./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/IntPath.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/IntPath.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:21:46,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:21:46,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:21:46,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:21:46,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:21:46,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:21:46,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:21:46,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:21:46,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:21:46,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:21:46,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:21:46,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:21:46,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:21:46,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:21:46,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:21:46,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:21:46,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:21:46,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:21:46,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:21:46,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:21:46,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:21:46,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:21:46,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:21:46,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:21:46,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:21:46,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:21:46,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:21:46,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:21:46,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:21:46,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:21:46,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:21:46,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:21:46,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:21:46,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:21:46,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:21:46,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:21:46,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:21:46,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:21:46,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:21:46,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:21:46,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:21:46,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-16 09:21:46,851 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:21:46,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:21:46,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:21:46,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:21:46,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:21:46,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:21:46,853 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:21:46,853 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:21:46,854 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:21:46,854 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:21:46,854 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:21:46,855 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:21:46,855 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:21:46,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:21:46,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:21:46,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:21:46,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:21:46,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:21:46,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:21:46,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:21:46,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:21:46,856 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:21:46,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:21:46,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:21:46,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:21:46,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:21:46,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:21:46,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:21:46,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:21:46,859 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:21:46,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 [2021-12-16 09:21:47,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:21:47,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:21:47,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:21:47,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:21:47,069 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:21:47,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-12-16 09:21:47,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd4f40c32/a822be154c6945ea9d361e9ac3c8fdd1/FLAG0a0f0f88c [2021-12-16 09:21:47,460 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:21:47,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-12-16 09:21:47,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd4f40c32/a822be154c6945ea9d361e9ac3c8fdd1/FLAG0a0f0f88c [2021-12-16 09:21:47,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd4f40c32/a822be154c6945ea9d361e9ac3c8fdd1 [2021-12-16 09:21:47,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:21:47,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:21:47,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:21:47,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:21:47,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:21:47,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43490f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47, skipping insertion in model container [2021-12-16 09:21:47,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:21:47,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:21:47,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:21:47,597 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:21:47,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:21:47,611 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:21:47,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47 WrapperNode [2021-12-16 09:21:47,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:21:47,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:21:47,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:21:47,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:21:47,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,629 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-12-16 09:21:47,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:21:47,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:21:47,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:21:47,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:21:47,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:21:47,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:21:47,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:21:47,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:21:47,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (1/1) ... [2021-12-16 09:21:47,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:21:47,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:21:47,663 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) [2021-12-16 09:21:47,675 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 [2021-12-16 09:21:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:21:47,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:21:47,747 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:21:47,748 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:21:47,792 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:21:47,796 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:21:47,796 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 09:21:47,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:21:47 BoogieIcfgContainer [2021-12-16 09:21:47,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:21:47,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:21:47,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:21:47,800 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:21:47,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:21:47,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:21:47" (1/3) ... [2021-12-16 09:21:47,801 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ce0e9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:21:47, skipping insertion in model container [2021-12-16 09:21:47,801 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:21:47,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:21:47" (2/3) ... [2021-12-16 09:21:47,801 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ce0e9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:21:47, skipping insertion in model container [2021-12-16 09:21:47,802 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:21:47,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:21:47" (3/3) ... [2021-12-16 09:21:47,802 INFO L388 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2021-12-16 09:21:47,827 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:21:47,828 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:21:47,828 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:21:47,828 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:21:47,828 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:21:47,828 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:21:47,828 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:21:47,828 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:21:47,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2021-12-16 09:21:47,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-16 09:21:47,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:21:47,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:21:47,848 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-16 09:21:47,848 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-16 09:21:47,849 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:21:47,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2021-12-16 09:21:47,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-16 09:21:47,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:21:47,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:21:47,850 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-16 09:21:47,850 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-16 09:21:47,854 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := 0;main_~y~0#1 := 0; 5#L13true assume !(main_~i~0#1 > 10);main_~y~0#1 := 1; 6#L18-1true [2021-12-16 09:21:47,854 INFO L793 eck$LassoCheckResult]: Loop: 6#L18-1true assume !!