./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.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_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/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_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/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_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/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 86041c6ad59cce2f98747ca89872b3c90a73ab21 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:40:50,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:40:50,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:40:50,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:40:50,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:40:50,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:40:50,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:40:50,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:40:50,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:40:50,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:40:50,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:40:50,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:40:50,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:40:50,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:40:50,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:40:50,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:40:50,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:40:50,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:40:50,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:40:50,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:40:50,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:40:50,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:40:50,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:40:50,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:40:50,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:40:50,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:40:50,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:40:50,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:40:50,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:40:50,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:40:50,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:40:50,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:40:50,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:40:50,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:40:50,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:40:50,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:40:50,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:40:50,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:40:50,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:40:50,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:40:50,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:40:50,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:40:50,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:40:50,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:40:50,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:40:50,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:40:50,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:40:50,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:40:50,587 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:40:50,587 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:40:50,587 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:40:50,588 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:40:50,589 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:40:50,590 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:40:50,590 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:40:50,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:40:50,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:40:50,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:40:50,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:40:50,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:40:50,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:40:50,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:40:50,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:40:50,592 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:40:50,593 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:40:50,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:40:50,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:40:50,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:40:50,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:40:50,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:40:50,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:40:50,596 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:40:50,597 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_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86041c6ad59cce2f98747ca89872b3c90a73ab21 [2021-10-13 00:40:50,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:40:50,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:40:50,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:40:50,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:40:50,980 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:40:50,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2021-10-13 00:40:51,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/data/99ae2450b/1f99dfa7ddbf4d43a09d6eacd71c2372/FLAGd0cf674c0 [2021-10-13 00:40:51,628 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:40:51,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2021-10-13 00:40:51,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/data/99ae2450b/1f99dfa7ddbf4d43a09d6eacd71c2372/FLAGd0cf674c0 [2021-10-13 00:40:51,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/data/99ae2450b/1f99dfa7ddbf4d43a09d6eacd71c2372 [2021-10-13 00:40:51,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:40:51,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:40:51,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:51,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:40:51,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:40:51,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:51" (1/1) ... [2021-10-13 00:40:51,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d9d065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:51, skipping insertion in model container [2021-10-13 00:40:51,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:51" (1/1) ... [2021-10-13 00:40:51,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:40:51,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:40:52,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:52,376 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:40:52,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:52,501 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:40:52,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52 WrapperNode [2021-10-13 00:40:52,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:52,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:52,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:40:52,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:40:52,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:52,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:40:52,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:40:52,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:40:52,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:40:52,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:40:52,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:40:52,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:40:52,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (1/1) ... [2021-10-13 00:40:52,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:52,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:52,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:52,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:40:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:40:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:40:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:40:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:40:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:40:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:40:52,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:40:52,998 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:40:53,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:53 BoogieIcfgContainer [2021-10-13 00:40:53,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:40:53,002 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:40:53,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:40:53,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:40:53,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:53,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:40:51" (1/3) ... [2021-10-13 00:40:53,011 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30db5ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:40:53, skipping insertion in model container [2021-10-13 00:40:53,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:53,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:52" (2/3) ... [2021-10-13 00:40:53,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30db5ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:40:53, skipping insertion in model container [2021-10-13 00:40:53,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:53,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:53" (3/3) ... [2021-10-13 00:40:53,014 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-1.i [2021-10-13 00:40:53,082 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:40:53,083 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:40:53,083 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:40:53,083 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:40:53,083 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:40:53,084 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:40:53,084 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:40:53,084 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:40:53,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 00:40:53,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:40:53,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:53,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:53,151 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:40:53,152 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:53,152 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:40:53,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 00:40:53,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:40:53,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:40:53,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:40:53,161 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:40:53,161 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:40:53,168 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~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 12#L557true assume !(main_~length1~0 < 1); 7#L557-2true assume !(main_~length2~0 < 1); 6#L560-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~to.base, cstrcpy_#in~to.offset, cstrcpy_#in~from.base, cstrcpy_#in~from.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset, cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset, cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, cstrcpy_~from.base, cstrcpy_~from.offset, cstrcpy_~save~0.base, cstrcpy_~save~0.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_#in~to.base, cstrcpy_#in~to.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_#in~from.base, cstrcpy_#in~from.offset;cstrcpy_~save~0.base, cstrcpy_~save~0.offset := cstrcpy_~to.base, cstrcpy_~to.offset; 13#L551-4true [2021-10-13 00:40:53,169 INFO L793 eck$LassoCheckResult]: Loop: 13#L551-4true call cstrcpy_#t~mem4 := read~int(cstrcpy_~from.base, cstrcpy_~from.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_~to.base, cstrcpy_~to.offset, 1); 8#L551-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~mem4; 9#L551-3true cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;cstrcpy_~from.base, cstrcpy_~from.offset := cstrcpy_~from.base, 1 + cstrcpy_~from.offset;havoc cstrcpy_#t~pre2.base, cstrcpy_#t~pre2.offset;cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;cstrcpy_~to.base, cstrcpy_~to.offset := cstrcpy_~to.base, 1 + cstrcpy_~to.offset;havoc cstrcpy_#t~pre3.base, cstrcpy_#t~pre3.offset; 13#L551-4true [2021-10-13 00:40:53,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:53,175 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-10-13 00:40:53,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:53,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836031610] [2021-10-13 00:40:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:53,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,354 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,429 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:53,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:53,433 INFO L82 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2021-10-13 00:40:53,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:53,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416007961] [2021-10-13 00:40:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:53,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,457 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:53,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:53,472 INFO L82 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2021-10-13 00:40:53,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:40:53,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050703449] [2021-10-13 00:40:53,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:40:53,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:40:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,517 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:40:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:40:53,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:40:54,489 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:40:54,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:40:54,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:40:54,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:40:54,490 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:40:54,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:54,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:40:54,491 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:40:54,491 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-1.i_Iteration1_Lasso [2021-10-13 00:40:54,491 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:40:54,491 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:40:54,526 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 00:40:54,534 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 00:40:54,537 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 00:40:54,540 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 00:40:54,542 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 00:40:54,545 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 00:40:54,549 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 00:40:54,553 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 00:40:54,556 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 00:40:54,560 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 00:40:54,563 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 00:40:54,565 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 00:40:54,567 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 