./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test24-1.c --full-output --architecture 32bit


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


Checking for termination
Using default analysis
Version c3fed411
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-regression/test24-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7
--- Real Ultimate output ---
This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41
[2021-12-19 18:32:23,689 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-12-19 18:32:23,690 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-19 18:32:23,715 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-19 18:32:23,715 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-19 18:32:23,716 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-19 18:32:23,717 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-19 18:32:23,719 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-19 18:32:23,721 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-19 18:32:23,721 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-19 18:32:23,722 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-12-19 18:32:23,723 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-19 18:32:23,724 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-19 18:32:23,725 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-19 18:32:23,726 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-19 18:32:23,727 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-19 18:32:23,728 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-19 18:32:23,729 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-19 18:32:23,730 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-19 18:32:23,732 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-19 18:32:23,733 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-19 18:32:23,734 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-19 18:32:23,735 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-12-19 18:32:23,736 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-19 18:32:23,739 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-19 18:32:23,739 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-19 18:32:23,739 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-19 18:32:23,740 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-19 18:32:23,740 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-19 18:32:23,741 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-19 18:32:23,742 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-19 18:32:23,742 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-19 18:32:23,743 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-19 18:32:23,744 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-19 18:32:23,745 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-19 18:32:23,745 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-19 18:32:23,746 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-19 18:32:23,746 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-19 18:32:23,746 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-19 18:32:23,747 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-19 18:32:23,748 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-12-19 18:32:23,748 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-12-19 18:32:23,770 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-12-19 18:32:23,770 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-19 18:32:23,770 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-19 18:32:23,771 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-19 18:32:23,771 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-19 18:32:23,772 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-12-19 18:32:23,772 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-12-19 18:32:23,772 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-12-19 18:32:23,772 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-12-19 18:32:23,772 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-12-19 18:32:23,773 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-12-19 18:32:23,773 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-12-19 18:32:23,773 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-12-19 18:32:23,773 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-19 18:32:23,773 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-12-19 18:32:23,773 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-12-19 18:32:23,774 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-12-19 18:32:23,774 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-12-19 18:32:23,774 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-12-19 18:32:23,774 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-12-19 18:32:23,774 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-12-19 18:32:23,774 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-12-19 18:32:23,775 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-12-19 18:32:23,775 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-12-19 18:32:23,775 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-12-19 18:32:23,775 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-12-19 18:32:23,775 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-12-19 18:32:23,776 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-19 18:32:23,776 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-12-19 18:32:23,776 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-19 18:32:23,776 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-12-19 18:32:23,776 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-12-19 18:32:23,777 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-12-19 18:32:23,777 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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 -> 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7
[2021-12-19 18:32:24,017 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-19 18:32:24,038 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-19 18:32:24,042 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-19 18:32:24,043 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-12-19 18:32:24,044 INFO  L275        PluginConnector]: CDTParser initialized
[2021-12-19 18:32:24,044 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test24-1.c
[2021-12-19 18:32:24,093 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537495bd1/673da39d6eb1430fa5985b84f4350adc/FLAG00ae27b95
[2021-12-19 18:32:24,507 INFO  L306              CDTParser]: Found 1 translation units.
[2021-12-19 18:32:24,507 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test24-1.c
[2021-12-19 18:32:24,516 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537495bd1/673da39d6eb1430fa5985b84f4350adc/FLAG00ae27b95
[2021-12-19 18:32:24,533 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/537495bd1/673da39d6eb1430fa5985b84f4350adc
[2021-12-19 18:32:24,536 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-19 18:32:24,538 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-19 18:32:24,542 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-19 18:32:24,542 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-19 18:32:24,545 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-19 18:32:24,545 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,546 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e3ee38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24, skipping insertion in model container
[2021-12-19 18:32:24,546 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,551 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-12-19 18:32:24,568 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-12-19 18:32:24,718 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test24-1.c[704,717]
[2021-12-19 18:32:24,720 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-19 18:32:24,727 INFO  L203         MainTranslator]: Completed pre-run
[2021-12-19 18:32:24,740 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test24-1.c[704,717]
[2021-12-19 18:32:24,741 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-19 18:32:24,749 INFO  L208         MainTranslator]: Completed translation
[2021-12-19 18:32:24,750 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24 WrapperNode
[2021-12-19 18:32:24,750 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-19 18:32:24,751 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-19 18:32:24,751 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-19 18:32:24,751 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-19 18:32:24,756 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,760 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,774 INFO  L137                Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57
[2021-12-19 18:32:24,774 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-19 18:32:24,775 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-19 18:32:24,775 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-19 18:32:24,775 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-12-19 18:32:24,781 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,782 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,792 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,792 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,796 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,800 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,801 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,807 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-19 18:32:24,809 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-19 18:32:24,810 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-12-19 18:32:24,810 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-12-19 18:32:24,811 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (1/1) ...
