./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg --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 4b46132106c9582d9b36bde1be1a9d4d3fc071854166953d5e72a8b88085e0ad ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:23:41,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:23:41,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:23:41,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:23:41,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:23:41,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:23:41,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:23:41,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:23:41,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:23:41,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:23:41,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:23:41,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:23:41,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:23:41,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:23:41,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:23:41,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:23:41,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:23:41,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:23:41,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:23:41,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:23:41,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:23:41,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:23:41,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:23:41,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:23:41,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:23:41,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:23:41,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:23:41,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:23:41,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:23:41,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:23:41,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:23:41,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:23:41,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:23:41,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:23:41,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:23:41,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:23:41,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:23:41,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:23:41,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:23:41,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:23:41,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:23:41,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:23:41,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:23:41,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:23:41,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:23:41,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:23:41,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:23:41,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:23:41,259 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:23:41,260 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:23:41,260 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:23:41,260 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:23:41,260 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:23:41,261 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:23:41,261 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:23:41,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:23:41,261 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:23:41,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:23:41,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:23:41,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:23:41,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:23:41,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:23:41,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:23:41,263 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:23:41,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:23:41,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:23:41,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:23:41,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:23:41,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:23:41,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:23:41,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:23:41,265 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:23:41,266 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_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b46132106c9582d9b36bde1be1a9d4d3fc071854166953d5e72a8b88085e0ad [2021-10-28 09:23:41,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:23:41,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:23:41,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:23:41,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:23:41,635 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:23:41,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2021-10-28 09:23:41,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/data/08f0a57a7/9ed0e7ed97434e3980bc14e103ba4ded/FLAG0422f7b50 [2021-10-28 09:23:42,369 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:23:42,373 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2021-10-28 09:23:42,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/data/08f0a57a7/9ed0e7ed97434e3980bc14e103ba4ded/FLAG0422f7b50 [2021-10-28 09:23:42,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/data/08f0a57a7/9ed0e7ed97434e3980bc14e103ba4ded [2021-10-28 09:23:42,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:23:42,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:23:42,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:42,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:23:42,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:23:42,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:42" (1/1) ... [2021-10-28 09:23:42,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26402435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:42, skipping insertion in model container [2021-10-28 09:23:42,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:42" (1/1) ... [2021-10-28 09:23:42,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:23:42,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:23:42,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:43,001 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:23:43,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:43,065 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:23:43,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43 WrapperNode [2021-10-28 09:23:43,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:43,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:43,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:23:43,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:23:43,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:43,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:23:43,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:23:43,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:23:43,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:23:43,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:23:43,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:23:43,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:23:43,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (1/1) ... [2021-10-28 09:23:43,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:43,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:43,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:43,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:23:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:23:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:23:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:23:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:23:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:23:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:23:43,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:23:43,505 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:23:43,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:43 BoogieIcfgContainer [2021-10-28 09:23:43,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:23:43,509 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:23:43,510 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:23:43,514 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:23:43,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:43,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:23:42" (1/3) ... [2021-10-28 09:23:43,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f26c2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:23:43, skipping insertion in model container [2021-10-28 09:23:43,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:43,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:43" (2/3) ... [2021-10-28 09:23:43,518 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f26c2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:23:43, skipping