00:40:54,570 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 00:40:54,573 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 00:40:54,577 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 00:40:55,068 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 00:40:55,070 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 00:40:55,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:40:55,564 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:40:55,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:55,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:55,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:55,581 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 00:40:55,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:40:55,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:55,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:55,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:55,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:55,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:55,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:55,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:55,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:55,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 00:40:55,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:55,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:55,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:55,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:40:55,666 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 00:40:55,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:55,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:55,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:55,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:55,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:55,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:55,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:55,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:55,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:55,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:55,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:55,740 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 00:40:55,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:55,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:55,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:55,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:55,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:55,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:55,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:55,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:40:55,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:55,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:55,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:55,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:55,813 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 00:40:55,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:55,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:55,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:55,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:55,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:55,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:55,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:55,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:40:55,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:55,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:55,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:55,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:55,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:55,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:40:55,896 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 00:40:55,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:55,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:55,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:55,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:55,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:55,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:55,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:55,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:55,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:55,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:55,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:55,939 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:55,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:40:55,946 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 00:40:55,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:55,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:55,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:55,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:55,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:55,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:55,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:55,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:55,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:55,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,000 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:40:56,002 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 00:40:56,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:56,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:56,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-13 00:40:56,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,043 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:40:56,045 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 00:40:56,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:56,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:56,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:56,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,082 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:40:56,084 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 00:40:56,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:56,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:56,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:56,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:40:56,119 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 00:40:56,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:56,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:56,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,161 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:40:56,162 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 00:40:56,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:56,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:56,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:56,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,201 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:40:56,207 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 00:40:56,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:56,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:56,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:56,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-13 00:40:56,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,251 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:40:56,252 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 00:40:56,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:56,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:56,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,292 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:40:56,294 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 00:40:56,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:56,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:56,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:56,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,326 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:40:56,328 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 00:40:56,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:56,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:56,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-13 00:40:56,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,391 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:40:56,392 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 00:40:56,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:40:56,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:40:56,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:40:56,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:40:56,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,431 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:40:56,432 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 00:40:56,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:40:56,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:40:56,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:40:56,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:40:56,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:40:56,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:40:56,484 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:40:56,585 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-13 00:40:56,585 INFO L444 ModelExtractionUtils]: 13 out of 49 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-10-13 00:40:56,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:56,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:56,612 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:56,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:40:56,665 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:40:56,687 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:40:56,688 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:40:56,688 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstrcpy_~from.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstrcpy_~from.offset Supporting invariants [] [2021-10-13 00:40:56,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:56,796 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2021-10-13 00:40:56,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:40:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:56,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-13 00:40:56,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:40:56,917 WARN L261 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 00:40:56,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:40:57,012 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 00:40:57,031 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:40:57,033 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 00:40:57,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 26 states and 30 transitions. Complement of second has 6 states. [2021-10-13 00:40:57,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:40:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 00:40:57,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-10-13 00:40:57,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-13 00:40:57,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:57,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-13 00:40:57,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:57,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-13 00:40:57,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:40:57,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2021-10-13 00:40:57,120 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:40:57,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-10-13 00:40:57,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:40:57,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:40:57,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:40:57,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:40:57,126 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:57,126 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:57,126 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:40:57,127 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:40:57,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:40:57,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:40:57,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:40:57,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:40:57 BoogieIcfgContainer [2021-10-13 00:40:57,134 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:40:57,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:40:57,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:40:57,135 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:40:57,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:53" (3/4) ... [2021-10-13 00:40:57,142 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:40:57,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:40:57,150 INFO L168 Benchmark]: Toolchain (without parser) took 5250.64 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 46.1 MB in the beginning and 36.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,150 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:57,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.50 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 45.9 MB in the beginning and 73.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.44 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 72.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:57,153 INFO L168 Benchmark]: Boogie Preprocessor took 54.05 ms. Allocated memory is still 102.8 MB. Free memory was 72.1 MB in the beginning and 70.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,154 INFO L168 Benchmark]: RCFGBuilder took 372.68 ms. Allocated memory is still 102.8 MB. Free memory was 70.6 MB in the beginning and 60.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,157 INFO L168 Benchmark]: BuchiAutomizer took 4132.35 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 36.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,158 INFO L168 Benchmark]: Witness Printer took 7.43 ms. Allocated memory is still 102.8 MB. Free memory is still 36.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:57,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 83.9 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.50 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 45.9 MB in the beginning and 73.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.44 ms. Allocated memory is still 102.8 MB. Free memory was 73.8 MB in the beginning and 72.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.05 ms. Allocated memory is still 102.8 MB. Free memory was 72.1 MB in the beginning and 70.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 372.68 ms. Allocated memory is still 102.8 MB. Free memory was 70.6 MB in the beginning and 60.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4132.35 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 36.6 MB in the end (delta: 24.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * Witness Printer took 7.43 ms. Allocated memory is still 102.8 MB. Free memory is still 36.6 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * from + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 16 SDslu, 3 SDs, 0 SdLazy, 6 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital196 mio100 ax109 hnf100 lsp88 ukn92 mio100 lsp49 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:40:57,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:40:57,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d3ea1ed-581f-46c6-99e1-ecd7ed7b997a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...