[2021-12-19 18:32:24,820 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 18:32:24,829 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-19 18:32:24,842 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-12-19 18:32:24,844 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-12-19 18:32:24,868 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-19 18:32:24,869 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-19 18:32:24,869 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-12-19 18:32:24,869 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-12-19 18:32:24,869 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-19 18:32:24,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-19 18:32:24,869 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-12-19 18:32:24,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-12-19 18:32:24,919 INFO  L236             CfgBuilder]: Building ICFG
[2021-12-19 18:32:24,921 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-19 18:32:24,994 INFO  L277             CfgBuilder]: Performing block encoding
[2021-12-19 18:32:24,999 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-19 18:32:24,999 INFO  L301             CfgBuilder]: Removed 1 assume(true) statements.
[2021-12-19 18:32:25,001 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:32:25 BoogieIcfgContainer
[2021-12-19 18:32:25,001 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-19 18:32:25,002 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-12-19 18:32:25,002 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-12-19 18:32:25,005 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-12-19 18:32:25,011 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-12-19 18:32:25,012 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 06:32:24" (1/3) ...
[2021-12-19 18:32:25,013 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@789d98cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:32:25, skipping insertion in model container
[2021-12-19 18:32:25,013 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-12-19 18:32:25,013 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:32:24" (2/3) ...
[2021-12-19 18:32:25,013 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@789d98cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 06:32:25, skipping insertion in model container
[2021-12-19 18:32:25,013 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-12-19 18:32:25,014 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:32:25" (3/3) ...
[2021-12-19 18:32:25,015 INFO  L388   chiAutomizerObserver]: Analyzing ICFG test24-1.c
[2021-12-19 18:32:25,077 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-12-19 18:32:25,091 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-12-19 18:32:25,091 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-12-19 18:32:25,091 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-12-19 18:32:25,092 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-12-19 18:32:25,092 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-12-19 18:32:25,092 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-12-19 18:32:25,092 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-12-19 18:32:25,108 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-19 18:32:25,134 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-12-19 18:32:25,134 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-12-19 18:32:25,134 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-12-19 18:32:25,139 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-12-19 18:32:25,139 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-12-19 18:32:25,139 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-12-19 18:32:25,140 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-19 18:32:25,143 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 2
[2021-12-19 18:32:25,143 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-12-19 18:32:25,143 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-12-19 18:32:25,144 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-12-19 18:32:25,144 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1]
[2021-12-19 18:32:25,151 INFO  L791   eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~mem6#1, main_#t~pre8#1, main_#t~mem7#1, main_#t~ret9#1, main_~#ad1~0#1.base, main_~#ad1~0#1.offset, main_~ad2~0#1.base, main_~ad2~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#ad1~0#1.base, main_~#ad1~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~ad2~0#1.base, main_~ad2~0#1.offset;havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11#L23true assume main_~i~0#1 >= 0 && main_~i~0#1 < 10;main_~ad2~0#1.base, main_~ad2~0#1.offset := main_~#ad1~0#1.base, main_~#ad1~0#1.offset;call write~int(main_~i~0#1, main_~#ad1~0#1.base, main_~#ad1~0#1.offset + 8 * main_~i~0#1, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_~#ad1~0#1.base, main_~#ad1~0#1.offset + 8 * main_~i~0#1;call main_#t~mem6#1 := read~int(main_~ad2~0#1.base, main_~ad2~0#1.offset + 8 * main_~i~0#1, 4);main_~i~0#1 := main_#t~mem6#1 - 10;havoc main_#t~mem6#1; 12#L28-3true 
[2021-12-19 18:32:25,152 INFO  L793   eck$LassoCheckResult]: Loop: 12#L28-3true call main_#t~mem7#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 10#L28-1true assume !!(main_~i~0#1 < main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~pre8#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre8#1; 12#L28-3true 
[2021-12-19 18:32:25,161 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-19 18:32:25,162 INFO  L85        PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times
[2021-12-19 18:32:25,169 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-19 18:32:25,171 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307402441]
[2021-12-19 18:32:25,171 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-19 18:32:25,172 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-19 18:32:25,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 18:32:25,333 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-12-19 18:32:25,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 18:32:25,380 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-12-19 18:32:25,384 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-19 18:32:25,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times
[2021-12-19 18:32:25,385 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-19 18:32:25,386 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399052591]
[2021-12-19 18:32:25,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-19 18:32:25,386 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-19 18:32:25,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 18:32:25,401 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-12-19 18:32:25,404 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 18:32:25,406 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-12-19 18:32:25,407 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-19 18:32:25,407 INFO  L85        PathProgramCache]: Analyzing trace with hash 28693863, now seen corresponding path program 1 times
