./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3 --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 32bit --witnessprinter.graph.data.programhash 50bdaf600d03af0a677a59daf6a875dbe69c10b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:23:39,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:23:39,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:23:39,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:23:39,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:23:39,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:23:39,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:23:39,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:23:39,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:23:39,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:23:39,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:23:39,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:23:39,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:23:39,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:23:39,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:23:39,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:23:39,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:23:39,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:23:39,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:23:39,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:23:39,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:23:39,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:23:39,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:23:39,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:23:39,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:23:39,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:23:39,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:23:39,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:23:39,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:23:39,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:23:39,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:23:39,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:23:39,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:23:39,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:23:39,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:23:39,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:23:39,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:23:39,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:23:39,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:23:39,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:23:39,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:23:39,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 20:23:39,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:23:39,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:23:39,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:23:39,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:23:39,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:23:39,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:23:39,626 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:23:39,626 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:23:39,627 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:23:39,627 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:23:39,627 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:23:39,627 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:23:39,627 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:23:39,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:23:39,628 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:23:39,628 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:23:39,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:23:39,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:23:39,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:23:39,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:23:39,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:23:39,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:23:39,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:23:39,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:23:39,630 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:23:39,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:23:39,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:23:39,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:23:39,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:23:39,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:23:39,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:23:39,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:23:39,633 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:23:39,633 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_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50bdaf600d03af0a677a59daf6a875dbe69c10b2 [2021-10-15 20:23:39,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:23:39,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:23:39,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:23:39,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:23:39,915 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:23:39,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2021-10-15 20:23:39,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/data/16843b6a2/293a9aa2f64e478ba27c00f2be3ddf3e/FLAGdf70e1c21 [2021-10-15 20:23:40,439 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:23:40,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2021-10-15 20:23:40,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/data/16843b6a2/293a9aa2f64e478ba27c00f2be3ddf3e/FLAGdf70e1c21 [2021-10-15 20:23:40,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/data/16843b6a2/293a9aa2f64e478ba27c00f2be3ddf3e [2021-10-15 20:23:40,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:23:40,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:23:40,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:23:40,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:23:40,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:23:40,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:23:40" (1/1) ... [2021-10-15 20:23:40,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be7722c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:40, skipping insertion in model container [2021-10-15 20:23:40,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:23:40" (1/1) ... [2021-10-15 20:23:40,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:23:40,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:23:41,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:23:41,211 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:23:41,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:23:41,280 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:23:41,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41 WrapperNode [2021-10-15 20:23:41,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:23:41,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:23:41,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:23:41,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:23:41,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:23:41,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:23:41,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:23:41,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:23:41,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:23:41,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:23:41,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:23:41,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:23:41,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (1/1) ... [2021-10-15 20:23:41,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:41,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:41,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:41,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:23:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:23:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:23:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:23:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:23:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:23:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:23:41,785 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:23:41,785 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-15 20:23:41,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:23:41 BoogieIcfgContainer [2021-10-15 20:23:41,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:23:41,788 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:23:41,788 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:23:41,791 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:23:41,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:23:41,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:23:40" (1/3) ... [2021-10-15 20:23:41,796 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e385f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:23:41, skipping insertion in model container [2021-10-15 20:23:41,796 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:23:41,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:23:41" (2/3) ... [2021-10-15 20:23:41,797 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e385f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:23:41, skipping insertion in model container [2021-10-15 20:23:41,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:23:41,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:23:41" (3/3) ... [2021-10-15 20:23:41,799 INFO L389 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2021-10-15 20:23:41,869 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:23:41,869 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:23:41,869 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:23:41,869 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:23:41,869 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:23:41,870 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:23:41,870 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:23:41,870 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:23:41,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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) [2021-10-15 20:23:41,907 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-15 20:23:41,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:23:41,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:23:41,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-15 20:23:41,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:23:41,915 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:23:41,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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) [2021-10-15 20:23:41,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-15 20:23:41,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:23:41,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:23:41,919 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-15 20:23:41,919 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 20:23:41,926 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 13#L528true assume !