(main_~x~0#1 == main_~y~0#1); 6#L18-1true [2021-12-16 09:21:47,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:21:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-16 09:21:47,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:21:47,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108647848] [2021-12-16 09:21:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:21:47,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:21:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:47,905 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:21:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:47,916 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:21:47,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:21:47,918 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2021-12-16 09:21:47,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:21:47,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465365296] [2021-12-16 09:21:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:21:47,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:21:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:47,927 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:21:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:47,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:21:47,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:21:47,931 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-12-16 09:21:47,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:21:47,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371325787] [2021-12-16 09:21:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:21:47,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:21:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:21:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:21:48,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:21:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371325787] [2021-12-16 09:21:48,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371325787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:21:48,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:21:48,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:21:48,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314210133] [2021-12-16 09:21:48,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:21:48,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:21:48,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:21:48,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:21:48,076 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:21:48,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:21:48,101 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2021-12-16 09:21:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 09:21:48,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 13 transitions. [2021-12-16 09:21:48,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-16 09:21:48,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 4 states and 4 transitions. [2021-12-16 09:21:48,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-12-16 09:21:48,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-12-16 09:21:48,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. [2021-12-16 09:21:48,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:21:48,111 INFO L681 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-16 09:21:48,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. [2021-12-16 09:21:48,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-12-16 09:21:48,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:21:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2021-12-16 09:21:48,126 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-16 09:21:48,126 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-16 09:21:48,126 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:21:48,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. [2021-12-16 09:21:48,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-16 09:21:48,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:21:48,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:21:48,127 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-16 09:21:48,127 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-16 09:21:48,127 INFO L791 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 36#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := 0;main_~y~0#1 := 0; 37#L13 assume main_~i~0#1 > 10;main_~x~0#1 := 1; 38#L18-1 [2021-12-16 09:21:48,127 INFO L793 eck$LassoCheckResult]: Loop: 38#L18-1 assume !!(main_~x~0#1 == main_~y~0#1); 38#L18-1 [2021-12-16 09:21:48,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:21:48,128 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-16 09:21:48,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:21:48,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399728090] [2021-12-16 09:21:48,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:21:48,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:21:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:48,143 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:21:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:48,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:21:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:21:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 2 times [2021-12-16 09:21:48,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:21:48,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983966207] [2021-12-16 09:21:48,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:21:48,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:21:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:48,155 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:21:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:21:48,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:21:48,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:21:48,158 INFO L85 PathProgramCache]: Analyzing trace with hash 925614, now seen corresponding path program 1 times [2021-12-16 09:21:48,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:21:48,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842473089] [2021-12-16 09:21:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:21:48,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:21:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:21:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:21:48,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:21:48,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842473089] [2021-12-16 09:21:48,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842473089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:21:48,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:21:48,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 09:21:48,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607399656] [2021-12-16 09:21:48,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:21:48,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:21:48,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 09:21:48,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 09:21:48,197 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. cyclomatic complexity: 1 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:21:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:21:48,205 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2021-12-16 09:21:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 09:21:48,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 3 transitions. [2021-12-16 09:21:48,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:21:48,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2021-12-16 09:21:48,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 09:21:48,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 09:21:48,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 09:21:48,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:21:48,208 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:21:48,208 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:21:48,208 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:21:48,208 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:21:48,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 09:21:48,209 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:21:48,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 09:21:48,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:21:48 BoogieIcfgContainer [2021-12-16 09:21:48,213 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:21:48,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:21:48,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:21:48,214 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:21:48,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:21:47" (3/4) ... [2021-12-16 09:21:48,216 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 09:21:48,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:21:48,216 INFO L158 Benchmark]: Toolchain (without parser) took 741.98ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 40.6MB in the end (delta: 31.3MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-12-16 09:21:48,217 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:21:48,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.81ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 77.8MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 09:21:48,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.03ms. Allocated memory is still 100.7MB. Free memory was 77.8MB in the beginning and 76.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:21:48,218 INFO L158 Benchmark]: Boogie Preprocessor took 10.52ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 75.8MB in the end (delta: 784.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:21:48,218 INFO L158 Benchmark]: RCFGBuilder took 156.53ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 67.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 09:21:48,218 INFO L158 Benchmark]: BuchiAutomizer took 415.57ms. Allocated memory is still 100.7MB. Free memory was 67.4MB in the beginning and 41.0MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-16 09:21:48,219 INFO L158 Benchmark]: Witness Printer took 2.08ms. Allocated memory is still 100.7MB. Free memory was 41.0MB in the beginning and 40.6MB in the end (delta: 376.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:21:48,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.81ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 77.8MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.03ms. Allocated memory is still 100.7MB. Free memory was 77.8MB in the beginning and 76.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 10.52ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 75.8MB in the end (delta: 784.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 156.53ms. Allocated memory is still 100.7MB. Free memory was 75.4MB in the beginning and 67.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 415.57ms. Allocated memory is still 100.7MB. Free memory was 67.4MB in the beginning and 41.0MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 2.08ms. Allocated memory is still 100.7MB. Free memory was 41.0MB in the beginning and 40.6MB in the end (delta: 376.8kB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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! [2021-12-16 09:21:48,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE