./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:50:32,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:50:32,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:50:32,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:50:32,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:50:32,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:50:32,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:50:32,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:50:32,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:50:32,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:50:32,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:50:32,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:50:32,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:50:32,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:50:32,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:50:32,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:50:32,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:50:32,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:50:32,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:50:32,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:50:32,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:50:32,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:50:32,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:50:32,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:50:32,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:50:32,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:50:32,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:50:32,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:50:32,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:50:32,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:50:32,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:50:32,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:50:32,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:50:32,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:50:32,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:50:32,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:50:32,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:50:32,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:50:32,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:50:32,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:50:32,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:50:32,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 14:50:32,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:50:32,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:50:32,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:50:32,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:50:32,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:50:32,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:50:32,325 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:50:32,325 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:50:32,325 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:50:32,326 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:50:32,326 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:50:32,326 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:50:32,326 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:50:32,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:50:32,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:50:32,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:50:32,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:50:32,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:50:32,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:50:32,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:50:32,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:50:32,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:50:32,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:50:32,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:50:32,330 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:50:32,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:50:32,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:50:32,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:50:32,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:50:32,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:50:32,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:50:32,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:50:32,353 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:50:32,353 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_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2021-11-22 14:50:32,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:50:32,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:50:32,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:50:32,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:50:32,658 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:50:32,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2021-11-22 14:50:32,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/data/9136ebe03/b563c043a365497fbb517bc9fe721b31/FLAG8cfeb2f58 [2021-11-22 14:50:33,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:50:33,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2021-11-22 14:50:33,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/data/9136ebe03/b563c043a365497fbb517bc9fe721b31/FLAG8cfeb2f58 [2021-11-22 14:50:33,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/data/9136ebe03/b563c043a365497fbb517bc9fe721b31 [2021-11-22 14:50:33,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:50:33,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:50:33,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:50:33,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:50:33,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:50:33,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:33,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f6f6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33, skipping insertion in model container [2021-11-22 14:50:33,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:33,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:50:33,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:50:33,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2021-11-22 14:50:33,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:50:33,936 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:50:33,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2021-11-22 14:50:33,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:50:33,967 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:50:33,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33 WrapperNode [2021-11-22 14:50:33,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:50:33,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:50:33,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:50:33,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:50:33,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:33,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,001 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2021-11-22 14:50:34,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:50:34,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:50:34,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:50:34,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:50:34,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:50:34,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:50:34,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:50:34,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:50:34,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (1/1) ... [2021-11-22 14:50:34,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:34,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:34,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:34,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:50:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:50:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2021-11-22 14:50:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2021-11-22 14:50:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:50:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:50:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:50:34,232 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:50:34,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:50:34,400 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:50:34,407 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:50:34,420 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 14:50:34,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:34 BoogieIcfgContainer [2021-11-22 14:50:34,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:50:34,424 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:50:34,424 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:50:34,433 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:50:34,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:50:34,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:50:33" (1/3) ... [2021-11-22 14:50:34,437 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@172b529b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:50:34, skipping insertion in model container [2021-11-22 14:50:34,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:50:34,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:33" (2/3) ... [2021-11-22 14:50:34,438 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@172b529b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:50:34, skipping insertion in model container [2021-11-22 14:50:34,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:50:34,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:34" (3/3) ... [2021-11-22 14:50:34,440 INFO L388 chiAutomizerObserver]: Analyzing ICFG recHanoi03-1.c [2021-11-22 14:50:34,512 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:50:34,520 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:50:34,520 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:50:34,520 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:50:34,521 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:50:34,521 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:50:34,521 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:50:34,521 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:50:34,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-22 14:50:34,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 14:50:34,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:50:34,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:50:34,595 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-22 14:50:34,596 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 14:50:34,596 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 14:50:34,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-22 14:50:34,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-22 14:50:34,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:50:34,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:50:34,601 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-22 14:50:34,601 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-22 14:50:34,609 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_~n~0#1, main_~result~0#1;main_~n~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 15#L28true assume !(main_~n~0#1 < 1); 8#L31true call main_#t~ret6#1 := hanoi(main_~n~0#1);< 14#hanoiENTRYtrue [2021-11-22 14:50:34,609 INFO L793 eck$LassoCheckResult]: Loop: 14#hanoiENTRYtrue ~n := #in~n; 13#L19true assume !