./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