./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_1-2.c --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_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/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_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/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_56b4776c-7dbf-446f-9bff-474cb30421a2/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 f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:00:12,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:00:12,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:00:12,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:00:12,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:00:12,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:00:12,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:00:12,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:00:12,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:00:12,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:00:12,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:00:12,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:00:12,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:00:12,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:00:12,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:00:12,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:00:12,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:00:12,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:00:12,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:00:12,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:00:12,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:00:12,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:00:12,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:00:12,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:00:12,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:00:12,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:00:12,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:00:12,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:00:12,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:00:12,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:00:12,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:00:12,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:00:12,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:00:12,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:00:12,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:00:12,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:00:12,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:00:12,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:00:12,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:00:12,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:00:12,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:00:12,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:00:12,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:00:12,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:00:12,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:00:12,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:00:12,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:00:12,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:00:12,641 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:00:12,641 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:00:12,641 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:00:12,642 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:00:12,643 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:00:12,643 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:00:12,643 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:00:12,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:00:12,644 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:00:12,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:00:12,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:00:12,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:00:12,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:00:12,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:00:12,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:00:12,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:00:12,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:00:12,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:00:12,646 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:00:12,646 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:00:12,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:00:12,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:00:12,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:00:12,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:00:12,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:00:12,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:00:12,651 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:00:12,651 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_56b4776c-7dbf-446f-9bff-474cb30421a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 [2021-11-20 07:00:12,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:00:12,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:00:12,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:00:12,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:00:12,969 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:00:12,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/loop-acceleration/array_1-2.c [2021-11-20 07:00:13,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/data/567ef1f5c/21706ce4268f4850bcc0f435a470458d/FLAGa08111cb9 [2021-11-20 07:00:13,496 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:00:13,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/sv-benchmarks/c/loop-acceleration/array_1-2.c [2021-11-20 07:00:13,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/data/567ef1f5c/21706ce4268f4850bcc0f435a470458d/FLAGa08111cb9 [2021-11-20 07:00:13,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/data/567ef1f5c/21706ce4268f4850bcc0f435a470458d [2021-11-20 07:00:13,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:00:13,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:00:13,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:00:13,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:00:13,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:00:13,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:00:13" (1/1) ... [2021-11-20 07:00:13,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7366afdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:13, skipping insertion in model container [2021-11-20 07:00:13,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:00:13" (1/1) ... [2021-11-20 07:00:13,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:00:13,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:00:14,138 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_56b4776c-7dbf-446f-9bff-474cb30421a2/sv-benchmarks/c/loop-acceleration/array_1-2.c[321,334] [2021-11-20 07:00:14,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:00:14,173 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:00:14,186 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_56b4776c-7dbf-446f-9bff-474cb30421a2/sv-benchmarks/c/loop-acceleration/array_1-2.c[321,334] [2021-11-20 07:00:14,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:00:14,209 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:00:14,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14 WrapperNode [2021-11-20 07:00:14,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:00:14,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:00:14,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:00:14,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:00:14,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,245 INFO L137 Inliner]: procedures = 13, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-20 07:00:14,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:00:14,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:00:14,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:00:14,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:00:14,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:00:14,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:00:14,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:00:14,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:00:14,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (1/1) ... [2021-11-20 07:00:14,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:14,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:14,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:14,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:00:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:00:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:00:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:00:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:00:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:00:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:00:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:00:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:00:14,445 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:00:14,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:00:14,585 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:00:14,591 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:00:14,594 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:00:14,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:14 BoogieIcfgContainer [2021-11-20 07:00:14,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:00:14,598 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:00:14,598 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:00:14,602 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:00:14,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:00:14,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:00:13" (1/3) ... [2021-11-20 07:00:14,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d23e889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:00:14, skipping insertion in model container [2021-11-20 07:00:14,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:00:14,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:14" (2/3) ... [2021-11-20 07:00:14,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d23e889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:00:14, skipping insertion in model container [2021-11-20 07:00:14,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:00:14,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:14" (3/3) ... [2021-11-20 07:00:14,608 INFO L388 chiAutomizerObserver]: Analyzing ICFG array_1-2.c [2021-11-20 07:00:14,667 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:00:14,667 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:00:14,667 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:00:14,667 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:00:14,667 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:00:14,668 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:00:14,668 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:00:14,668 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:00:14,682 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) [2021-11-20 07:00:14,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:00:14,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:00:14,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:00:14,705 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:00:14,705 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:00:14,706 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:00:14,706 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) [2021-11-20 07:00:14,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:00:14,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:00:14,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:00:14,709 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:00:14,709 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:00:14,715 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post4#1, main_#t~mem5#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0#1;main_~i~0#1 := 0; 7#L16-3true [2021-11-20 07:00:14,716 INFO L793 eck$LassoCheckResult]: Loop: 7#L16-3true assume !!