:18:12,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:12,023 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times
[2021-11-13 18:18:12,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:18:12,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035735906]
[2021-11-13 18:18:12,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:12,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:18:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:12,036 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:18:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:12,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:18:12,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:12,051 INFO L85 PathProgramCache]: Analyzing trace with hash 44743, now seen corresponding path program 1 times
[2021-11-13 18:18:12,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:18:12,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828374587]
[2021-11-13 18:18:12,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:12,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:18:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:12,056 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:18:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:18:12,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:18:12,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash 889663585, now seen corresponding path program 1 times
[2021-11-13 18:18:12,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:18:12,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548749456]
[2021-11-13 18:18:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:18:12,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:18:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:18:12,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:18:12,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548749456]
[2021-11-13 18:18:12,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548749456] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:18:12,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:18:12,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:18:12,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973185057]
[2021-11-13 18:18:12,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:18:12,172 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:18:12,172 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:18:12,172 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:18:12,172 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:18:12,172 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2021-11-13 18:18:12,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:18:12,173 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:18:12,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration2_Loop
[2021-11-13 18:18:12,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:18:12,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:18:12,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:12,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:12,210 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:18:12,210 INFO L404 LassoAnalysis]: Checking for nontermination...
[2021-11-13 18:18:12,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:12,217 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:12,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:18:12,220 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:12,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process
[2021-11-13 18:18:12,233 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2021-11-13 18:18:12,233 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2021-11-13 18:18:12,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:12,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:12,260 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:12,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:18:12,262 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:12,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process
[2021-11-13 18:18:12,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:12,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:12,300 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:12,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process
[2021-11-13 18:18:12,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-11-13 18:18:12,305 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:18:12,366 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2021-11-13 18:18:12,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:12,369 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:18:12,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:18:12,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:18:12,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:18:12,370 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:18:12,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:18:12,370 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:18:12,370 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-1.i_Iteration2_Loop
[2021-11-13 18:18:12,370 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:18:12,370 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:18:12,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:12,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:18:12,434 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:18:12,435 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:18:12,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:12,436 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:12,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process
[2021-11-13 18:18:12,460 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
[2021-11-13 18:18:12,471 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:18:12,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:18:12,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:18:12,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:18:12,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:18:12,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:18:12,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:18:12,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:18:12,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:12,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:12,538 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:12,560 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
[2021-11-13 18:18:12,572 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:18:12,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:18:12,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:18:12,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:18:12,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:18:12,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:18:12,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:18:12,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process
[2021-11-13 18:18:12,586 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:18:12,615 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2021-11-13 18:18:12,616 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2021-11-13 18:18:12,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:18:12,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:18:12,639 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:18:12,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process
[2021-11-13 18:18:12,679 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:18:12,679 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2021-11-13 18:18:12,680 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:18:12,680 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 15
Supporting invariants []
[2021-11-13 18:18:12,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0
[2021-11-13 18:18:12,706 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2021-11-13 18:18:12,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:18:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:12,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:18:12,735 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:18:12,748 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:18:12,748 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:18:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:18:12,799 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2021-11-13 18:18:12,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:12,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 18 states and 22 transitions. Complement of second has 6 states.
[2021-11-13 18:18:12,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states
[2021-11-13 18:18:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:12,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions.
[2021-11-13 18:18:12,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 3 letters.
[2021-11-13 18:18:12,846 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:18:12,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 3 letters.
[2021-11-13 18:18:12,847 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:18:12,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 3 letters. Loop has 6 letters.
[2021-11-13 18:18:12,848 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:18:12,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions.
[2021-11-13 18:18:12,850 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:18:12,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions.
[2021-11-13 18:18:12,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-11-13 18:18:12,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-11-13 18:18:12,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-11-13 18:18:12,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:18:12,854 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:18:12,854 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:18:12,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:18:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:18:12,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:18:12,859 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:18:12,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:18:12,862 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions.
[2021-11-13 18:18:12,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:18:12,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions.
[2021-11-13 18:18:12,865 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:18:12,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:18:12,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-11-13 18:18:12,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-11-13 18:18:12,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-11-13 18:18:12,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:18:12,866 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:18:12,866 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:18:12,866 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:18:12,866 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-11-13 18:18:12,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:18:12,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:18:12,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-11-13 18:18:12,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:18:12 BoogieIcfgContainer
[2021-11-13 18:18:12,879 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:18:12,879 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:18:12,880 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:18:12,880 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:18:12,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:10" (3/4) ...
[2021-11-13 18:18:12,886 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:18:12,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:18:12,889 INFO L158 Benchmark]: Toolchain (without parser) took 3665.71ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 47.4MB in the beginning and 51.5MB in the end (delta: -4.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2021-11-13 18:18:12,890 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:18:12,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.54ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 47.1MB in the beginning and 85.2MB in the end (delta: -38.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:18:12,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:18:12,902 INFO L158 Benchmark]: Boogie Preprocessor took 27.05ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 83.1MB in the end (delta: 994.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:18:12,903 INFO L158 Benchmark]: RCFGBuilder took 374.30ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 74.2MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 18:18:12,903 INFO L158 Benchmark]: BuchiAutomizer took 2862.67ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 52.1MB in the end (delta: 22.0MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB.
[2021-11-13 18:18:12,904 INFO L158 Benchmark]: Witness Printer took 7.30ms. Allocated memory is still 109.1MB. Free memory was 52.1MB in the beginning and 51.5MB in the end (delta: 606.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:18:12,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 343.54ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 47.1MB in the beginning and 85.2MB in the end (delta: -38.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.59ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 84.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 27.05ms. Allocated memory is still 109.1MB. Free memory was 84.1MB in the beginning and 83.1MB in the end (delta: 994.6kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 374.30ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 74.2MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2862.67ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 52.1MB in the end (delta: 22.0MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB.
* Witness Printer took 7.30ms. Allocated memory is still 109.1MB. Free memory was 52.1MB in the beginning and 51.5MB in the end (delta: 606.7kB). 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 7 and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 15 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 35.41ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 29.10ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 11 mSDtfsCounter, 23 mSolverCounterSat, 2.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp83 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:18:12,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0
[2021-11-13 18:18:13,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b375f79b-603c-48e7-aace-c9de60f4a58b/bin/uautomizer-YU5uOKAj3y/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