./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/IntPath.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3 --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 d204ea6638a616c846b000f1a4abc2d6ee737a0e ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:10:17,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:10:17,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:10:17,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:10:17,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:10:17,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:10:17,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:10:17,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:10:17,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:10:17,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:10:17,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:10:17,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:10:17,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:10:17,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:10:17,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:10:17,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:10:17,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:10:17,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:10:17,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:10:17,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:10:17,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:10:17,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:10:17,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:10:17,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:10:17,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:10:17,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:10:17,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:10:17,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:10:17,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:10:17,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:10:17,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:10:17,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:10:17,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:10:17,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:10:17,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:10:17,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:10:17,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:10:17,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:10:17,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:10:17,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:10:17,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:10:17,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-15 20:10:17,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:10:17,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:10:17,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:10:17,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:10:17,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:10:17,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:10:17,357 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:10:17,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:10:17,358 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:10:17,358 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:10:17,358 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:10:17,359 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:10:17,359 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:10:17,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:10:17,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:10:17,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:10:17,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:10:17,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:10:17,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:10:17,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:10:17,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:10:17,361 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:10:17,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:10:17,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:10:17,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:10:17,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:10:17,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:10:17,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:10:17,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:10:17,364 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:10:17,364 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d204ea6638a616c846b000f1a4abc2d6ee737a0e [2021-10-15 20:10:17,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:10:17,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:10:17,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:10:17,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:10:17,628 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:10:17,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-10-15 20:10:17,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/data/b7fb53ea3/27cc734f937a4a69a59ec1495ec67927/FLAG72d3a6c2a [2021-10-15 20:10:18,215 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:10:18,216 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-10-15 20:10:18,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/data/b7fb53ea3/27cc734f937a4a69a59ec1495ec67927/FLAG72d3a6c2a [2021-10-15 20:10:18,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/data/b7fb53ea3/27cc734f937a4a69a59ec1495ec67927 [2021-10-15 20:10:18,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:10:18,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:10:18,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:10:18,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:10:18,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:10:18,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9b726b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18, skipping insertion in model container [2021-10-15 20:10:18,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:10:18,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:10:18,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:10:18,848 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:10:18,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:10:18,879 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:10:18,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18 WrapperNode [2021-10-15 20:10:18,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:10:18,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:10:18,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:10:18,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:10:18,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:10:18,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:10:18,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:10:18,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:10:18,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:10:18,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:10:18,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:10:18,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:10:18,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (1/1) ... [2021-10-15 20:10:18,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:10:18,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:10:18,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:10:19,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:10:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:10:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:10:19,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:10:19,196 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-15 20:10:19,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:10:19 BoogieIcfgContainer [2021-10-15 20:10:19,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:10:19,205 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:10:19,205 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:10:19,209 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:10:19,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:10:19,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:10:18" (1/3) ... [2021-10-15 20:10:19,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@607980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:10:19, skipping insertion in model container [2021-10-15 20:10:19,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:10:19,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:10:18" (2/3) ... [2021-10-15 20:10:19,212 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@607980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:10:19, skipping insertion in model container [2021-10-15 20:10:19,213 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:10:19,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:10:19" (3/3) ... [2021-10-15 20:10:19,215 INFO L389 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2021-10-15 20:10:19,267 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:10:19,267 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:10:19,267 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:10:19,268 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:10:19,268 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:10:19,268 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:10:19,268 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:10:19,268 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:10:19,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-10-15 20:10:19,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 20:10:19,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:10:19,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:10:19,302 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:10:19,302 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 20:10:19,303 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:10:19,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-10-15 20:10:19,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 20:10:19,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:10:19,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:10:19,305 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:10:19,305 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 20:10:19,311 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := 0;main_~y~0 := 0; 5#L13true assume !(main_~i~0 > 10);main_~y~0 := 1; 6#L18-1true [2021-10-15 20:10:19,312 INFO L793 eck$LassoCheckResult]: Loop: 6#L18-1true assume !!