./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt --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 27b51ff95b1c87aada11269295eff3fc5c30957f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:05:33,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:05:33,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:05:33,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:05:33,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:05:33,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:05:33,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:05:33,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:05:33,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:05:33,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:05:33,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:05:33,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:05:33,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:05:33,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:05:33,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:05:33,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:05:33,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:05:33,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:05:33,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:05:33,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:05:33,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:05:33,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:05:33,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:05:33,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:05:33,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:05:33,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:05:33,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:05:33,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:05:33,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:05:33,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:05:33,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:05:33,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:05:33,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:05:33,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:05:33,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:05:33,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:05:33,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:05:33,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:05:33,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:05:33,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:05:33,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:05:33,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:05:33,356 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:05:33,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:05:33,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:05:33,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:05:33,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:05:33,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:05:33,358 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:05:33,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:05:33,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:05:33,359 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:05:33,359 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:05:33,359 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:05:33,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:05:33,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:05:33,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:05:33,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:05:33,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:05:33,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:05:33,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:05:33,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:05:33,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:05:33,361 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:05:33,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:05:33,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:05:33,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:05:33,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:05:33,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:05:33,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:05:33,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:05:33,364 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:05:33,364 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_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27b51ff95b1c87aada11269295eff3fc5c30957f [2021-10-13 00:05:33,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:05:33,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:05:33,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:05:33,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:05:33,637 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:05:33,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2021-10-13 00:05:33,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/data/967da1adb/2199692f25a049fc9e57cb7851975069/FLAG15fd357fb [2021-10-13 00:05:34,221 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:05:34,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2021-10-13 00:05:34,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/data/967da1adb/2199692f25a049fc9e57cb7851975069/FLAG15fd357fb [2021-10-13 00:05:34,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/data/967da1adb/2199692f25a049fc9e57cb7851975069 [2021-10-13 00:05:34,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:05:34,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:05:34,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:05:34,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:05:34,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:05:34,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:34,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a84c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34, skipping insertion in model container [2021-10-13 00:05:34,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:34,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:05:34,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:05:34,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:05:34,907 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:05:34,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:05:34,970 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:05:34,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34 WrapperNode [2021-10-13 00:05:34,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:05:34,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:05:34,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:05:34,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:05:34,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:34,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:05:35,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:05:35,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:05:35,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:05:35,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:05:35,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:05:35,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:05:35,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:05:35,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (1/1) ... [2021-10-13 00:05:35,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:35,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:35,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:35,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:05:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:05:35,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:05:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:05:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:05:35,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:05:35,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:05:35,350 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:05:35,350 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:05:35,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:05:35 BoogieIcfgContainer [2021-10-13 00:05:35,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:05:35,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:05:35,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:05:35,357 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:05:35,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:05:35,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:05:34" (1/3) ... [2021-10-13 00:05:35,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6edd545e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:05:35, skipping insertion in model container [2021-10-13 00:05:35,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:05:35,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:05:34" (2/3) ... [2021-10-13 00:05:35,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6edd545e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:05:35, skipping insertion in model container [2021-10-13 00:05:35,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:05:35,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:05:35" (3/3) ... [2021-10-13 00:05:35,362 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.12-alloca.i [2021-10-13 00:05:35,435 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:05:35,435 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:05:35,435 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:05:35,435 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:05:35,435 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:05:35,435 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:05:35,436 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:05:35,436 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:05:35,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:05:35,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:05:35,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:05:35,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:05:35,507 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:05:35,507 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:05:35,507 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:05:35,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:05:35,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:05:35,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:05:35,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:05:35,526 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:05:35,526 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:05:35,533 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L559-2true [2021-10-13 00:05:35,533 INFO L793 eck$LassoCheckResult]: Loop: 9#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 12#L555-1true assume test_fun_#t~short7; 6#L555-3true assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 8#L556true assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 9#L559-2true [2021-10-13 00:05:35,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:35,539 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:05:35,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:35,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651356468] [2021-10-13 00:05:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:35,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:35,731 