./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa --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 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:56:44,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:56:44,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:56:44,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:56:44,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:56:44,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:56:44,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:56:44,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:56:44,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:56:44,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:56:44,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:56:44,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:56:44,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:56:44,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:56:44,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:56:44,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:56:44,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:56:44,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:56:44,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:56:44,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:56:44,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:56:44,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:56:44,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:56:44,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:56:44,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:56:44,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:56:44,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:56:44,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:56:44,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:56:44,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:56:44,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:56:44,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:56:44,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:56:44,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:56:44,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:56:44,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:56:44,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:56:44,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:56:44,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:56:44,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:56:44,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:56:44,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 22:56:44,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:56:44,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:56:44,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:56:44,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:56:44,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:56:44,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:56:44,458 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:56:44,458 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:56:44,458 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:56:44,458 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:56:44,458 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:56:44,459 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:56:44,459 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:56:44,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:56:44,459 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:56:44,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:56:44,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:56:44,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:56:44,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:56:44,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:56:44,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:56:44,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:56:44,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:56:44,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:56:44,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:56:44,462 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_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 [2021-12-06 22:56:44,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:56:44,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:56:44,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:56:44,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:56:44,657 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:56:44,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/loop-new/count_by_1.i [2021-12-06 22:56:44,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/data/e2e13fc28/ab518a8c6ce6487fa4e869a29fbd2ef6/FLAGfbda1603b [2021-12-06 22:56:45,057 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:56:45,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/sv-benchmarks/c/loop-new/count_by_1.i [2021-12-06 22:56:45,062 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/data/e2e13fc28/ab518a8c6ce6487fa4e869a29fbd2ef6/FLAGfbda1603b [2021-12-06 22:56:45,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/data/e2e13fc28/ab518a8c6ce6487fa4e869a29fbd2ef6 [2021-12-06 22:56:45,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:56:45,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:56:45,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:56:45,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:56:45,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:56:45,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3645ab6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45, skipping insertion in model container [2021-12-06 22:56:45,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:56:45,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:56:45,214 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_193b517a-4145-4b57-b96c-e4d2b58dff5c/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2021-12-06 22:56:45,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:56:45,225 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:56:45,234 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_193b517a-4145-4b57-b96c-e4d2b58dff5c/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2021-12-06 22:56:45,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:56:45,245 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:56:45,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45 WrapperNode [2021-12-06 22:56:45,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:56:45,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:56:45,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:56:45,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:56:45,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,267 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2021-12-06 22:56:45,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:56:45,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:56:45,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:56:45,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:56:45,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:56:45,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:56:45,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:56:45,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:56:45,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (1/1) ... [2021-12-06 22:56:45,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:56:45,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:56:45,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:56:45,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:56:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:56:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:56:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:56:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:56:45,385 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:56:45,387 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:56:45,444 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:56:45,448 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:56:45,448 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:56:45,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:56:45 BoogieIcfgContainer [2021-12-06 22:56:45,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:56:45,450 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:56:45,450 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:56:45,452 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:56:45,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:56:45,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:56:45" (1/3) ... [2021-12-06 22:56:45,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bfd40ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:56:45, skipping insertion in model container [2021-12-06 22:56:45,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:56:45,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:45" (2/3) ... [2021-12-06 22:56:45,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bfd40ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:56:45, skipping insertion in model container [2021-12-06 22:56:45,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:56:45,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:56:45" (3/3) ... [2021-12-06 22:56:45,455 INFO L388 chiAutomizerObserver]: Analyzing ICFG count_by_1.i [2021-12-06 22:56:45,487 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:56:45,487 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:56:45,487 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:56:45,487 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:56:45,487 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:56:45,487 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:56:45,487 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:56:45,488 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:56:45,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:56:45,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 22:56:45,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:56:45,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:56:45,516 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 22:56:45,516 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:56:45,516 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:56:45,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:56:45,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 22:56:45,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:56:45,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:56:45,518 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 22:56:45,518 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:56:45,523 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_#t~post1#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 12#L26-3true [2021-12-06 22:56:45,523 INFO L793 eck$LassoCheckResult]: Loop: 12#L26-3true assume !!(main_~i~0#1 < 1000000); 8#L26-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 12#L26-3true [2021-12-06 22:56:45,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:56:45,528 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 22:56:45,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:56:45,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708167204] [2021-12-06 22:56:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:56:45,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:56:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:56:45,594 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:56:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:56:45,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:56:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:56:45,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-06 22:56:45,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:56:45,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422138655] [2021-12-06 22:56:45,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:56:45,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:56:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:56:45,624 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:56:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:56:45,629 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:56:45,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:56:45,631 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-06 22:56:45,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:56:45,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39803255] [2021-12-06 22:56:45,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:56:45,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:56:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:56:45,643 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:56:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:56:45,652 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:56:45,691 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:56:45,692 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:56:45,692 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:56:45,692 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:56:45,692 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:56:45,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:56:45,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:56:45,693 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:56:45,693 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1.i_Iteration1_Loop [2021-12-06 22:56:45,693 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:56:45,693 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:56:45,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:56:45,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:56:45,736 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:56:45,736 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:56:45,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:56:45,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:56:45,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:56:45,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 22:56:45,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:56:45,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:56:45,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:56:45,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:56:45,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:56:45,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:56:45,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 22:56:45,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:56:45,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:56:45,810 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 22:56:45,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 22:56:45,812 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:56:45,813 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:56:45,813 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:56:45,813 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:56:45,813 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:56:45,813 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:56:45,813 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:56:45,813 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:56:45,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1.i_Iteration1_Loop [2021-12-06 22:56:45,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:56:45,813 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:56:45,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:56:45,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:56:45,835 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:56:45,838 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:56:45,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:56:45,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:56:45,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:56:45,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 22:56:45,842 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 [2021-12-06 22:56:45,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:56:45,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:56:45,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:56:45,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:56:45,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:56:45,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:56:45,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:56:45,854 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:56:45,860 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 22:56:45,860 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 22:56:45,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:56:45,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:56:45,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:56:45,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 22:56:45,863 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:56:45,863 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 22:56:45,863 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:56:45,864 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1999999 Supporting invariants [] [2021-12-06 22:56:45,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 22:56:45,884 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 22:56:45,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:56:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:45,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:56:45,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:56:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:45,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:56:45,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:56:45,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 22:56:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:56:45,975 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 22:56:45,976 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:56:46,006 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 33 transitions. Complement of second has 7 states. [2021-12-06 22:56:46,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 22:56:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:56:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-12-06 22:56:46,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-06 22:56:46,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:56:46,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 22:56:46,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:56:46,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-06 22:56:46,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:56:46,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2021-12-06 22:56:46,016 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 22:56:46,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-12-06 22:56:46,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 22:56:46,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 22:56:46,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 22:56:46,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:56:46,019 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:56:46,019 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:56:46,019 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:56:46,019 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 22:56:46,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:56:46,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 22:56:46,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 22:56:46,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 10:56:46 BoogieIcfgContainer [2021-12-06 22:56:46,025 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 22:56:46,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:56:46,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:56:46,026 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:56:46,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:56:45" (3/4) ... [2021-12-06 22:56:46,028 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 22:56:46,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:56:46,029 INFO L158 Benchmark]: Toolchain (without parser) took 955.15ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 57.3MB in the beginning and 92.6MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:56:46,030 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:56:46,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.25ms. Allocated memory is still 96.5MB. Free memory was 57.1MB in the beginning and 71.8MB in the end (delta: -14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:56:46,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.16ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:56:46,031 INFO L158 Benchmark]: Boogie Preprocessor took 13.24ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 69.3MB in the end (delta: 854.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:56:46,032 INFO L158 Benchmark]: RCFGBuilder took 166.81ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 60.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:56:46,032 INFO L158 Benchmark]: BuchiAutomizer took 575.03ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.9MB in the beginning and 92.6MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:56:46,032 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 121.6MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:56:46,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.25ms. Allocated memory is still 96.5MB. Free memory was 57.1MB in the beginning and 71.8MB in the end (delta: -14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.16ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.24ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 69.3MB in the end (delta: 854.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 166.81ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 60.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 575.03ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.9MB in the beginning and 92.6MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 121.6MB. Free memory is still 92.6MB. 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 + 1999999 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 22:56:46,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_193b517a-4145-4b57-b96c-e4d2b58dff5c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE