./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/IntPath.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD --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 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:44:22,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:44:22,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:44:22,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:44:22,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:44:22,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:44:22,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:44:22,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:44:22,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:44:22,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:44:22,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:44:22,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:44:22,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:44:22,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:44:22,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:44:22,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:44:22,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:44:22,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:44:22,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:44:22,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:44:22,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:44:22,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:44:22,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:44:22,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:44:22,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:44:22,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:44:22,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:44:22,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:44:22,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:44:22,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:44:22,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:44:22,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:44:22,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:44:22,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:44:22,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:44:22,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:44:22,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:44:22,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:44:22,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:44:22,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:44:22,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:44:22,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:44:22,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:44:22,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:44:22,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:44:22,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:44:22,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:44:22,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:44:22,455 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:44:22,456 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:44:22,456 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:44:22,456 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:44:22,458 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:44:22,458 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:44:22,458 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:44:22,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:44:22,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:44:22,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:44:22,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:44:22,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:44:22,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:44:22,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:44:22,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:44:22,462 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:44:22,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:44:22,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:44:22,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:44:22,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:44:22,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:44:22,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:44:22,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:44:22,466 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:44:22,466 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_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 [2021-10-28 23:44:22,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:44:22,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:44:22,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:44:22,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:44:22,945 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:44:22,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-10-28 23:44:23,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/data/e791cf621/aa45ba68b4784f9496ba7597e9be7cad/FLAG74f08ea95 [2021-10-28 23:44:23,734 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:44:23,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/sv-benchmarks/c/termination-restricted-15/IntPath.c [2021-10-28 23:44:23,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/data/e791cf621/aa45ba68b4784f9496ba7597e9be7cad/FLAG74f08ea95 [2021-10-28 23:44:24,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/data/e791cf621/aa45ba68b4784f9496ba7597e9be7cad [2021-10-28 23:44:24,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:44:24,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:44:24,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:44:24,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:44:24,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:44:24,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765b4918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24, skipping insertion in model container [2021-10-28 23:44:24,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:44:24,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:44:24,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:44:24,369 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:44:24,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:44:24,403 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:44:24,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24 WrapperNode [2021-10-28 23:44:24,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:44:24,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:44:24,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:44:24,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:44:24,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:44:24,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:44:24,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:44:24,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:44:24,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:44:24,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:44:24,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:44:24,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:44:24,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (1/1) ... [2021-10-28 23:44:24,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:44:24,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:44:24,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:44:24,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:44:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:44:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:44:24,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:44:24,779 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:44:24,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:44:24 BoogieIcfgContainer [2021-10-28 23:44:24,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:44:24,785 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:44:24,786 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:44:24,790 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:44:24,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:44:24,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:44:24" (1/3) ... [2021-10-28 23:44:24,793 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a0d4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:44:24, skipping insertion in model container [2021-10-28 23:44:24,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:44:24,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:44:24" (2/3) ... [2021-10-28 23:44:24,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a0d4536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:44:24, skipping insertion in model container [2021-10-28 23:44:24,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:44:24,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:44:24" (3/3) ... [2021-10-28 23:44:24,796 INFO L389 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2021-10-28 23:44:24,879 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:44:24,879 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:44:24,879 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:44:24,879 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:44:24,880 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:44:24,880 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:44:24,880 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:44:24,880 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:44:24,899 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) [2021-10-28 23:44:24,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:44:24,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:44:24,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:44:24,929 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:44:24,929 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:44:24,930 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:44:24,930 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) [2021-10-28 23:44:24,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:44:24,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:44:24,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:44:24,933 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:44:24,933 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:44:24,942 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 [2021-10-28 23:44:24,942 INFO L793 eck$LassoCheckResult]: Loop: 6#L18-1true assume !!