./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0 --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 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:45:42,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:45:42,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:45:42,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:45:42,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:45:42,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:45:42,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:45:42,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:45:42,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:45:42,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:45:42,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:45:42,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:45:42,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:45:42,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:45:42,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:45:42,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:45:42,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:45:42,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:45:42,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:45:42,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:45:42,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:45:42,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:45:42,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:45:42,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:45:42,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:45:42,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:45:42,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:45:42,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:45:42,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:45:42,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:45:42,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:45:42,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:45:42,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:45:42,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:45:42,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:45:42,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:45:42,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:45:42,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:45:42,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:45:42,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:45:42,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:45:42,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-22 14:45:42,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:45:42,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:45:42,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:45:42,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:45:42,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:45:42,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:45:42,302 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:45:42,302 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:45:42,302 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:45:42,302 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:45:42,302 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:45:42,302 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:45:42,303 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:45:42,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:45:42,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:45:42,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:45:42,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:45:42,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:45:42,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:45:42,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:45:42,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:45:42,304 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:45:42,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:45:42,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:45:42,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:45:42,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:45:42,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:45:42,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:45:42,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:45:42,306 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:45:42,306 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_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 [2021-11-22 14:45:42,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:45:42,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:45:42,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:45:42,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:45:42,588 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:45:42,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2021-11-22 14:45:42,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/data/6f32ff94c/a6955924e7414850b278ecf9faf0adf0/FLAG0ab2898c0 [2021-11-22 14:45:43,139 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:45:43,140 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2021-11-22 14:45:43,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/data/6f32ff94c/a6955924e7414850b278ecf9faf0adf0/FLAG0ab2898c0 [2021-11-22 14:45:43,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/data/6f32ff94c/a6955924e7414850b278ecf9faf0adf0 [2021-11-22 14:45:43,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:45:43,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:45:43,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:43,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:45:43,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:45:43,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3466a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43, skipping insertion in model container [2021-11-22 14:45:43,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:45:43,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:45:43,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:43,907 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:45:43,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:43,984 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:45:43,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43 WrapperNode [2021-11-22 14:45:43,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:43,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:43,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:45:43,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:45:43,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,035 INFO L137 Inliner]: procedures = 111, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-22 14:45:44,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:44,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:45:44,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:45:44,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:45:44,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:45:44,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:45:44,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:45:44,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:45:44,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:44,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:44,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:44,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:44,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:45:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:45:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:45:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:45:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:45:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:45:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:45:44,317 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:45:44,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:45:44,469 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:45:44,474 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:45:44,475 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 14:45:44,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:44 BoogieIcfgContainer [2021-11-22 14:45:44,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:45:44,478 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:45:44,478 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:45:44,481 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:45:44,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:45:44,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:45:43" (1/3) ... [2021-11-22 14:45:44,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@759d09b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:45:44, skipping insertion in model container [2021-11-22 14:45:44,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:45:44,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (2/3) ... [2021-11-22 14:45:44,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@759d09b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:45:44, skipping insertion in model container [2021-11-22 14:45:44,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:45:44,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:44" (3/3) ... [2021-11-22 14:45:44,486 INFO L388 chiAutomizerObserver]: Analyzing ICFG c.01_assume-alloca.i [2021-11-22 14:45:44,529 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:45:44,530 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:45:44,530 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:45:44,530 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:45:44,530 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:45:44,530 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:45:44,530 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:45:44,530 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:45:44,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-11-22 14:45:44,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-22 14:45:44,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:45:44,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:45:44,564 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 14:45:44,564 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-22 14:45:44,564 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 14:45:44,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-11-22 14:45:44,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-22 14:45:44,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:45:44,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:45:44,566 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 14:45:44,567 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-22 14:45:44,572 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 6#L553-3true [2021-11-22 14:45:44,572 INFO L793 eck$LassoCheckResult]: Loop: 6#L553-3true call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 9#L553-1true assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 10#L555-5true assume !true; 12#L555-6true call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 6#L553-3true [2021-11-22 14:45:44,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:44,578 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-22 14:45:44,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:44,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775566246] [2021-11-22 14:45:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:44,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:44,734 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:44,809 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:44,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:44,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1144712, now seen corresponding path program 1 times [2021-11-22 14:45:44,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:44,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766246915] [2021-11-22 14:45:44,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:44,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:44,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:45:44,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766246915] [2021-11-22 14:45:44,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766246915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:45:44,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:45:44,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:45:44,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119739207] [2021-11-22 14:45:44,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:45:44,914 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 14:45:44,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:45:44,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 14:45:44,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 14:45:44,955 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:45:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:45:44,963 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-11-22 14:45:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 14:45:44,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-11-22 14:45:44,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-22 14:45:44,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 11 transitions. [2021-11-22 14:45:44,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-22 14:45:44,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-22 14:45:44,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-11-22 14:45:44,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:45:44,980 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-22 14:45:44,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-11-22 14:45:45,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-22 14:45:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 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) [2021-11-22 14:45:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-22 14:45:45,006 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-22 14:45:45,007 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-22 14:45:45,007 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 14:45:45,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-11-22 14:45:45,007 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-22 14:45:45,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:45:45,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:45:45,008 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 14:45:45,009 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-22 14:45:45,009 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 41#L553-3 [2021-11-22 14:45:45,010 INFO L793 eck$LassoCheckResult]: Loop: 41#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 43#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 42#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 44#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 38#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 39#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 41#L553-3 [2021-11-22 14:45:45,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:45,011 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-22 14:45:45,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:45,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828491514] [2021-11-22 14:45:45,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:45,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,067 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,121 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:45,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:45,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1099516500, now seen corresponding path program 1 times [2021-11-22 14:45:45,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:45,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723369297] [2021-11-22 14:45:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:45,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:45,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:45:45,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723369297] [2021-11-22 14:45:45,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723369297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:45:45,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:45:45,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:45:45,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482546196] [2021-11-22 14:45:45,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:45:45,244 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 14:45:45,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:45:45,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:45:45,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:45:45,245 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-11-22 14:45:45,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:45:45,328 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2021-11-22 14:45:45,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 14:45:45,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2021-11-22 14:45:45,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-11-22 14:45:45,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2021-11-22 14:45:45,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-22 14:45:45,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-22 14:45:45,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-11-22 14:45:45,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:45:45,335 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-22 14:45:45,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-11-22 14:45:45,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2021-11-22 14:45:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-11-22 14:45:45,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-22 14:45:45,339 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-22 14:45:45,340 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-22 14:45:45,340 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-22 14:45:45,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-11-22 14:45:45,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-22 14:45:45,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:45:45,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:45:45,342 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 14:45:45,343 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-22 14:45:45,343 INFO L791 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 77#L553-3 [2021-11-22 14:45:45,343 INFO L793 eck$LassoCheckResult]: Loop: 77#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 78#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 80#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 81#L555-1 assume !test_fun_#t~short8#1; 83#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 76#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 77#L553-3 [2021-11-22 14:45:45,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2021-11-22 14:45:45,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:45,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121845011] [2021-11-22 14:45:45,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:45,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,375 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:45,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:45,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1099518422, now seen corresponding path program 1 times [2021-11-22 14:45:45,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:45,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712557747] [2021-11-22 14:45:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:45,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,424 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,453 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:45,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:45,453 INFO L85 PathProgramCache]: Analyzing trace with hash 179567640, now seen corresponding path program 1 times [2021-11-22 14:45:45,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:45,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255667192] [2021-11-22 14:45:45,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:45,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,476 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:45,495 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:46,152 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:45:46,152 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:45:46,153 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:45:46,153 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:45:46,153 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:45:46,153 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:46,153 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:45:46,153 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:45:46,153 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration3_Lasso [2021-11-22 14:45:46,154 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:45:46,154 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:45:46,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:45:46,922 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:45:46,926 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:45:46,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:46,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:46,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:46,932 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 [2021-11-22 14:45:46,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:46,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:46,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:46,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:46,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:46,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:46,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:46,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 14:45:46,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:46,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:46,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:46,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 14:45:47,004 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 [2021-11-22 14:45:47,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,077 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,085 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 [2021-11-22 14:45:47,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 14:45:47,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,165 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 [2021-11-22 14:45:47,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 14:45:47,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:47,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,204 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 14:45:47,206 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 [2021-11-22 14:45:47,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:47,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-22 14:45:47,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 14:45:47,271 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 [2021-11-22 14:45:47,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,307 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 14:45:47,309 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 [2021-11-22 14:45:47,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,401 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 [2021-11-22 14:45:47,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:47,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 14:45:47,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,454 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,461 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 [2021-11-22 14:45:47,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 14:45:47,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,529 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 [2021-11-22 14:45:47,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 14:45:47,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,565 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-22 14:45:47,567 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 [2021-11-22 14:45:47,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:47,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,630 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-22 14:45:47,636 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 [2021-11-22 14:45:47,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,668 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-22 14:45:47,672 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 [2021-11-22 14:45:47,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,701 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-22 14:45:47,703 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 [2021-11-22 14:45:47,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:47,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,781 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,787 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 [2021-11-22 14:45:47,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:45:47,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:45:47,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:45:47,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-22 14:45:47,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,838 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-22 14:45:47,840 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 [2021-11-22 14:45:47,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:47,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-11-22 14:45:47,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,908 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-22 14:45:47,910 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 [2021-11-22 14:45:47,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:47,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:45:47,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:47,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:47,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:47,975 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:47,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-22 14:45:47,982 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 [2021-11-22 14:45:47,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:45:47,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:45:47,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:45:47,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:45:47,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-22 14:45:47,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-22 14:45:48,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:45:48,060 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-22 14:45:48,060 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-11-22 14:45:48,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:45:48,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:48,069 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:48,096 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:45:48,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-22 14:45:48,115 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-22 14:45:48,115 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:45:48,115 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 + 1 Supporting invariants [] [2021-11-22 14:45:48,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:48,214 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-11-22 14:45:48,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:48,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 14:45:48,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:48,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:45:48,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-22 14:45:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:48,531 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 [2021-11-22 14:45:48,532 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:48,612 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 6 states. [2021-11-22 14:45:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 14:45:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-22 14:45:48,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-22 14:45:48,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:48,621 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-22 14:45:48,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:48,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 14:45:48,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:48,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:45:48,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:48,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-22 14:45:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:48,821 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-22 14:45:48,822 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:48,868 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 6 states. [2021-11-22 14:45:48,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 14:45:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-22 14:45:48,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-22 14:45:48,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:48,872 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-22 14:45:48,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:48,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 14:45:48,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:48,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:45:48,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:48,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-22 14:45:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:49,073 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-22 14:45:49,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:49,130 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 6 states. [2021-11-22 14:45:49,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 14:45:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-11-22 14:45:49,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-22 14:45:49,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:49,136 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-22 14:45:49,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:49,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 14:45:49,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:49,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:45:49,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:49,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-22 14:45:49,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-22 14:45:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:49,324 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-22 14:45:49,325 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:49,380 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 6 states. [2021-11-22 14:45:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-22 14:45:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-11-22 14:45:49,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-22 14:45:49,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:49,385 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-22 14:45:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:49,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 14:45:49,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:49,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:45:49,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:45:49,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-22 14:45:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:49,547 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-22 14:45:49,549 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:49,647 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 57 states and 88 transitions. Complement of second has 16 states 6 powerset states10 rank states. The highest rank that occured is 3 [2021-11-22 14:45:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-22 14:45:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-11-22 14:45:49,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-11-22 14:45:49,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-22 14:45:49,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:45:49,653 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-22 14:45:49,654 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 14:45:49,661 INFO L158 Benchmark]: Toolchain (without parser) took 6182.40ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 66.2MB in the beginning and 72.5MB in the end (delta: -6.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-22 14:45:49,661 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:49,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.50ms. Allocated memory is still 107.0MB. Free memory was 66.0MB in the beginning and 76.2MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:45:49,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.31ms. Allocated memory is still 107.0MB. Free memory was 76.2MB in the beginning and 74.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:45:49,664 INFO L158 Benchmark]: Boogie Preprocessor took 54.17ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 73.3MB in the end (delta: 880.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:49,664 INFO L158 Benchmark]: RCFGBuilder took 385.94ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 62.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 14:45:49,672 INFO L158 Benchmark]: BuchiAutomizer took 5177.49ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 72.5MB in the end (delta: -10.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-22 14:45:49,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.50ms. Allocated memory is still 107.0MB. Free memory was 66.0MB in the beginning and 76.2MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.31ms. Allocated memory is still 107.0MB. Free memory was 76.2MB in the beginning and 74.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.17ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 73.3MB in the end (delta: 880.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 385.94ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 62.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5177.49ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 72.5MB in the end (delta: -10.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 14:45:49,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf44810-86c0-45f8-bf6b-bbb8be56531c/bin/uautomizer-w2VwFs6gM0/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient