./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G --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 d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:09:47,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:09:47,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:09:47,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:09:47,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:09:47,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:09:47,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:09:47,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:09:47,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:09:47,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:09:47,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:09:47,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:09:47,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:09:47,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:09:47,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:09:47,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:09:47,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:09:47,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:09:47,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:09:47,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:09:47,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:09:47,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:09:47,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:09:47,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:09:47,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:09:47,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:09:47,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:09:47,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:09:47,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:09:47,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:09:47,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:09:47,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:09:47,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:09:47,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:09:47,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:09:47,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:09:47,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:09:47,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:09:47,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:09:47,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:09:47,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:09:47,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 14:09:47,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:09:47,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:09:47,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:09:47,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:09:47,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:09:47,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:09:47,358 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:09:47,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:09:47,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:09:47,359 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:09:47,361 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:09:47,361 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:09:47,362 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:09:47,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:09:47,362 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:09:47,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:09:47,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:09:47,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:09:47,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:09:47,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:09:47,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:09:47,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:09:47,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:09:47,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:09:47,366 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:09:47,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:09:47,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:09:47,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:09:47,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:09:47,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:09:47,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:09:47,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:09:47,370 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:09:47,370 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_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c [2021-11-23 14:09:47,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:09:47,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:09:47,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:09:47,800 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:09:47,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:09:47,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2021-11-23 14:09:47,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/data/33718f3d8/bf26df7274e24df6b4fb52e5282b68fb/FLAGa3fe68221 [2021-11-23 14:09:48,571 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:09:48,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/sv-benchmarks/c/loop-lit/cggmp2005.i [2021-11-23 14:09:48,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/data/33718f3d8/bf26df7274e24df6b4fb52e5282b68fb/FLAGa3fe68221 [2021-11-23 14:09:48,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/data/33718f3d8/bf26df7274e24df6b4fb52e5282b68fb [2021-11-23 14:09:48,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:09:48,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:09:48,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:09:48,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:09:48,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:09:48,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:48" (1/1) ... [2021-11-23 14:09:48,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1dfe74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:48, skipping insertion in model container [2021-11-23 14:09:48,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:48" (1/1) ... [2021-11-23 14:09:48,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:09:48,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:09:49,196 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_41ec00c5-2da3-4037-af0e-b79abe127e8f/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2021-11-23 14:09:49,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:09:49,222 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:09:49,239 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_41ec00c5-2da3-4037-af0e-b79abe127e8f/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2021-11-23 14:09:49,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:09:49,267 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:09:49,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49 WrapperNode [2021-11-23 14:09:49,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:09:49,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:09:49,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:09:49,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:09:49,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,310 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2021-11-23 14:09:49,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:09:49,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:09:49,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:09:49,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:09:49,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:09:49,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:09:49,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:09:49,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:09:49,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (1/1) ... [2021-11-23 14:09:49,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:49,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:49,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:49,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:09:49,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:09:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:09:49,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:09:49,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:09:49,514 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:09:49,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:09:49,610 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:09:49,617 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:09:49,618 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 14:09:49,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:49 BoogieIcfgContainer [2021-11-23 14:09:49,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:09:49,621 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:09:49,622 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:09:49,626 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:09:49,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:09:49,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:09:48" (1/3) ... [2021-11-23 14:09:49,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67382fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:09:49, skipping insertion in model container [2021-11-23 14:09:49,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:09:49,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:49" (2/3) ... [2021-11-23 14:09:49,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67382fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:09:49, skipping insertion in model container [2021-11-23 14:09:49,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:09:49,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:49" (3/3) ... [2021-11-23 14:09:49,633 INFO L388 chiAutomizerObserver]: Analyzing ICFG cggmp2005.i [2021-11-23 14:09:49,685 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:09:49,686 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:09:49,686 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:09:49,686 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:09:49,686 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:09:49,687 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:09:49,687 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:09:49,687 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:09:49,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-23 14:09:49,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:09:49,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:09:49,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:09:49,732 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:09:49,732 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 14:09:49,732 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:09:49,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-23 14:09:49,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:09:49,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:09:49,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:09:49,735 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:09:49,735 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 14:09:49,743 INFO L791 eck$LassoCheckResult]: Stem: 5#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(9, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 1;main_~j~0#1 := 10; 8#L28-2true [2021-11-23 14:09:49,743 INFO L793 eck$LassoCheckResult]: Loop: 8#L28-2true assume !!(main_~j~0#1 >= main_~i~0#1);main_~i~0#1 := 2 + main_~i~0#1;main_~j~0#1 := -1 + main_~j~0#1; 8#L28-2true [2021-11-23 14:09:49,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:49,750 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 14:09:49,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:09:49,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427070353] [2021-11-23 14:09:49,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:09:49,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:09:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:49,874 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:09:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:49,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:09:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-23 14:09:49,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:09:49,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371637531] [2021-11-23 14:09:49,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:09:49,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:09:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:49,976 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:09:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:49,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:09:50,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:50,001 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-23 14:09:50,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:09:50,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493806541] [2021-11-23 14:09:50,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:09:50,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:09:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:50,028 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:09:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:09:50,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:09:50,180 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:09:50,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:09:50,182 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:09:50,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:09:50,183 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:09:50,183 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:50,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:09:50,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:09:50,185 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2021-11-23 14:09:50,186 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:09:50,186 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:09:50,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:50,301 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:09:50,302 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:09:50,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:50,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:50,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:50,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:09:50,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:50,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:09:50,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:50,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:50,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:50,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:50,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:09:50,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:09:50,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:09:50,506 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 14:09:50,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:50,515 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:09:50,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:09:50,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:09:50,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:09:50,516 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 14:09:50,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:50,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:09:50,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:09:50,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2021-11-23 14:09:50,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:09:50,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:09:50,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:09:50,577 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:09:50,583 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 14:09:50,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:50,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:50,598 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 [2021-11-23 14:09:50,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 14:09:50,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 14:09:50,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 14:09:50,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 14:09:50,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 14:09:50,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 14:09:50,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 14:09:50,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:09:50,641 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 14:09:50,649 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 14:09:50,649 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 14:09:50,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:09:50,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:09:50,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:09:50,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 14:09:50,659 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 14:09:50,660 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 14:09:50,661 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~j~0#1 - 2*ULTIMATE.start_main_~i~0#1 + 3 Supporting invariants [] [2021-11-23 14:09:50,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:09:50,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:09:50,708 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 14:09:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:09:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:09:50,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:09:50,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:09:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:09:50,810 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 14:09:50,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:09:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:09:50,849 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 14:09:50,850 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 2 states, 2 states have (on average 1.5) 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) [2021-11-23 14:09:50,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 2 states, 2 states have (on average 1.5) 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) Result 25 states and 30 transitions. Complement of second has 5 states. [2021-11-23 14:09:50,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-23 14:09:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) 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) [2021-11-23 14:09:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-23 14:09:50,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. [2021-11-23 14:09:50,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:09:50,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-23 14:09:50,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:09:50,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-23 14:09:50,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 14:09:50,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-11-23 14:09:50,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:09:50,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-11-23 14:09:50,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 14:09:50,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 14:09:50,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 14:09:50,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 14:09:50,964 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:09:50,964 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:09:50,964 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:09:50,965 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 14:09:50,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 14:09:50,965 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 14:09:50,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 14:09:50,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:09:50 BoogieIcfgContainer [2021-11-23 14:09:50,975 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 14:09:50,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:09:50,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:09:50,978 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:09:50,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:49" (3/4) ... [2021-11-23 14:09:50,984 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 14:09:50,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:09:50,987 INFO L158 Benchmark]: Toolchain (without parser) took 2061.35ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 81.2MB in the beginning and 111.3MB in the end (delta: -30.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:09:50,988 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 113.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:09:50,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.47ms. Allocated memory is still 113.2MB. Free memory was 80.9MB in the beginning and 89.1MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:09:50,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.21ms. Allocated memory is still 113.2MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:09:50,993 INFO L158 Benchmark]: Boogie Preprocessor took 33.72ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 86.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:09:51,000 INFO L158 Benchmark]: RCFGBuilder took 273.01ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 78.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:09:51,001 INFO L158 Benchmark]: BuchiAutomizer took 1353.88ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 78.3MB in the beginning and 111.3MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:09:51,001 INFO L158 Benchmark]: Witness Printer took 7.35ms. Allocated memory is still 136.3MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:09:51,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2021-11-23 14:09:51,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 113.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.47ms. Allocated memory is still 113.2MB. Free memory was 80.9MB in the beginning and 89.1MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.21ms. Allocated memory is still 113.2MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.72ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 86.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.01ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 78.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1353.88ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 78.3MB in the beginning and 111.3MB in the end (delta: -33.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.35ms. Allocated memory is still 136.3MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 2 * j + 3 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 76ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 14:09:51,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ec00c5-2da3-4037-af0e-b79abe127e8f/bin/uautomizer-wIGwrQj20G/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