./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 [2021-12-19 17:17:46,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 17:17:46,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 17:17:46,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 17:17:46,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 17:17:46,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 17:17:46,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 17:17:46,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 17:17:46,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 17:17:46,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 17:17:46,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 17:17:46,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 17:17:46,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 17:17:46,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 17:17:46,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 17:17:46,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 17:17:46,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 17:17:46,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 17:17:46,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 17:17:46,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 17:17:46,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 17:17:46,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 17:17:46,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 17:17:46,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 17:17:46,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 17:17:46,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 17:17:46,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 17:17:46,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 17:17:46,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 17:17:46,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 17:17:46,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 17:17:46,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 17:17:46,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 17:17:46,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 17:17:46,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 17:17:46,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 17:17:46,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 17:17:46,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 17:17:46,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 17:17:46,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 17:17:46,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 17:17:46,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-19 17:17:46,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 17:17:46,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 17:17:46,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 17:17:46,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 17:17:46,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 17:17:46,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 17:17:46,142 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 17:17:46,142 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 17:17:46,142 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 17:17:46,142 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 17:17:46,142 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 17:17:46,143 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 17:17:46,143 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 17:17:46,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 17:17:46,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 17:17:46,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 17:17:46,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 17:17:46,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 17:17:46,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 17:17:46,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 17:17:46,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 17:17:46,144 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 17:17:46,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 17:17:46,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 17:17:46,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 17:17:46,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 17:17:46,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 17:17:46,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 17:17:46,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 17:17:46,147 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 17:17:46,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 [2021-12-19 17:17:46,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 17:17:46,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 17:17:46,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 17:17:46,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 17:17:46,374 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 17:17:46,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-12-19 17:17:46,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beac3bac8/81362ade702f42ba8b48ca73a07b9847/FLAG6f13e1b2a [2021-12-19 17:17:46,837 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 17:17:46,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-12-19 17:17:46,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beac3bac8/81362ade702f42ba8b48ca73a07b9847/FLAG6f13e1b2a [2021-12-19 17:17:46,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beac3bac8/81362ade702f42ba8b48ca73a07b9847 [2021-12-19 17:17:46,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 17:17:46,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 17:17:46,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 17:17:46,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 17:17:46,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 17:17:46,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:17:46" (1/1) ... [2021-12-19 17:17:46,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106481ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:46, skipping insertion in model container [2021-12-19 17:17:46,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:17:46" (1/1) ... [2021-12-19 17:17:46,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 17:17:46,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 17:17:46,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:17:47,001 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 17:17:47,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:17:47,020 INFO L208 MainTranslator]: Completed translation [2021-12-19 17:17:47,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47 WrapperNode [2021-12-19 17:17:47,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 17:17:47,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 17:17:47,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 17:17:47,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 17:17:47,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,038 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-12-19 17:17:47,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 17:17:47,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 17:17:47,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 17:17:47,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 17:17:47,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 17:17:47,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 17:17:47,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 17:17:47,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 17:17:47,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (1/1) ... [2021-12-19 17:17:47,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:17:47,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:17:47,078 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 17:17:47,091 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 17:17:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 17:17:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 17:17:47,149 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 17:17:47,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 17:17:47,198 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 17:17:47,202 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 17:17:47,202 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 17:17:47,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:17:47 BoogieIcfgContainer [2021-12-19 17:17:47,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 17:17:47,204 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 17:17:47,204 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 17:17:47,206 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 17:17:47,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:17:47,207 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 05:17:46" (1/3) ... [2021-12-19 17:17:47,207 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5de9cd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:17:47, skipping insertion in model container [2021-12-19 17:17:47,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:17:47,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:17:47" (2/3) ... [2021-12-19 17:17:47,208 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5de9cd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:17:47, skipping insertion in model container [2021-12-19 17:17:47,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:17:47,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:17:47" (3/3) ... [2021-12-19 17:17:47,209 INFO L388 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2021-12-19 17:17:47,241 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 17:17:47,241 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 17:17:47,242 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 17:17:47,242 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 17:17:47,242 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 17:17:47,242 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 17:17:47,242 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 17:17:47,242 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 17:17:47,252 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) [2021-12-19 17:17:47,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 17:17:47,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:17:47,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:17:47,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-19 17:17:47,269 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 17:17:47,269 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 17:17:47,269 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) [2021-12-19 17:17:47,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 17:17:47,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:17:47,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:17:47,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-19 17:17:47,271 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 17:17:47,275 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 [2021-12-19 17:17:47,276 INFO L793 eck$LassoCheckResult]: Loop: 6#L18-1true assume !!(main_~x~0#1 == main_~y~0#1); 6#L18-1true [2021-12-19 17:17:47,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:17:47,280 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-19 17:17:47,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:17:47,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446542903] [2021-12-19 17:17:47,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:17:47,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:17:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,339 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:17:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,354 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:17:47,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:17:47,356 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2021-12-19 17:17:47,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:17:47,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087592101] [2021-12-19 17:17:47,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:17:47,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:17:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,361 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:17:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,364 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:17:47,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:17:47,366 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-12-19 17:17:47,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:17:47,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579859031] [2021-12-19 17:17:47,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:17:47,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:17:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:17:47,421 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 17:17:47,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 17:17:47,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579859031] [2021-12-19 17:17:47,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579859031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 17:17:47,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 17:17:47,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 17:17:47,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206984922] [2021-12-19 17:17:47,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 17:17:47,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 17:17:47,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 17:17:47,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 17:17:47,532 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) [2021-12-19 17:17:47,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 17:17:47,573 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2021-12-19 17:17:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 17:17:47,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 13 transitions. [2021-12-19 17:17:47,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 17:17:47,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 4 states and 4 transitions. [2021-12-19 17:17:47,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-12-19 17:17:47,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-12-19 17:17:47,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. [2021-12-19 17:17:47,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 17:17:47,584 INFO L681 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-19 17:17:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. [2021-12-19 17:17:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-12-19 17:17:47,603 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) [2021-12-19 17:17:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2021-12-19 17:17:47,605 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-19 17:17:47,605 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2021-12-19 17:17:47,605 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 17:17:47,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. [2021-12-19 17:17:47,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-19 17:17:47,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:17:47,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:17:47,609 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-19 17:17:47,609 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-19 17:17:47,609 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 [2021-12-19 17:17:47,609 INFO L793 eck$LassoCheckResult]: Loop: 38#L18-1 assume !!(main_~x~0#1 == main_~y~0#1); 38#L18-1 [2021-12-19 17:17:47,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:17:47,611 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-19 17:17:47,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:17:47,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495993731] [2021-12-19 17:17:47,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:17:47,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:17:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,628 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:17:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:17:47,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:17:47,636 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 2 times [2021-12-19 17:17:47,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:17:47,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092229551] [2021-12-19 17:17:47,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:17:47,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:17:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,650 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:17:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:17:47,654 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:17:47,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:17:47,655 INFO L85 PathProgramCache]: Analyzing trace with hash 925614, now seen corresponding path program 1 times [2021-12-19 17:17:47,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:17:47,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774203913] [2021-12-19 17:17:47,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:17:47,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:17:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:17:47,697 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 17:17:47,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 17:17:47,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774203913] [2021-12-19 17:17:47,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774203913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 17:17:47,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 17:17:47,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 17:17:47,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506975015] [2021-12-19 17:17:47,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 17:17:47,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 17:17:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 17:17:47,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-19 17:17:47,706 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) [2021-12-19 17:17:47,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 17:17:47,713 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2021-12-19 17:17:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 17:17:47,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 3 transitions. [2021-12-19 17:17:47,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 17:17:47,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2021-12-19 17:17:47,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 17:17:47,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 17:17:47,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 17:17:47,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 17:17:47,718 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 17:17:47,718 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 17:17:47,718 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 17:17:47,718 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 17:17:47,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 17:17:47,719 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 17:17:47,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 17:17:47,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 05:17:47 BoogieIcfgContainer [2021-12-19 17:17:47,725 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 17:17:47,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 17:17:47,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 17:17:47,727 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 17:17:47,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:17:47" (3/4) ... [2021-12-19 17:17:47,729 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 17:17:47,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 17:17:47,731 INFO L158 Benchmark]: Toolchain (without parser) took 863.59ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.6MB in the beginning and 84.5MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:17:47,732 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:17:47,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 152.58ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 72.7MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 17:17:47,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.02ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:17:47,737 INFO L158 Benchmark]: Boogie Preprocessor took 11.15ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 70.6MB in the end (delta: 839.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 17:17:47,738 INFO L158 Benchmark]: RCFGBuilder took 153.77ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 63.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-19 17:17:47,738 INFO L158 Benchmark]: BuchiAutomizer took 520.99ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.8MB in the beginning and 84.9MB in the end (delta: -22.1MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2021-12-19 17:17:47,739 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.5MB in the end (delta: 390.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 17:17:47,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 152.58ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 72.7MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.02ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.15ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 70.6MB in the end (delta: 839.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 153.77ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 63.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 520.99ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.8MB in the beginning and 84.9MB in the end (delta: -22.1MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.5MB in the end (delta: 390.1kB). 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 0.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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! [2021-12-19 17:17:47,783 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