(main_~i~0#1 < 1024);call write~int(main_~i~0#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 8#L16-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7#L16-3true [2021-11-20 07:00:14,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:14,721 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 07:00:14,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:14,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073286993] [2021-11-20 07:00:14,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:14,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:00:14,815 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:00:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:00:14,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:00:14,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:14,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-20 07:00:14,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:14,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541725775] [2021-11-20 07:00:14,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:14,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:00:14,878 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:00:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:00:14,900 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:00:14,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:14,902 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-20 07:00:14,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:00:14,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600034684] [2021-11-20 07:00:14,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:00:14,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:00:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:00:14,948 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:00:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:00:14,978 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:00:15,403 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:00:15,403 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:00:15,404 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:00:15,404 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:00:15,404 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:00:15,404 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:15,404 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:00:15,404 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:00:15,405 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_1-2.c_Iteration1_Lasso [2021-11-20 07:00:15,405 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:00:15,405 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:00:15,424 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 07:00:15,430 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 07:00:15,639 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 07:00:15,643 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 07:00:15,647 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 07:00:15,650 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 07:00:15,926 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:00:15,931 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:00:15,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:15,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:15,947 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 07:00:15,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:15,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:00:15,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:15,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:15,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:15,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:00:15,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:00:15,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:00:15,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,014 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 07:00:16,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:00:16,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,108 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 07:00:16,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:00:16,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:00:16,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:00:16,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:00:16,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:00:16,183 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 07:00:16,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:00:16,267 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 07:00:16,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,338 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,344 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 07:00:16,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:00:16,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,413 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,424 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 07:00:16,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:00:16,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,501 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,507 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 07:00:16,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:00:16,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,577 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,583 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 07:00:16,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:00:16,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:00:16,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,646 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:00:16,647 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 07:00:16,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:00:16,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:00:16,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:00:16,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:00:16,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:00:16,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:00:16,683 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:00:16,736 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-20 07:00:16,736 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-20 07:00:16,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:00:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:00:16,739 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:00:16,749 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:00:16,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:00:16,778 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:00:16,778 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:00:16,778 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 2047*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-20 07:00:16,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:16,829 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-11-20 07:00:16,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:00:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:16,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:00:16,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:00:16,885 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:00:16,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:00:16,947 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 07:00:16,989 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 [2021-11-20 07:00:16,991 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) [2021-11-20 07:00:17,038 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 24 states and 30 transitions. Complement of second has 8 states. [2021-11-20 07:00:17,040 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 [2021-11-20 07:00:17,048 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) [2021-11-20 07:00:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-11-20 07:00:17,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-20 07:00:17,051 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:00:17,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-20 07:00:17,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:00:17,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-20 07:00:17,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:00:17,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-11-20 07:00:17,059 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:00:17,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-11-20 07:00:17,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 07:00:17,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 07:00:17,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 07:00:17,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:00:17,062 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:00:17,062 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:00:17,062 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:00:17,062 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:00:17,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:00:17,062 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:00:17,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:00:17,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:00:17 BoogieIcfgContainer [2021-11-20 07:00:17,068 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:00:17,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:00:17,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:00:17,075 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:00:17,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:14" (3/4) ... [2021-11-20 07:00:17,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:00:17,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:00:17,079 INFO L158 Benchmark]: Toolchain (without parser) took 3193.04ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 65.0MB in the beginning and 51.6MB in the end (delta: 13.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-20 07:00:17,080 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:00:17,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.09ms. Allocated memory is still 102.8MB. Free memory was 64.8MB in the beginning and 78.1MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:00:17,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.51ms. Allocated memory is still 102.8MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:00:17,082 INFO L158 Benchmark]: Boogie Preprocessor took 43.97ms. Allocated memory is still 102.8MB. Free memory was 76.6MB in the beginning and 75.7MB in the end (delta: 852.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:00:17,082 INFO L158 Benchmark]: RCFGBuilder took 306.43ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 66.5MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:00:17,083 INFO L158 Benchmark]: BuchiAutomizer took 2469.55ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 66.5MB in the beginning and 51.6MB in the end (delta: 14.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-20 07:00:17,083 INFO L158 Benchmark]: Witness Printer took 7.32ms. Allocated memory is still 134.2MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:00:17,087 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 102.8MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.09ms. Allocated memory is still 102.8MB. Free memory was 64.8MB in the beginning and 78.1MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.51ms. Allocated memory is still 102.8MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.97ms. Allocated memory is still 102.8MB. Free memory was 76.6MB in the beginning and 75.7MB in the end (delta: 852.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.43ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 66.5MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2469.55ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 66.5MB in the beginning and 51.6MB in the end (delta: 14.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 7.32ms. Allocated memory is still 134.2MB. Free memory is still 51.6MB. 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 -8 * i + 2047 * unknown-#length-unknown[A] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital131 mio100 ax100 hnf100 lsp95 ukn83 mio100 lsp36 div100 bol100 ite100 ukn100 eq157 hnf93 smp100 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 07:00:17,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:00:17,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56b4776c-7dbf-446f-9bff-474cb30421a2/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