./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y --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 64bit --witnessprinter.graph.data.programhash a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:19:20,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:19:20,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:19:20,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:19:20,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:19:20,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:19:20,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:19:20,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:19:20,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:19:20,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:19:20,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:19:20,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:19:20,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:19:20,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:19:20,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:19:20,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:19:20,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:19:20,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:19:20,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:19:20,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:19:20,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:19:20,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:19:20,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:19:20,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:19:20,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:19:20,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:19:20,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:19:20,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:19:20,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:19:20,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:19:20,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:19:20,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:19:20,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:19:20,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:19:20,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:19:20,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:19:20,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:19:20,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:19:20,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:19:20,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:19:20,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:19:20,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-13 18:19:20,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:19:20,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:19:20,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:19:20,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:19:20,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:19:20,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:19:20,378 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:19:20,379 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:19:20,379 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:19:20,379 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:19:20,381 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:19:20,381 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:19:20,381 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:19:20,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:19:20,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:19:20,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:19:20,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:19:20,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:19:20,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:19:20,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:19:20,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:19:20,384 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:19:20,384 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:19:20,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:19:20,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:19:20,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:19:20,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:19:20,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:19:20,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:19:20,390 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:19:20,390 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_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b [2021-11-13 18:19:20,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:19:20,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:19:20,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:19:20,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:19:20,809 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:19:20,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2021-11-13 18:19:20,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/data/7800615de/9acd2f4bc9c04c3698f904096054e60f/FLAG7d4b419ca [2021-11-13 18:19:21,538 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:19:21,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2021-11-13 18:19:21,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/data/7800615de/9acd2f4bc9c04c3698f904096054e60f/FLAG7d4b419ca [2021-11-13 18:19:21,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/data/7800615de/9acd2f4bc9c04c3698f904096054e60f [2021-11-13 18:19:21,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:19:21,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:19:21,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:19:21,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:19:21,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:19:21,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:19:21" (1/1) ... [2021-11-13 18:19:21,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441ad89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:21, skipping insertion in model container [2021-11-13 18:19:21,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:19:21" (1/1) ... [2021-11-13 18:19:21,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:19:21,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:19:22,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:19:22,305 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:19:22,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:19:22,405 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:19:22,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22 WrapperNode [2021-11-13 18:19:22,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:19:22,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:19:22,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:19:22,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:19:22,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:19:22,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:19:22,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:19:22,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:19:22,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:19:22,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:19:22,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:19:22,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:19:22,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (1/1) ... [2021-11-13 18:19:22,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:22,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:22,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:22,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:19:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:19:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:19:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:19:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:19:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:19:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:19:23,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:19:23,018 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:19:23,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:19:23 BoogieIcfgContainer [2021-11-13 18:19:23,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:19:23,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:19:23,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:19:23,052 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:19:23,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:19:23,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:19:21" (1/3) ... [2021-11-13 18:19:23,055 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fc381c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:19:23, skipping insertion in model container [2021-11-13 18:19:23,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:19:23,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:19:22" (2/3) ... [2021-11-13 18:19:23,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fc381c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:19:23, skipping insertion in model container [2021-11-13 18:19:23,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:19:23,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:19:23" (3/3) ... [2021-11-13 18:19:23,058 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-1.i [2021-11-13 18:19:23,153 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:19:23,153 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:19:23,153 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:19:23,154 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:19:23,154 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:19:23,154 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:19:23,154 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:19:23,154 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:19:23,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-11-13 18:19:23,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-13 18:19:23,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:19:23,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:19:23,242 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-13 18:19:23,242 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 18:19:23,242 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:19:23,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-11-13 18:19:23,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-13 18:19:23,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:19:23,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:19:23,247 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-13 18:19:23,247 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 18:19:23,256 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 12#L566true assume !(main_~length~0#1 < 1); 13#L566-2true assume !(main_~n~0#1 < 1); 8#L569-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 17#L550true assume 0 != cstrncpy_~n#1 % 18446744073709551616;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 15#L553-4true [2021-11-13 18:19:23,259 INFO L793 eck$LassoCheckResult]: Loop: 15#L553-4true cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 18#L554true assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 11#L553-1true cstrncpy_#t~pre2#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 9#L553-2true assume !!(0 != cstrncpy_#t~pre2#1 % 18446744073709551616);havoc cstrncpy_#t~pre2#1; 15#L553-4true [2021-11-13 18:19:23,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:23,281 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2021-11-13 18:19:23,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:19:23,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205712771] [2021-11-13 18:19:23,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:23,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:19:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:19:23,444 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:19:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:19:23,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:19:23,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:23,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2021-11-13 18:19:23,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:19:23,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12157504] [2021-11-13 18:19:23,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:23,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:19:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:19:23,562 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:19:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:19:23,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:19:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:23,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2021-11-13 18:19:23,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:19:23,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672454091] [2021-11-13 18:19:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:23,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:19:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:19:23,696 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:19:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:19:23,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:19:25,191 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:19:25,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:19:25,194 