(main_~x~0 == main_~y~0); 6#L18-1true [2021-10-15 20:10:19,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:19,324 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2021-10-15 20:10:19,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:19,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404314387] [2021-10-15 20:10:19,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:19,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,415 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:10:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:10:19,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:19,439 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2021-10-15 20:10:19,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:19,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769101079] [2021-10-15 20:10:19,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:19,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:10:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,449 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:10:19,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:19,451 INFO L82 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2021-10-15 20:10:19,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:19,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840935703] [2021-10-15 20:10:19,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:19,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:10:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:10:19,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:10:19,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840935703] [2021-10-15 20:10:19,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840935703] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:10:19,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:10:19,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 20:10:19,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901732612] [2021-10-15 20:10:19,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:10:19,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 20:10:19,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:10:19,582 INFO L87 Difference]: Start difference. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-10-15 20:10:19,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:10:19,630 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-10-15 20:10:19,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 20:10:19,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2021-10-15 20:10:19,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 20:10:19,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 3 states and 3 transitions. [2021-10-15 20:10:19,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-15 20:10:19,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-15 20:10:19,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2021-10-15 20:10:19,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:10:19,649 INFO L681 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2021-10-15 20:10:19,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2021-10-15 20:10:19,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2021-10-15 20:10:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-15 20:10:19,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-10-15 20:10:19,697 INFO L704 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2021-10-15 20:10:19,698 INFO L587 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2021-10-15 20:10:19,698 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 20:10:19,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2021-10-15 20:10:19,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 20:10:19,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:10:19,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:10:19,699 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:10:19,699 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 20:10:19,699 INFO L791 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := 0;main_~y~0 := 0; 34#L13 assume main_~i~0 > 10;main_~x~0 := 1; 35#L18-1 [2021-10-15 20:10:19,700 INFO L793 eck$LassoCheckResult]: Loop: 35#L18-1 assume !!(main_~x~0 == main_~y~0); 35#L18-1 [2021-10-15 20:10:19,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:19,700 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-10-15 20:10:19,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:19,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467927194] [2021-10-15 20:10:19,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:19,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,720 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:10:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,736 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:10:19,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:19,737 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 2 times [2021-10-15 20:10:19,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:19,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387213596] [2021-10-15 20:10:19,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:19,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,742 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:10:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:10:19,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:10:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:10:19,746 INFO L82 PathProgramCache]: Analyzing trace with hash 30891, now seen corresponding path program 1 times [2021-10-15 20:10:19,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:10:19,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144682804] [2021-10-15 20:10:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:10:19,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:10:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:10:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:10:19,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:10:19,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144682804] [2021-10-15 20:10:19,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144682804] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:10:19,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:10:19,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 20:10:19,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699541568] [2021-10-15 20:10:19,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:10:19,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 20:10:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-15 20:10:19,837 INFO L87 Difference]: Start difference. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-10-15 20:10:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:10:19,847 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2021-10-15 20:10:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 20:10:19,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 2 transitions. [2021-10-15 20:10:19,848 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:10:19,848 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2021-10-15 20:10:19,848 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 20:10:19,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 20:10:19,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 20:10:19,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:10:19,849 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:10:19,849 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:10:19,849 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:10:19,849 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 20:10:19,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 20:10:19,849 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:10:19,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 20:10:19,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:10:19 BoogieIcfgContainer [2021-10-15 20:10:19,855 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 20:10:19,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:10:19,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:10:19,856 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:10:19,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:10:19" (3/4) ... [2021-10-15 20:10:19,859 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:10:19,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:10:19,862 INFO L168 Benchmark]: Toolchain (without parser) took 1236.02 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 73.0 MB in the beginning and 98.0 MB in the end (delta: -25.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:10:19,862 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:10:19,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.26 ms. Allocated memory is still 102.8 MB. Free memory was 72.8 MB in the beginning and 79.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:19,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 102.8 MB. Free memory was 79.4 MB in the beginning and 78.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:10:19,864 INFO L168 Benchmark]: Boogie Preprocessor took 28.40 ms. Allocated memory is still 102.8 MB. Free memory was 78.2 MB in the beginning and 77.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:19,865 INFO L168 Benchmark]: RCFGBuilder took 253.89 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 70.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:10:19,866 INFO L168 Benchmark]: BuchiAutomizer took 650.30 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.6 MB in the beginning and 98.0 MB in the end (delta: -28.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:10:19,866 INFO L168 Benchmark]: Witness Printer took 4.17 ms. Allocated memory is still 123.7 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:10:19,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.26 ms. Allocated memory is still 102.8 MB. Free memory was 72.8 MB in the beginning and 79.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 102.8 MB. Free memory was 79.4 MB in the beginning and 78.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.40 ms. Allocated memory is still 102.8 MB. Free memory was 78.2 MB in the beginning and 77.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 253.89 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 70.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 650.30 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.6 MB in the beginning and 98.0 MB in the end (delta: -28.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.17 ms. Allocated memory is still 123.7 MB. Free memory is still 98.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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 0.5s 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 12.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.9ms Time 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! [2021-10-15 20:10:19,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cc726c1-0799-4e51-a6cd-5a8f254df7f8/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...