[2021-12-19 18:32:25,408 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-19 18:32:25,408 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848768934]
[2021-12-19 18:32:25,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-19 18:32:25,408 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-19 18:32:25,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 18:32:25,453 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-12-19 18:32:25,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-12-19 18:32:25,485 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-12-19 18:32:26,069 INFO  L210          LassoAnalysis]: Preferences:
[2021-12-19 18:32:26,070 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-12-19 18:32:26,070 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-12-19 18:32:26,070 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-12-19 18:32:26,070 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-12-19 18:32:26,070 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 18:32:26,071 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-12-19 18:32:26,071 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-12-19 18:32:26,071 INFO  L133   ssoRankerPreferences]: Filename of dumped script: test24-1.c_Iteration1_Lasso
[2021-12-19 18:32:26,071 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-12-19 18:32:26,071 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-12-19 18:32:26,095 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,535 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,537 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,539 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,543 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,545 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,547 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,550 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,553 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-12-19 18:32:26,947 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-12-19 18:32:26,952 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2021-12-19 18:32:26,954 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 18:32:26,954 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-19 18:32:26,955 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-12-19 18:32:26,959 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-12-19 18:32:26,960 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
[2021-12-19 18:32:26,967 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-12-19 18:32:26,967 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-12-19 18:32:26,967 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-12-19 18:32:26,967 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-12-19 18:32:26,971 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-12-19 18:32:26,972 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-12-19 18:32:27,019 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-12-19 18:32:27,047 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-12-19 18:32:27,047 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 18:32:27,048 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-19 18:32:27,050 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-12-19 18:32:27,052 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-12-19 18:32:27,054 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
[2021-12-19 18:32:27,062 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-12-19 18:32:27,062 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-12-19 18:32:27,062 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-12-19 18:32:27,062 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-12-19 18:32:27,068 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-12-19 18:32:27,068 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-12-19 18:32:27,083 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-12-19 18:32:27,107 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-12-19 18:32:27,108 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 18:32:27,108 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-19 18:32:27,109 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-12-19 18:32:27,111 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-12-19 18:32:27,112 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
[2021-12-19 18:32:27,120 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-12-19 18:32:27,120 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-12-19 18:32:27,120 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-12-19 18:32:27,120 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-12-19 18:32:27,128 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-12-19 18:32:27,129 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-12-19 18:32:27,147 INFO  L527          LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-12-19 18:32:27,174 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-12-19 18:32:27,175 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 18:32:27,175 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-19 18:32:27,178 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-12-19 18:32:27,183 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-12-19 18:32:27,184 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
[2021-12-19 18:32:27,191 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-12-19 18:32:27,191 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-12-19 18:32:27,191 INFO  L204   nArgumentSynthesizer]: 1 loop disjuncts
[2021-12-19 18:32:27,191 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-12-19 18:32:27,208 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-12-19 18:32:27,209 INFO  L402   nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-12-19 18:32:27,224 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-12-19 18:32:27,275 INFO  L443   ModelExtractionUtils]: Simplification made 9 calls to the SMT solver.
[2021-12-19 18:32:27,275 INFO  L444   ModelExtractionUtils]: 0 out of 31 variables were initially zero. Simplification set additionally 28 variables to zero.
[2021-12-19 18:32:27,278 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-12-19 18:32:27,278 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-19 18:32:27,315 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-12-19 18:32:27,367 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-12-19 18:32:27,367 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-12-19 18:32:27,382 INFO  L438   nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2.
[2021-12-19 18:32:27,382 INFO  L513          LassoAnalysis]: Proved termination.