insertion in model container [2021-10-28 09:23:43,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:43,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:43" (3/3) ... [2021-10-28 09:23:43,520 INFO L389 chiAutomizerObserver]: Analyzing ICFG easySum-alloca.i [2021-10-28 09:23:43,623 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:23:43,623 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:23:43,624 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:23:43,624 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:23:43,624 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:23:43,624 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:23:43,624 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:23:43,625 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:23:43,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-10-28 09:23:43,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:23:43,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:23:43,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:23:43,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:23:43,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:23:43,691 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:23:43,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-10-28 09:23:43,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:23:43,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:23:43,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:23:43,693 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:23:43,693 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:23:43,702 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~ret13;iterate_#in~bound := main_#t~nondet12;havoc iterate_#res;havoc iterate_#t~malloc2.base, iterate_#t~malloc2.offset, iterate_#t~malloc3.base, iterate_#t~malloc3.offset, iterate_#t~malloc4.base, iterate_#t~malloc4.offset, iterate_#t~mem9, iterate_#t~mem10, iterate_#t~mem5, iterate_#t~post6, iterate_#t~mem7, iterate_#t~mem8, iterate_#t~mem11, iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, iterate_~i~0.base, iterate_~i~0.offset, iterate_~sum~0.base, iterate_~sum~0.offset;iterate_~bound := iterate_#in~bound;call iterate_#t~malloc2.base, iterate_#t~malloc2.offset := #Ultimate.allocOnStack(4);iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset := iterate_#t~malloc2.base, iterate_#t~malloc2.offset;call iterate_#t~malloc3.base, iterate_#t~malloc3.offset := #Ultimate.allocOnStack(4);iterate_~i~0.base, iterate_~i~0.offset := iterate_#t~malloc3.base, iterate_#t~malloc3.offset;call iterate_#t~malloc4.base, iterate_#t~malloc4.offset := #Ultimate.allocOnStack(4);iterate_~sum~0.base, iterate_~sum~0.offset := iterate_#t~malloc4.base, iterate_#t~malloc4.offset;call write~int(iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4);call write~int(0, iterate_~sum~0.base, iterate_~sum~0.offset, 4);call write~int(0, iterate_~i~0.base, iterate_~i~0.offset, 4); 10#L554-4true [2021-10-28 09:23:43,703 INFO L793 eck$LassoCheckResult]: Loop: 10#L554-4true call iterate_#t~mem7 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);call iterate_#t~mem8 := read~int(iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4); 8#L554-1true assume !!(iterate_#t~mem7 < iterate_#t~mem8);havoc iterate_#t~mem7;havoc iterate_#t~mem8;call iterate_#t~mem9 := read~int(iterate_~sum~0.base, iterate_~sum~0.offset, 4);call iterate_#t~mem10 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);call write~int(iterate_#t~mem9 + iterate_#t~mem10, iterate_~sum~0.base, iterate_~sum~0.offset, 4);havoc iterate_#t~mem9;havoc iterate_#t~mem10; 6#L554-3true call iterate_#t~mem5 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);iterate_#t~post6 := iterate_#t~mem5;call write~int(1 + iterate_#t~post6, iterate_~i~0.base, iterate_~i~0.offset, 4);havoc iterate_#t~mem5;havoc iterate_#t~post6; 10#L554-4true [2021-10-28 09:23:43,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:23:43,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:43,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398938760] [2021-10-28 09:23:43,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:43,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:43,895 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:43,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:43,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:43,978 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2021-10-28 09:23:43,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:43,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808435590] [2021-10-28 09:23:43,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:43,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:44,009 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:44,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:44,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:44,056 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2021-10-28 09:23:44,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:44,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66320722] [2021-10-28 09:23:44,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:44,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:44,113 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:44,181 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:45,172 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:23:45,172 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:23:45,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:23:45,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:23:45,173 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:23:45,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:45,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:23:45,173 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:23:45,174 INFO L133 ssoRankerPreferences]: Filename of dumped script: easySum-alloca.i_Iteration1_Lasso [2021-10-28 09:23:45,174 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:23:45,174 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:23:45,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:45,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:46,131 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:23:46,136 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:23:46,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:23:46,161 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 [2021-10-28 09:23:46,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:46,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:46,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:46,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:23:46,220 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 [2021-10-28 09:23:46,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:46,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:46,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:46,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 09:23:46,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,263 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 [2021-10-28 09:23:46,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:23:46,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:46,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:46,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:46,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:23:46,319 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 [2021-10-28 09:23:46,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 09:23:46,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,394 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,395 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 [2021-10-28 09:23:46,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:23:46,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:46,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:46,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:46,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:23:46,430 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 [2021-10-28 09:23:46,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,485 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:23:46,487 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 [2021-10-28 09:23:46,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,526 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:23:46,528 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 [2021-10-28 09:23:46,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,575 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:23:46,577 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 [2021-10-28 09:23:46,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:46,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:46,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:46,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,624 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:23:46,628 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 [2021-10-28 09:23:46,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,695 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:23:46,699 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 [2021-10-28 09:23:46,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:46,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:46,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:46,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,734 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:23:46,735 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 [2021-10-28 09:23:46,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,790 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:23:46,792 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 [2021-10-28 09:23:46,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:46,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:46,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:46,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 09:23:46,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,835 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:23:46,839 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 [2021-10-28 09:23:46,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:46,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:46,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:46,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:46,911 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:46,917 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 [2021-10-28 09:23:46,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:46,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:46,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:46,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:46,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:23:46,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:23:46,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:23:46,962 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:23:47,019 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-28 09:23:47,019 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-28 09:23:47,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:47,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:47,024 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:47,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:23:47,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:23:47,119 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 09:23:47,119 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:23:47,120 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1, ULTIMATE.start_iterate_~bound) = -1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1 + 1*ULTIMATE.start_iterate_~bound Supporting invariants [1*ULTIMATE.start_iterate_~bound - 1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0.base) ULTIMATE.start_iterate_~bound_ref~0.offset)_1 >= 0] [2021-10-28 09:23:47,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:47,315 INFO L297 tatePredicateManager]: 21 out of 25 supporting invariants were superfluous and have been removed [2021-10-28 09:23:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:47,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:23:47,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:23:47,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:47,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:23:47,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:23:47,607 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 09:23:47,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 35 [2021-10-28 09:23:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:23:47,668 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:23:47,670 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-10-28 09:23:47,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 19 states and 21 transitions. Complement of second has 10 states. [2021-10-28 09:23:47,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:23:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-10-28 09:23:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2021-10-28 09:23:47,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-28 09:23:47,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:23:47,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-28 09:23:47,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:23:47,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-28 09:23:47,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:23:47,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2021-10-28 09:23:47,770 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:23:47,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-10-28 09:23:47,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:23:47,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:23:47,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:23:47,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:23:47,774 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:23:47,774 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:23:47,774 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:23:47,775 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:23:47,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:23:47,775 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:23:47,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:23:47,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:23:47 BoogieIcfgContainer [2021-10-28 09:23:47,781 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:23:47,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:23:47,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:23:47,782 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:23:47,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:43" (3/4) ... [2021-10-28 09:23:47,785 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:23:47,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:23:47,788 INFO L168 Benchmark]: Toolchain (without parser) took 5150.57 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 53.1 MB in the beginning and 73.9 MB in the end (delta: -20.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:47,792 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 70.7 MB in the beginning and 70.7 MB in the end (delta: 58.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:23:47,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.15 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 52.9 MB in the beginning and 90.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:47,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.93 ms. Allocated memory is still 121.6 MB. Free memory was 90.6 MB in the beginning and 89.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:23:47,795 INFO L168 Benchmark]: Boogie Preprocessor took 24.09 ms. Allocated memory is still 121.6 MB. Free memory was 89.0 MB in the beginning and 87.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:47,795 INFO L168 Benchmark]: RCFGBuilder took 374.60 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 77.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:47,798 INFO L168 Benchmark]: BuchiAutomizer took 4271.99 ms. Allocated memory is still 121.6 MB. Free memory was 77.2 MB in the beginning and 74.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:47,799 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 121.6 MB. Free memory was 74.8 MB in the beginning and 73.9 MB in the end (delta: 851.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:47,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 70.7 MB in the beginning and 70.7 MB in the end (delta: 58.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.15 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 52.9 MB in the beginning and 90.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.93 ms. Allocated memory is still 121.6 MB. Free memory was 90.6 MB in the beginning and 89.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.09 ms. Allocated memory is still 121.6 MB. Free memory was 89.0 MB in the beginning and 87.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 374.60 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 77.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4271.99 ms. Allocated memory is still 121.6 MB. Free memory was 77.2 MB in the beginning and 74.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.78 ms. Allocated memory is still 121.6 MB. Free memory was 74.8 MB in the beginning and 73.9 MB in the end (delta: 851.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 bound + -1 * unknown-#memory_int-unknown[i][i] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital313 mio100 ax105 hnf100 lsp90 ukn58 mio100 lsp41 div100 bol100 ite100 ukn100 eq166 hnf89 smp88 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms 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! [2021-10-28 09:23:47,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a26bf0-97a2-4ca1-9137-a0e415e303b5/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...