(main_~x~0 == main_~y~0); 6#L18-1true [2021-10-28 23:44:24,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:24,952 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2021-10-28 23:44:24,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:24,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061686636] [2021-10-28 23:44:24,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:24,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,076 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:44:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:44:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:25,124 INFO L85 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2021-10-28 23:44:25,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:25,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151593826] [2021-10-28 23:44:25,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:25,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,142 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:44:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:44:25,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:25,167 INFO L85 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2021-10-28 23:44:25,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:25,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568370716] [2021-10-28 23:44:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:25,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:44:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:44:25,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:44:25,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568370716] [2021-10-28 23:44:25,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568370716] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:44:25,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:44:25,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:44:25,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367258620] [2021-10-28 23:44:25,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:44:25,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:44:25,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:44:25,417 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) [2021-10-28 23:44:25,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:44:25,484 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-10-28 23:44:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:44:25,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2021-10-28 23:44:25,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:44:25,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 3 states and 3 transitions. [2021-10-28 23:44:25,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-28 23:44:25,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-28 23:44:25,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2021-10-28 23:44:25,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:44:25,499 INFO L681 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2021-10-28 23:44:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2021-10-28 23:44:25,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2021-10-28 23:44:25,533 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) [2021-10-28 23:44:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-10-28 23:44:25,535 INFO L704 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2021-10-28 23:44:25,536 INFO L587 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2021-10-28 23:44:25,536 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:44:25,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2021-10-28 23:44:25,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:44:25,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:44:25,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:44:25,539 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:44:25,540 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:44:25,541 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 [2021-10-28 23:44:25,541 INFO L793 eck$LassoCheckResult]: Loop: 35#L18-1 assume !!(main_~x~0 == main_~y~0); 35#L18-1 [2021-10-28 23:44:25,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:25,543 INFO L85 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-10-28 23:44:25,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:25,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144474642] [2021-10-28 23:44:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:25,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,560 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:44:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:44:25,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:25,584 INFO L85 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 2 times [2021-10-28 23:44:25,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:25,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393174776] [2021-10-28 23:44:25,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:25,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,598 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:44:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:44:25,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:44:25,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:44:25,608 INFO L85 PathProgramCache]: Analyzing trace with hash 30891, now seen corresponding path program 1 times [2021-10-28 23:44:25,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:44:25,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573305949] [2021-10-28 23:44:25,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:44:25,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:44:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:44:25,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:44:25,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:44:25,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573305949] [2021-10-28 23:44:25,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573305949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:44:25,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:44:25,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:44:25,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34179148] [2021-10-28 23:44:25,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:44:25,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:44:25,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:44:25,705 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) [2021-10-28 23:44:25,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:44:25,719 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2021-10-28 23:44:25,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:44:25,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 2 transitions. [2021-10-28 23:44:25,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:44:25,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2021-10-28 23:44:25,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:44:25,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:44:25,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:44:25,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:44:25,725 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:44:25,725 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:44:25,725 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:44:25,725 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:44:25,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:44:25,726 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:44:25,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:44:25,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:44:25 BoogieIcfgContainer [2021-10-28 23:44:25,734 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:44:25,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:44:25,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:44:25,736 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:44:25,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:44:24" (3/4) ... [2021-10-28 23:44:25,740 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:44:25,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:44:25,745 INFO L168 Benchmark]: Toolchain (without parser) took 1651.19 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 54.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:25,747 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 113.2 MB. Free memory was 93.6 MB in the beginning and 93.5 MB in the end (delta: 64.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:44:25,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.67 ms. Allocated memory is still 113.2 MB. Free memory was 77.2 MB in the beginning and 91.5 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:25,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.88 ms. Allocated memory is still 113.2 MB. Free memory was 91.5 MB in the beginning and 90.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:44:25,753 INFO L168 Benchmark]: Boogie Preprocessor took 21.77 ms. Allocated memory is still 113.2 MB. Free memory was 90.3 MB in the beginning and 89.4 MB in the end (delta: 883.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:44:25,760 INFO L168 Benchmark]: RCFGBuilder took 317.71 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 80.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:25,760 INFO L168 Benchmark]: BuchiAutomizer took 949.01 ms. Allocated memory is still 113.2 MB. Free memory was 80.3 MB in the beginning and 55.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:44:25,761 INFO L168 Benchmark]: Witness Printer took 5.50 ms. Allocated memory is still 113.2 MB. Free memory was 55.1 MB in the beginning and 54.8 MB in the end (delta: 351.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:44:25,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 113.2 MB. Free memory was 93.6 MB in the beginning and 93.5 MB in the end (delta: 64.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 311.67 ms. Allocated memory is still 113.2 MB. Free memory was 77.2 MB in the beginning and 91.5 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.88 ms. Allocated memory is still 113.2 MB. Free memory was 91.5 MB in the beginning and 90.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.77 ms. Allocated memory is still 113.2 MB. Free memory was 90.3 MB in the beginning and 89.4 MB in the end (delta: 883.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 317.71 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 80.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 949.01 ms. Allocated memory is still 113.2 MB. Free memory was 80.3 MB in the beginning and 55.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.50 ms. Allocated memory is still 113.2 MB. Free memory was 55.1 MB in the beginning and 54.8 MB in the end (delta: 351.2 kB). 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 0.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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 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, 0.0s 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! [2021-10-28 23:44:25,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6997fdef-16be-4ae3-b3b0-6143b8388cc7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...