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:19:25,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:19:25,194 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:19:25,194 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:25,194 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:19:25,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:19:25,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-1.i_Iteration1_Lasso [2021-11-13 18:19:25,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:19:25,195 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:19:25,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:25,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:26,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:26,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:19:27,180 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:19:27,186 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:19:27,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,200 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 [2021-11-13 18:19:27,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:19:27,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,302 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 [2021-11-13 18:19:27,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:19:27,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,387 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 [2021-11-13 18:19:27,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:19:27,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:19:27,457 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 [2021-11-13 18:19:27,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:19:27,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:19:27,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:19:27,548 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 [2021-11-13 18:19:27,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,647 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,650 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 [2021-11-13 18:19:27,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:19:27,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:19:27,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:19:27,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,711 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:19:27,713 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 [2021-11-13 18:19:27,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,762 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:19:27,766 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 [2021-11-13 18:19:27,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,804 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:19:27,806 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 [2021-11-13 18:19:27,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,852 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:19:27,857 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 [2021-11-13 18:19:27,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,895 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 18:19:27,902 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 [2021-11-13 18:19:27,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:19:27,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:19:27,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:27,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:27,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:27,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:27,978 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:27,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 18:19:27,980 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 [2021-11-13 18:19:27,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:27,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:27,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:27,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:27,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:27,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:27,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:27,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:28,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-13 18:19:28,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:28,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:28,019 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:28,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 18:19:28,021 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 [2021-11-13 18:19:28,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:28,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:28,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:28,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:28,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:28,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:28,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:28,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:28,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-13 18:19:28,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:28,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:28,062 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:28,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 18:19:28,065 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 [2021-11-13 18:19:28,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:28,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:19:28,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:28,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:28,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:28,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:19:28,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:19:28,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:19:28,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:28,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:28,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:28,103 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:28,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 18:19:28,104 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 [2021-11-13 18:19:28,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:19:28,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:19:28,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:19:28,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:19:28,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:19:28,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:19:28,183 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:19:28,354 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-13 18:19:28,354 INFO L444 ModelExtractionUtils]: 39 out of 58 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-11-13 18:19:28,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:19:28,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:19:28,389 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:19:28,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 18:19:28,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:19:28,478 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 18:19:28,479 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:19:28,479 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~d~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1) = -1*ULTIMATE.start_cstrncpy_~d~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1 Supporting invariants [] [2021-11-13 18:19:28,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:28,601 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-11-13 18:19:28,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:28,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:28,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 18:19:28,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:19:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:28,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 18:19:28,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:19:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:28,914 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-13 18:19:28,915 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-11-13 18:19:29,008 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 37 states and 46 transitions. Complement of second has 7 states. [2021-11-13 18:19:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 18:19:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-11-13 18:19:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-11-13 18:19:29,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-13 18:19:29,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:19:29,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-13 18:19:29,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:19:29,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-13 18:19:29,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:19:29,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2021-11-13 18:19:29,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:19:29,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2021-11-13 18:19:29,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:19:29,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:19:29,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:19:29,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:19:29,044 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:19:29,044 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:19:29,045 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:19:29,045 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:19:29,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:19:29,045 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:19:29,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 18:19:29,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:19:29 BoogieIcfgContainer [2021-11-13 18:19:29,061 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:19:29,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:19:29,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:19:29,067 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:19:29,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:19:23" (3/4) ... [2021-11-13 18:19:29,071 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:19:29,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:19:29,075 INFO L158 Benchmark]: Toolchain (without parser) took 7302.49ms. Allocated memory was 92.3MB in the beginning and 151.0MB in the end (delta: 58.7MB). Free memory was 54.2MB in the beginning and 104.8MB in the end (delta: -50.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-11-13 18:19:29,075 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:19:29,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 633.92ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 54.0MB in the beginning and 90.7MB in the end (delta: -36.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:19:29,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.09ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:19:29,078 INFO L158 Benchmark]: Boogie Preprocessor took 50.64ms. Allocated memory is still 119.5MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:19:29,082 INFO L158 Benchmark]: RCFGBuilder took 479.00ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 76.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:19:29,083 INFO L158 Benchmark]: BuchiAutomizer took 6039.48ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 76.7MB in the beginning and 104.8MB in the end (delta: -28.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-13 18:19:29,086 INFO L158 Benchmark]: Witness Printer took 6.77ms. Allocated memory is still 151.0MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:19:29,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 633.92ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 54.0MB in the beginning and 90.7MB in the end (delta: -36.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.09ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.64ms. Allocated memory is still 119.5MB. Free memory was 89.0MB in the beginning and 87.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.00ms. Allocated memory is still 119.5MB. Free memory was 87.5MB in the beginning and 76.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6039.48ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 76.7MB in the beginning and 104.8MB in the end (delta: -28.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 6.77ms. Allocated memory is still 151.0MB. Free memory is still 104.8MB. 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 -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 21 SdHoareTripleChecker+Valid, 26.99ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 21.01ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 18 mSDtfsCounter, 10 mSolverCounterSat, 2.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital227 mio100 ax107 hnf100 lsp90 ukn90 mio100 lsp54 div169 bol100 ite100 ukn100 eq178 hnf70 smp93 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 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! [2021-11-13 18:19:29,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2369a938-6232-42d3-9d6f-60cb64a97f87/bin/uautomizer-YU5uOKAj3y/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