(1 == ~n); 12#L22true call #t~ret4 := hanoi(~n - 1);< 14#hanoiENTRYtrue [2021-11-22 14:50:34,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1171954, now seen corresponding path program 1 times [2021-11-22 14:50:34,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:34,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739744069] [2021-11-22 14:50:34,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:50:34,741 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:50:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:50:34,777 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:50:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash 29943, now seen corresponding path program 1 times [2021-11-22 14:50:34,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:34,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439204031] [2021-11-22 14:50:34,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:34,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:50:34,791 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:50:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:50:34,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:50:34,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:34,801 INFO L85 PathProgramCache]: Analyzing trace with hash 553943398, now seen corresponding path program 1 times [2021-11-22 14:50:34,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:34,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810405727] [2021-11-22 14:50:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:34,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:50:34,819 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:50:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:50:34,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:50:34,998 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:50:34,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:50:34,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:50:35,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:50:35,000 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 14:50:35,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:35,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:50:35,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:50:35,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Loop [2021-11-22 14:50:35,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:50:35,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:50:35,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,161 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:50:35,166 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 14:50:35,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:35,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:35,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:35,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 14:50:35,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:50:35,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:50:35,207 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:50:35,208 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 14:50:35,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:35,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:35,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:35,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:35,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 14:50:35,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:50:35,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:50:35,246 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:50:35,246 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 14:50:35,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:35,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:35,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:35,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:35,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 14:50:35,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:50:35,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:50:35,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:35,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:35,321 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:35,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 14:50:35,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 14:50:35,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:50:35,349 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:50:35,349 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=0} Honda state: {hanoi_#in~n=0} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=-1}, {hanoi_#in~n=0}] Lambdas: [0, 1, 1] Nus: [0, 0] [2021-11-22 14:50:35,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:35,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:35,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:35,385 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:35,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 14:50:35,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:50:35,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:50:35,402 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:50:35,403 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret4=0} Honda state: {hanoi_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-22 14:50:35,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:35,744 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:50:35,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:50:35,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:50:35,745 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:50:35,745 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:50:35,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:35,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:50:35,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:50:35,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Lasso [2021-11-22 14:50:35,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:50:35,746 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:50:35,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:35,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:50:36,082 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:50:36,087 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:50:36,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:36,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:36,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:36,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-22 14:50:36,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:50:36,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:50:36,111 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-22 14:50:36,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:50:36,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 14:50:36,139 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-22 14:50:36,139 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-22 14:50:36,164 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:50:36,190 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-22 14:50:36,190 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-22 14:50:36,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:50:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:36,195 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:36,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 14:50:36,233 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:50:36,259 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-22 14:50:36,259 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:50:36,260 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2021-11-22 14:50:36,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-22 14:50:36,300 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-22 14:50:36,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:36,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 14:50:36,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:50:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:36,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 14:50:36,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:50:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:36,598 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-22 14:50:36,600 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:50:36,845 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 39 transitions. Complement of second has 13 states. [2021-11-22 14:50:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 14:50:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:50:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-11-22 14:50:36,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2021-11-22 14:50:36,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:50:36,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-22 14:50:36,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:50:36,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-22 14:50:36,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:50:36,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 39 transitions. [2021-11-22 14:50:36,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 14:50:36,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:50:36,878 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-11-22 14:50:36,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 14:50:36,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 14:50:36,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 14:50:36,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:36,881 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:50:36,881 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:50:36,881 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:50:36,881 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 14:50:36,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:50:36,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:50:36,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 14:50:36,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 02:50:36 BoogieIcfgContainer [2021-11-22 14:50:36,889 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 14:50:36,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:50:36,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:50:36,891 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:50:36,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:34" (3/4) ... [2021-11-22 14:50:36,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:50:36,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:50:36,896 INFO L158 Benchmark]: Toolchain (without parser) took 3196.87ms. Allocated memory is still 125.8MB. Free memory was 104.3MB in the beginning and 96.5MB in the end (delta: 7.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-22 14:50:36,897 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:50:36,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.04ms. Allocated memory is still 125.8MB. Free memory was 104.1MB in the beginning and 94.7MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 14:50:36,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.86ms. Allocated memory is still 125.8MB. Free memory was 94.6MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:50:36,899 INFO L158 Benchmark]: Boogie Preprocessor took 22.20ms. Allocated memory is still 125.8MB. Free memory was 93.2MB in the beginning and 92.3MB in the end (delta: 907.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:50:36,900 INFO L158 Benchmark]: RCFGBuilder took 397.74ms. Allocated memory is still 125.8MB. Free memory was 92.1MB in the beginning and 83.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:50:36,901 INFO L158 Benchmark]: BuchiAutomizer took 2465.68ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 97.3MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:50:36,902 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 125.8MB. Free memory was 97.3MB in the beginning and 96.5MB in the end (delta: 754.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:50:36,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.04ms. Allocated memory is still 125.8MB. Free memory was 104.1MB in the beginning and 94.7MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.86ms. Allocated memory is still 125.8MB. Free memory was 94.6MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.20ms. Allocated memory is still 125.8MB. Free memory was 93.2MB in the beginning and 92.3MB in the end (delta: 907.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.74ms. Allocated memory is still 125.8MB. Free memory was 92.1MB in the beginning and 83.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2465.68ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 97.3MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 125.8MB. Free memory was 97.3MB in the beginning and 96.5MB in the end (delta: 754.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 9 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital41 mio100 ax100 hnf100 lsp65 ukn81 mio100 lsp96 div100 bol100 ite100 ukn100 eq183 hnf95 smp100 dnf157 smp100 tf103 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 171ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-22 14:50:36,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66070453-1323-42a8-b19b-41036b6f3c75/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE