./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF --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 d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:21:46,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:21:46,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:21:46,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:21:46,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:21:46,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:21:46,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:21:46,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:21:46,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:21:46,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:21:46,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:21:46,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:21:46,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:21:46,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:21:46,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:21:46,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:21:46,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:21:46,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:21:46,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:21:46,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:21:46,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:21:46,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:21:46,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:21:46,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:21:46,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:21:46,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:21:46,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:21:46,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:21:46,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:21:46,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:21:46,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:21:46,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:21:46,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:21:46,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:21:46,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:21:46,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:21:46,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:21:46,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:21:46,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:21:46,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:21:46,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:21:46,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:21:46,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:21:46,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:21:46,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:21:46,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:21:46,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:21:46,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:21:46,556 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:21:46,556 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:21:46,556 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:21:46,556 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:21:46,557 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:21:46,558 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:21:46,558 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:21:46,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:21:46,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:21:46,559 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:21:46,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:21:46,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:21:46,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:21:46,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:21:46,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:21:46,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:21:46,560 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:21:46,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:21:46,561 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:21:46,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:21:46,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:21:46,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:21:46,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:21:46,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:21:46,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:21:46,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:21:46,565 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:21:46,565 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_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 [2021-11-20 06:21:46,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:21:46,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:21:46,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:21:46,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:21:46,853 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:21:46,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/loop-lit/gsv2008.i [2021-11-20 06:21:46,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/data/c78ebb958/398e3895943f46078773fb39526a89e3/FLAG2e1c2871f [2021-11-20 06:21:47,565 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:21:47,565 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/sv-benchmarks/c/loop-lit/gsv2008.i [2021-11-20 06:21:47,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/data/c78ebb958/398e3895943f46078773fb39526a89e3/FLAG2e1c2871f [2021-11-20 06:21:47,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/data/c78ebb958/398e3895943f46078773fb39526a89e3 [2021-11-20 06:21:47,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:21:47,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:21:47,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:21:47,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:21:47,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:21:47,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:47" (1/1) ... [2021-11-20 06:21:47,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc8ddcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:47, skipping insertion in model container [2021-11-20 06:21:47,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:47" (1/1) ... [2021-11-20 06:21:47,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:21:47,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:21:48,144 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_58041d4f-4172-4511-b2a9-afb18bb8e725/sv-benchmarks/c/loop-lit/gsv2008.i[895,908] [2021-11-20 06:21:48,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:21:48,164 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:21:48,180 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_58041d4f-4172-4511-b2a9-afb18bb8e725/sv-benchmarks/c/loop-lit/gsv2008.i[895,908] [2021-11-20 06:21:48,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:21:48,224 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:21:48,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48 WrapperNode [2021-11-20 06:21:48,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:21:48,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:21:48,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:21:48,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:21:48,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,288 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2021-11-20 06:21:48,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:21:48,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:21:48,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:21:48,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:21:48,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:21:48,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:21:48,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:21:48,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:21:48,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (1/1) ... [2021-11-20 06:21:48,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:48,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:48,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:48,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:21:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:21:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:21:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:21:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:21:48,465 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:21:48,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:21:48,580 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:21:48,586 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:21:48,587 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:21:48,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:48 BoogieIcfgContainer [2021-11-20 06:21:48,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:21:48,592 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:21:48,592 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:21:48,595 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:21:48,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:21:48,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:21:47" (1/3) ... [2021-11-20 06:21:48,597 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fe376fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:21:48, skipping insertion in model container [2021-11-20 06:21:48,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:21:48,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:48" (2/3) ... [2021-11-20 06:21:48,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fe376fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:21:48, skipping insertion in model container [2021-11-20 06:21:48,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:21:48,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:48" (3/3) ... [2021-11-20 06:21:48,600 INFO L388 chiAutomizerObserver]: Analyzing ICFG gsv2008.i [2021-11-20 06:21:48,677 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:21:48,678 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:21:48,678 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:21:48,678 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:21:48,678 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:21:48,678 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:21:48,679 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:21:48,679 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:21:48,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 06:21:48,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:21:48,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:21:48,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:21:48,726 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:21:48,726 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:21:48,726 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:21:48,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-20 06:21:48,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:21:48,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:21:48,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:21:48,729 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:21:48,729 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:21:48,738 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~nondet1#1, main_#t~post2#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := -50;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(-1000 < main_~y~0#1 && main_~y~0#1 < 1000000); 12#L29-2true [2021-11-20 06:21:48,738 INFO L793 eck$LassoCheckResult]: Loop: 12#L29-2true assume !!