[2021-12-19 18:32:27,383 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select (select #memory_int ULTIMATE.start_main_~ad2~0#1.base) (+ (* (div (+ ULTIMATE.start_main_~#ad1~0#1.offset (- ULTIMATE.start_main_~pa~0#1.offset)) (- 8)) 8) ULTIMATE.start_main_~ad2~0#1.offset))_1) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~ad2~0#1.base) (+ (* (div (+ ULTIMATE.start_main_~#ad1~0#1.offset (- ULTIMATE.start_main_~pa~0#1.offset)) (- 8)) 8) ULTIMATE.start_main_~ad2~0#1.offset))_1
Supporting invariants []
[2021-12-19 18:32:27,399 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-12-19 18:32:27,453 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-12-19 18:32:27,464 INFO  L297   tatePredicateManager]: 16 out of 19 supporting invariants were superfluous and have been removed
[2021-12-19 18:32:27,509 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-19 18:32:27,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-19 18:32:27,537 INFO  L263         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-12-19 18:32:27,538 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-12-19 18:32:27,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-19 18:32:27,561 WARN  L261         TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-12-19 18:32:27,562 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-12-19 18:32:27,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-19 18:32:27,642 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 
[2021-12-19 18:32:27,643 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand  has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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)
[2021-12-19 18:32:27,699 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand  has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 32 states and 36 transitions. Complement of second has 8 states.
[2021-12-19 18:32:27,701 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 
[2021-12-19 18:32:27,704 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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)
[2021-12-19 18:32:27,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions.
[2021-12-19 18:32:27,706 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 3 letters. Loop has 2 letters.
[2021-12-19 18:32:27,707 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-12-19 18:32:27,707 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 2 letters.
[2021-12-19 18:32:27,707 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-12-19 18:32:27,707 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 3 letters. Loop has 4 letters.
[2021-12-19 18:32:27,707 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-12-19 18:32:27,708 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions.
[2021-12-19 18:32:27,710 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-12-19 18:32:27,711 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions.
[2021-12-19 18:32:27,712 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-12-19 18:32:27,712 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-12-19 18:32:27,713 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-12-19 18:32:27,713 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-19 18:32:27,713 INFO  L681         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-12-19 18:32:27,713 INFO  L704         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-12-19 18:32:27,713 INFO  L587         BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-12-19 18:32:27,713 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-12-19 18:32:27,714 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-12-19 18:32:27,714 INFO  L131   ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-12-19 18:32:27,714 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-12-19 18:32:27,719 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 06:32:27 BoogieIcfgContainer
[2021-12-19 18:32:27,719 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-12-19 18:32:27,720 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-12-19 18:32:27,720 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-12-19 18:32:27,720 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-12-19 18:32:27,721 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:32:25" (3/4) ...
[2021-12-19 18:32:27,723 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-12-19 18:32:27,723 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-12-19 18:32:27,724 INFO  L158              Benchmark]: Toolchain (without parser) took 3185.16ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 70.8MB in the end (delta: -16.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB.
[2021-12-19 18:32:27,724 INFO  L158              Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-12-19 18:32:27,725 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 208.36ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 70.8MB in the end (delta: -16.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB.
[2021-12-19 18:32:27,725 INFO  L158              Benchmark]: Boogie Procedure Inliner took 23.91ms. Allocated memory is still 92.3MB. Free memory was 70.8MB in the beginning and 69.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-12-19 18:32:27,726 INFO  L158              Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 68.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-12-19 18:32:27,726 INFO  L158              Benchmark]: RCFGBuilder took 191.75ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 58.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-12-19 18:32:27,727 INFO  L158              Benchmark]: BuchiAutomizer took 2717.53ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 58.7MB in the beginning and 71.7MB in the end (delta: -13.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB.
[2021-12-19 18:32:27,727 INFO  L158              Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 113.2MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-12-19 18:32:27,729 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 208.36ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 70.8MB in the end (delta: -16.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 23.91ms. Allocated memory is still 92.3MB. Free memory was 70.8MB in the beginning and 69.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 33.63ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 68.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 191.75ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 58.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 2717.53ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 58.7MB in the beginning and 71.7MB in the end (delta: -13.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB.
 * Witness Printer took 3.07ms. Allocated memory is still 113.2MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#memory_int-unknown[ad2][(ad1 + -pa) / -8 * 8 + ad2] and consists of 5 locations. 
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 2.6s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1.	Nontrivial modules had stage [1, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 11 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks:   Lassos: inital193 mio100 ax100 hnf101 lsp96 ukn102 mio100 lsp56 div169 bol100 ite100 ukn100 eq138 hnf65 smp77 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 66ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	
  - TerminationAnalysisResult: Termination proven
    Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2021-12-19 18:32:27,743 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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