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:35,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2021-10-13 00:05:35,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:35,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313109035] [2021-10-13 00:05:35,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:35,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:35,860 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:35,884 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:35,886 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2021-10-13 00:05:35,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:35,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106026659] [2021-10-13 00:05:35,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:35,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:35,913 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:35,943 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:36,866 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:05:36,867 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:05:36,867 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:05:36,867 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:05:36,867 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:05:36,867 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:36,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:05:36,868 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:05:36,868 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration1_Lasso [2021-10-13 00:05:36,868 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:05:36,868 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:05:36,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:36,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:37,739 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:05:37,743 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:05:37,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:37,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:37,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:37,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:05:37,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:37,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:37,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:37,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:37,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:37,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:37,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:37,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:37,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:37,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:37,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:37,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:37,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:37,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:05:37,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:37,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:37,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:37,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:37,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:37,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:37,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:37,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:37,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:37,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:37,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:37,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:37,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:37,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:37,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:37,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:37,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:37,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:37,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:05:37,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:37,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:37,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:37,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-13 00:05:37,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:37,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:37,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:37,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:05:37,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:37,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:37,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:37,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:37,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:37,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:37,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:37,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:37,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:37,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:37,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:37,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:37,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:37,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:05:37,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:37,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:37,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:37,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:37,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:37,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:37,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:37,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-13 00:05:38,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:05:38,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,074 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:05:38,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,152 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:05:38,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:38,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:38,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-13 00:05:38,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,184 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:05:38,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:38,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:38,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 00:05:38,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,236 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:05:38,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:38,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:38,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-13 00:05:38,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,278 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:05:38,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:38,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:38,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-13 00:05:38,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,350 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:05:38,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,419 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:38,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:38,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:05:38,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,478 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:05:38,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:38,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:38,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,550 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:05:38,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,615 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:05:38,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,673 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:05:38,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:38,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:38,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:38,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,720 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:05:38,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-13 00:05:38,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,763 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:05:38,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,823 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:05:38,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,899 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:38,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:05:38,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:38,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:38,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:38,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:38,974 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:38,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:05:38,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:38,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:38,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:38,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:38,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:38,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:38,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:39,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:39,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-13 00:05:39,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:39,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:39,039 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:39,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:05:39,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:39,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:39,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:39,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:39,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:39,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:39,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:39,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:39,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:39,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:39,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:39,085 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:39,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:05:39,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:39,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:39,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:39,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:39,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:39,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:39,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:39,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:39,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:39,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:39,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:39,117 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:39,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:05:39,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:39,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:39,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:39,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:39,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:39,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:39,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:39,157 