(main_~x~0#1 < 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_#t~post2#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 12#L29-2true [2021-11-20 06:21:48,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:48,745 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 06:21:48,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:48,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793199746] [2021-11-20 06:21:48,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:48,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:21:48,896 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:21:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:21:48,925 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:21:48,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2021-11-20 06:21:48,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:48,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337360747] [2021-11-20 06:21:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:48,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:21:48,952 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:21:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:21:48,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:21:48,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:48,976 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-11-20 06:21:48,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:21:48,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623461933] [2021-11-20 06:21:48,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:21:48,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:21:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:21:49,014 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:21:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:21:49,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:21:49,177 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:21:49,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:21:49,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:21:49,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:21:49,179 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:21:49,179 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,179 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:21:49,179 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:21:49,180 INFO L133 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2021-11-20 06:21:49,180 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:21:49,180 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:21:49,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:21:49,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:21:49,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:21:49,332 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:21:49,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:49,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:49,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:21:49,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:21:49,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:21:49,386 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:21:49,387 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:21:49,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:21:49,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:49,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:49,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:21:49,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:21:49,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:21:49,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-20 06:21:49,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:49,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:49,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:21:49,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:21:49,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:21:49,662 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:21:49,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 06:21:49,670 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:21:49,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:21:49,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:21:49,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:21:49,670 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:21:49,670 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:21:49,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:21:49,671 INFO L133 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2021-11-20 06:21:49,671 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:21:49,671 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:21:49,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:21:49,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:21:49,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:21:49,776 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:21:49,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:49,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:49,794 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 [2021-11-20 06:21:49,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:21:49,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:21:49,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:21:49,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:21:49,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:21:49,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:21:49,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:21:49,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:21:49,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:21:49,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:21:49,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:49,870 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:49,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:21:49,896 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 [2021-11-20 06:21:49,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:21:49,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:21:49,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:21:49,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:21:49,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:21:49,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:21:49,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:21:49,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:21:49,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:21:49,963 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:21:49,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:49,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:49,965 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:49,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:21:49,967 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 [2021-11-20 06:21:49,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:21:49,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:21:49,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:21:49,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:21:49,979 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:21:49,980 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:21:49,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:21:50,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:21:50,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:21:50,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:50,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:50,045 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:50,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:21:50,047 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 [2021-11-20 06:21:50,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:21:50,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:21:50,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:21:50,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:21:50,062 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:21:50,067 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:21:50,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:21:50,088 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:21:50,098 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 06:21:50,098 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-20 06:21:50,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:21:50,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:50,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:50,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:21:50,124 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:21:50,125 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 06:21:50,125 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:21:50,126 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0#1 + 1 f1 = -2*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2021-11-20 06:21:50,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:21:50,178 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 06:21:50,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:21:50,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:21:50,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:21:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:50,316 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:21:50,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:21:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:21:50,363 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 [2021-11-20 06:21:50,367 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.0) internal successors, (4), 2 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) [2021-11-20 06:21:50,440 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2.0) internal successors, (4), 2 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 29 states and 34 transitions. Complement of second has 5 states. [2021-11-20 06:21:50,443 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 [2021-11-20 06:21:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2021-11-20 06:21:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-11-20 06:21:50,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-20 06:21:50,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:21:50,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-20 06:21:50,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:21:50,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 06:21:50,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:21:50,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2021-11-20 06:21:50,473 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:21:50,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2021-11-20 06:21:50,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:21:50,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:21:50,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:21:50,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:21:50,478 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:21:50,479 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:21:50,479 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:21:50,479 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:21:50,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:21:50,479 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:21:50,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:21:50,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:21:50 BoogieIcfgContainer [2021-11-20 06:21:50,490 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:21:50,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:21:50,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:21:50,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:21:50,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:48" (3/4) ... [2021-11-20 06:21:50,505 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:21:50,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:21:50,507 INFO L158 Benchmark]: Toolchain (without parser) took 2585.74ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 100.2MB in the beginning and 143.7MB in the end (delta: -43.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-20 06:21:50,509 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:21:50,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.24ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 103.5MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:21:50,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.14ms. Allocated memory is still 130.0MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:21:50,522 INFO L158 Benchmark]: Boogie Preprocessor took 23.03ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:21:50,522 INFO L158 Benchmark]: RCFGBuilder took 277.47ms. Allocated memory is still 130.0MB. Free memory was 101.0MB in the beginning and 92.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:21:50,523 INFO L158 Benchmark]: BuchiAutomizer took 1898.28ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 92.2MB in the beginning and 143.7MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:21:50,523 INFO L158 Benchmark]: Witness Printer took 8.56ms. Allocated memory is still 178.3MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:21:50,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.24ms. Allocated memory is still 130.0MB. Free memory was 99.8MB in the beginning and 103.5MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.14ms. Allocated memory is still 130.0MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.03ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.47ms. Allocated memory is still 130.0MB. Free memory was 101.0MB in the beginning and 92.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1898.28ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 92.2MB in the beginning and 143.7MB in the end (delta: -51.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.56ms. Allocated memory is still 178.3MB. Free memory is still 143.7MB. 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 2-nested ranking function (if -2 * y + 1 > 0 then 1 else 0), (if -2 * y + 1 > 0 then -2 * y + 1 else -2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 16 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, 11 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 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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! [2021-11-20 06:21:50,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58041d4f-4172-4511-b2a9-afb18bb8e725/bin/uautomizer-DQz5hQGWxF/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