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:05:39,201 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 00:05:39,201 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 00:05:39,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:39,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:39,214 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:39,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:05:39,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:05:39,314 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:05:39,315 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:05:39,315 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-10-13 00:05:39,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:39,422 INFO L297 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2021-10-13 00:05:39,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:05:39,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:05:39,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:05:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:05:39,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:05:39,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:05:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:05:39,612 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:05:39,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-10-13 00:05:39,703 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) Result 50 states and 67 transitions. Complement of second has 9 states. [2021-10-13 00:05:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:05:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-10-13 00:05:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2021-10-13 00:05:39,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-13 00:05:39,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:05:39,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:05:39,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:05:39,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 8 letters. [2021-10-13 00:05:39,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:05:39,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2021-10-13 00:05:39,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-13 00:05:39,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 39 transitions. [2021-10-13 00:05:39,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-13 00:05:39,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-13 00:05:39,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 39 transitions. [2021-10-13 00:05:39,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:05:39,754 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2021-10-13 00:05:39,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:39,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 39 transitions. [2021-10-13 00:05:39,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-10-13 00:05:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:05:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 37 transitions. [2021-10-13 00:05:39,781 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-10-13 00:05:39,781 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-10-13 00:05:39,781 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:05:39,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 37 transitions. [2021-10-13 00:05:39,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-13 00:05:39,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:05:39,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:05:39,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:05:39,784 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:05:39,784 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 203#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 201#L555-1 [2021-10-13 00:05:39,784 INFO L793 eck$LassoCheckResult]: Loop: 201#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 204#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 206#L556 assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 194#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 201#L555-1 [2021-10-13 00:05:39,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:39,785 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-13 00:05:39,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:39,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652479727] [2021-10-13 00:05:39,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:39,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:39,806 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:39,825 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:39,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:39,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1298969, now seen corresponding path program 1 times [2021-10-13 00:05:39,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:39,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760782627] [2021-10-13 00:05:39,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:39,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:39,835 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:39,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:39,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:39,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1806908732, now seen corresponding path program 1 times [2021-10-13 00:05:39,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:39,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089567069] [2021-10-13 00:05:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:39,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:05:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:05:39,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:05:39,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089567069] [2021-10-13 00:05:39,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089567069] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:05:39,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:05:39,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:05:39,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226224048] [2021-10-13 00:05:40,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:05:40,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:05:40,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:05:40,166 INFO L87 Difference]: Start difference. First operand 24 states and 37 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:05:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:05:40,213 INFO L93 Difference]: Finished difference Result 38 states and 55 transitions. [2021-10-13 00:05:40,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:05:40,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2021-10-13 00:05:40,215 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-13 00:05:40,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 28 states and 39 transitions. [2021-10-13 00:05:40,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:05:40,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 00:05:40,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2021-10-13 00:05:40,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:05:40,217 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2021-10-13 00:05:40,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2021-10-13 00:05:40,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 14. [2021-10-13 00:05:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:05:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-10-13 00:05:40,220 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-10-13 00:05:40,220 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-10-13 00:05:40,220 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:05:40,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-10-13 00:05:40,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:05:40,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:05:40,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:05:40,222 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:05:40,222 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 00:05:40,222 INFO L791 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 262#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 274#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 272#L555-1 [2021-10-13 00:05:40,222 INFO L793 eck$LassoCheckResult]: Loop: 272#L555-1 assume test_fun_#t~short7; 263#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 264#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 267#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 268#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 272#L555-1 [2021-10-13 00:05:40,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:40,223 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-10-13 00:05:40,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:40,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582044015] [2021-10-13 00:05:40,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:40,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,238 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,252 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:40,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:40,253 INFO L82 PathProgramCache]: Analyzing trace with hash 38423515, now seen corresponding path program 1 times [2021-10-13 00:05:40,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:40,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607316253] [2021-10-13 00:05:40,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:40,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,265 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:40,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:40,274 INFO L82 PathProgramCache]: Analyzing trace with hash 177751320, now seen corresponding path program 1 times [2021-10-13 00:05:40,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:40,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204237112] [2021-10-13 00:05:40,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:40,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:05:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:05:40,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:05:40,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204237112] [2021-10-13 00:05:40,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204237112] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:05:40,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:05:40,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:05:40,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172858354] [2021-10-13 00:05:40,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:05:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:05:40,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:05:40,445 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-13 00:05:40,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:05:40,472 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-10-13 00:05:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:05:40,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-10-13 00:05:40,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:05:40,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2021-10-13 00:05:40,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-13 00:05:40,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 00:05:40,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-10-13 00:05:40,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:05:40,475 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-13 00:05:40,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-10-13 00:05:40,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-13 00:05:40,476 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) [2021-10-13 00:05:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-10-13 00:05:40,476 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-13 00:05:40,477 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-13 00:05:40,477 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:05:40,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-10-13 00:05:40,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:05:40,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:05:40,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:05:40,478 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:05:40,478 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 00:05:40,478 INFO L791 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 302#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 312#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 310#L555-1 [2021-10-13 00:05:40,479 INFO L793 eck$LassoCheckResult]: Loop: 310#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 303#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 304#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 307#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 308#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 310#L555-1 [2021-10-13 00:05:40,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:40,479 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-10-13 00:05:40,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:40,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469592527] [2021-10-13 00:05:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:40,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,492 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:40,505 INFO L82 PathProgramCache]: Analyzing trace with hash 40270557, now seen corresponding path program 1 times [2021-10-13 00:05:40,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:40,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571574715] [2021-10-13 00:05:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:40,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,513 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:40,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:40,525 INFO L82 PathProgramCache]: Analyzing trace with hash 179598362, now seen corresponding path program 1 times [2021-10-13 00:05:40,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:40,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826559005] [2021-10-13 00:05:40,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:40,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,547 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:40,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:41,502 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:05:41,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:05:41,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:05:41,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:05:41,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:05:41,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:41,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:05:41,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:05:41,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration4_Lasso [2021-10-13 00:05:41,503 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:05:41,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:05:41,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:41,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:41,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:05:42,737 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:05:42,737 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:05:42,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:42,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:42,739 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:42,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:05:42,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:42,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:42,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:42,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:42,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:42,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:42,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:42,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:42,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:42,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:42,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:42,809 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:42,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:05:42,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:42,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:42,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:05:42,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:42,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:42,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:42,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:05:42,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:05:42,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:42,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:42,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:42,840 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:42,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:05:42,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:42,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:42,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:42,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:42,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:42,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:42,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:42,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:42,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:42,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:42,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:42,929 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:42,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:42,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:42,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:42,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:42,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:42,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:42,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:05:42,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:42,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:42,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:42,995 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:42,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:05:42,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:43,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:43,005 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-13 00:05:43,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:43,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:43,011 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-13 00:05:43,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:43,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:43,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:43,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:43,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:43,081 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:43,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:05:43,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:43,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:43,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:43,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:43,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:43,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:43,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:43,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:43,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:43,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:43,141 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:43,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:43,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:43,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:43,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:43,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:43,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:43,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:43,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:05:43,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:43,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-13 00:05:43,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:43,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:43,192 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:43,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:05:43,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:43,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:43,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:43,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:43,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:43,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:43,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:43,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:43,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:43,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:43,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:43,262 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:43,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:43,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:05:43,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:43,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:43,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:43,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:43,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:43,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:43,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:05:43,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-13 00:05:43,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:43,323 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:43,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:05:43,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:05:43,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:05:43,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:05:43,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:05:43,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:05:43,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:05:43,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:05:43,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:05:43,353 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 00:05:43,353 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 00:05:43,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:05:43,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:05:43,354 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:05:43,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:05:43,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:05:43,363 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:05:43,363 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:05:43,364 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2021-10-13 00:05:43,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 00:05:43,448 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-10-13 00:05:43,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:05:43,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:05:43,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:05:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:05:43,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:05:43,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:05:43,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-10-13 00:05:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:05:43,626 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-13 00:05:43,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-13 00:05:43,670 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 31 states and 38 transitions. Complement of second has 8 states. [2021-10-13 00:05:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:05:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-13 00:05:43,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-13 00:05:43,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 5 letters. [2021-10-13 00:05:43,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:05:43,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2021-10-13 00:05:43,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:05:43,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 10 letters. [2021-10-13 00:05:43,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:05:43,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2021-10-13 00:05:43,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:05:43,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2021-10-13 00:05:43,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-13 00:05:43,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-13 00:05:43,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-10-13 00:05:43,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:05:43,683 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-13 00:05:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-10-13 00:05:43,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-10-13 00:05:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:05:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-13 00:05:43,688 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-13 00:05:43,688 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-13 00:05:43,688 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:05:43,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-10-13 00:05:43,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:05:43,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:05:43,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:05:43,689 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:05:43,689 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 00:05:43,690 INFO L791 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 477#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 491#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 497#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 478#L555-3 [2021-10-13 00:05:43,690 INFO L793 eck$LassoCheckResult]: Loop: 478#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 479#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 482#L559 assume !(test_fun_#t~mem10 > 0);havoc test_fun_#t~mem10; 483#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 489#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 478#L555-3 [2021-10-13 00:05:43,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:43,690 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-13 00:05:43,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:43,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573401515] [2021-10-13 00:05:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:43,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:43,701 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:43,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:43,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:43,712 INFO L82 PathProgramCache]: Analyzing trace with hash 45964859, now seen corresponding path program 1 times [2021-10-13 00:05:43,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:43,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447009323] [2021-10-13 00:05:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:43,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:43,740 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:05:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:05:43,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:05:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:05:43,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1272583860, now seen corresponding path program 1 times [2021-10-13 00:05:43,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:05:43,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712547188] [2021-10-13 00:05:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:05:43,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:05:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:05:43,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 00:05:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:05:43,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:05:43,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712547188] [2021-10-13 00:05:43,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712547188] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:05:43,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:05:43,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:05:43,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736919813] [2021-10-13 00:05:43,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:05:43,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:05:43,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:05:43,915 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:05:43,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:05:43,938 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-10-13 00:05:43,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:05:43,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-10-13 00:05:43,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:05:43,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-13 00:05:43,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:05:43,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:05:43,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:05:43,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:05:43,940 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:05:43,941 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:05:43,941 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:05:43,941 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:05:43,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:05:43,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:05:43,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:05:43,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:05:43 BoogieIcfgContainer [2021-10-13 00:05:43,946 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:05:43,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:05:43,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:05:43,947 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:05:43,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:05:35" (3/4) ... [2021-10-13 00:05:43,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:05:43,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:05:43,952 INFO L168 Benchmark]: Toolchain (without parser) took 9384.24 ms. Allocated memory was 92.3 MB in the beginning and 148.9 MB in the end (delta: 56.6 MB). Free memory was 56.6 MB in the beginning and 101.8 MB in the end (delta: -45.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:43,952 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory was 62.5 MB in the beginning and 62.5 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:05:43,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.32 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 56.5 MB in the beginning and 92.3 MB in the end (delta: -35.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:43,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.07 ms. Allocated memory is still 121.6 MB. Free memory was 91.9 MB in the beginning and 90.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:05:43,954 INFO L168 Benchmark]: Boogie Preprocessor took 23.05 ms. Allocated memory is still 121.6 MB. Free memory was 90.4 MB in the beginning and 89.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:43,954 INFO L168 Benchmark]: RCFGBuilder took 315.90 ms. Allocated memory is still 121.6 MB. Free memory was 89.0 MB in the beginning and 78.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:43,954 INFO L168 Benchmark]: BuchiAutomizer took 8593.06 ms. Allocated memory was 121.6 MB in the beginning and 148.9 MB in the end (delta: 27.3 MB). Free memory was 78.2 MB in the beginning and 101.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:05:43,955 INFO L168 Benchmark]: Witness Printer took 3.95 ms. Allocated memory is still 148.9 MB. Free memory is still 101.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:05:43,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory was 62.5 MB in the beginning and 62.5 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.32 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 56.5 MB in the beginning and 92.3 MB in the end (delta: -35.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.07 ms. Allocated memory is still 121.6 MB. Free memory was 91.9 MB in the beginning and 90.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.05 ms. Allocated memory is still 121.6 MB. Free memory was 90.4 MB in the beginning and 89.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 315.90 ms. Allocated memory is still 121.6 MB. Free memory was 89.0 MB in the beginning and 78.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8593.06 ms. Allocated memory was 121.6 MB in the beginning and 148.9 MB in the end (delta: 27.3 MB). Free memory was 78.2 MB in the beginning and 101.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.95 ms. Allocated memory is still 148.9 MB. Free memory is still 101.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 7.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 21.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 52 SDslu, 34 SDs, 0 SdLazy, 110 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 120.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital257 mio100 ax107 hnf100 lsp91 ukn81 mio100 lsp29 div100 bol100 ite100 ukn100 eq176 hnf89 smp91 dnf132 smp80 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 6 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:05:43,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c206337-7268-4fb4-8a77-55999c1160a9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...