(main_~length1~0 < 1); 7#L528-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 11#L533-3true [2021-10-15 20:23:41,927 INFO L793 eck$LassoCheckResult]: Loop: 11#L533-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 3#L533-2true main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 11#L533-3true [2021-10-15 20:23:41,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:41,933 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-15 20:23:41,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:41,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195653145] [2021-10-15 20:23:41,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:41,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:42,095 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:42,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:42,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:42,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-15 20:23:42,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:42,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798469983] [2021-10-15 20:23:42,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:42,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:42,169 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:42,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:42,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:42,181 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-15 20:23:42,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:42,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568124902] [2021-10-15 20:23:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:42,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:42,205 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:42,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:42,556 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:23:42,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:23:42,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:23:42,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:23:42,558 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:23:42,558 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:42,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:23:42,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:23:42,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2021-10-15 20:23:42,559 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:23:42,559 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:23:42,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:42,921 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:23:42,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:23:42,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:42,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:42,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:42,946 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 [2021-10-15 20:23:42,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:42,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:42,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:42,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:42,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:42,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:42,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:42,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 20:23:42,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,020 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 [2021-10-15 20:23:43,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:43,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:43,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:43,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 20:23:43,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 20:23:43,076 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 [2021-10-15 20:23:43,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:43,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:43,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:43,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,154 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 [2021-10-15 20:23:43,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:43,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:43,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:43,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 20:23:43,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,224 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 [2021-10-15 20:23:43,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:43,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:43,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:43,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 20:23:43,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,283 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,288 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 [2021-10-15 20:23:43,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:43,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:43,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 20:23:43,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,359 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 [2021-10-15 20:23:43,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:43,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:43,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 20:23:43,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,426 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:23:43,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:43,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:43,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:43,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 20:23:43,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:43,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,494 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,504 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 [2021-10-15 20:23:43,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:43,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:43,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:43,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:43,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:43,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:43,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 20:23:43,548 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:23:43,581 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-15 20:23:43,581 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-15 20:23:43,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:43,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:43,596 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:43,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:23:43,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 20:23:43,650 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:23:43,650 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:23:43,650 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-15 20:23:43,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:43,698 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-15 20:23:43,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:23:43,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:23:43,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:23:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:23:43,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 20:23:43,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:23:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:23:43,806 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 [2021-10-15 20:23:43,807 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:23:43,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 51 transitions. Complement of second has 7 states. [2021-10-15 20:23:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 20:23:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:23:43,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-10-15 20:23:43,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-15 20:23:43,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:23:43,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-15 20:23:43,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:23:43,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-15 20:23:43,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:23:43,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2021-10-15 20:23:43,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-15 20:23:43,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2021-10-15 20:23:43,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-15 20:23:43,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-15 20:23:43,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-10-15 20:23:43,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:23:43,897 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-15 20:23:43,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-10-15 20:23:43,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-15 20:23:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:23:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-10-15 20:23:43,922 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-15 20:23:43,922 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-15 20:23:43,922 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 20:23:43,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-10-15 20:23:43,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-15 20:23:43,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:23:43,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:23:43,925 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-15 20:23:43,925 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:23:43,926 INFO L791 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 118#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 115#L528 assume !(main_~length1~0 < 1); 116#L528-2 call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 111#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 113#L533-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 119#L517-3 [2021-10-15 20:23:43,926 INFO L793 eck$LassoCheckResult]: Loop: 119#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 121#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 122#L518 assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 120#L518-2 cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 119#L517-3 [2021-10-15 20:23:43,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:43,928 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-15 20:23:43,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:43,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697137112] [2021-10-15 20:23:43,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:43,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:43,969 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:43,990 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:43,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 1 times [2021-10-15 20:23:43,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:43,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063301855] [2021-10-15 20:23:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:43,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:43,998 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:44,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:44,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:44,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1952978730, now seen corresponding path program 1 times [2021-10-15 20:23:44,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:44,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540874888] [2021-10-15 20:23:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:44,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:23:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:23:44,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:23:44,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540874888] [2021-10-15 20:23:44,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540874888] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:23:44,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:23:44,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-15 20:23:44,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522705100] [2021-10-15 20:23:44,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:23:44,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-15 20:23:44,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-15 20:23:44,325 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:23:44,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 20:23:44,395 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-10-15 20:23:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 20:23:44,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-10-15 20:23:44,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-15 20:23:44,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2021-10-15 20:23:44,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-15 20:23:44,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-15 20:23:44,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-10-15 20:23:44,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:23:44,399 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-10-15 20:23:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-10-15 20:23:44,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-10-15 20:23:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:23:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-10-15 20:23:44,401 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-15 20:23:44,401 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-15 20:23:44,401 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 20:23:44,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-10-15 20:23:44,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-15 20:23:44,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:23:44,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:23:44,403 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:23:44,403 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 20:23:44,403 INFO L791 eck$LassoCheckResult]: Stem: 161#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 162#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 159#L528 assume !(main_~length1~0 < 1); 160#L528-2 call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 155#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 156#L533-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 157#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 158#L533-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 163#L517-3 [2021-10-15 20:23:44,403 INFO L793 eck$LassoCheckResult]: Loop: 163#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 165#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 166#L518 assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 164#L518-2 cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 163#L517-3 [2021-10-15 20:23:44,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:44,404 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-10-15 20:23:44,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:44,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989588461] [2021-10-15 20:23:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:44,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:44,420 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:44,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:44,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:44,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 2 times [2021-10-15 20:23:44,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:44,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508261411] [2021-10-15 20:23:44,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:44,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:44,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:44,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:44,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:44,452 INFO L82 PathProgramCache]: Analyzing trace with hash -357903304, now seen corresponding path program 1 times [2021-10-15 20:23:44,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:23:44,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913629746] [2021-10-15 20:23:44,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:23:44,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:23:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:44,483 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:23:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:23:44,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:23:44,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:45,227 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:23:45,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:23:45,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:23:45,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:23:45,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:23:45,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:45,228 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:23:45,228 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:23:45,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2021-10-15 20:23:45,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:23:45,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:23:45,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,293 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-15 20:23:45,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:45,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:23:46,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:23:46,551 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:23:46,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:46,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:46,557 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:46,561 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 [2021-10-15 20:23:46,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:46,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:46,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:46,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:46,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:46,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:46,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:46,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 20:23:46,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:46,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:46,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:46,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:46,625 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:46,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 20:23:46,629 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 [2021-10-15 20:23:46,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:46,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:46,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:46,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:46,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:46,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:46,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:46,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:46,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:46,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:46,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:46,701 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:46,708 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 [2021-10-15 20:23:46,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:46,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:46,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:46,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:46,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:46,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:46,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:46,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 20:23:46,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:46,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:46,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:46,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:46,774 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:46,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 20:23:46,779 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 [2021-10-15 20:23:46,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:46,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:46,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:46,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:46,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:46,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:46,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:46,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-15 20:23:46,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:46,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:46,827 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 20:23:46,832 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 [2021-10-15 20:23:46,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:46,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:46,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:46,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:46,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:46,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:46,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:46,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:46,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:46,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:46,905 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:46,913 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 [2021-10-15 20:23:46,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:46,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:46,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:46,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:46,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:46,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:46,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:46,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 20:23:46,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:46,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:46,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:46,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:46,971 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:46,976 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 [2021-10-15 20:23:46,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:46,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:46,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:46,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:46,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:46,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:46,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:46,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 20:23:46,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,031 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 20:23:47,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:47,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:47,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 20:23:47,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,110 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 20:23:47,116 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 [2021-10-15 20:23:47,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:47,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:47,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:47,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,176 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-15 20:23:47,184 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 [2021-10-15 20:23:47,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:47,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:47,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:47,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,248 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,250 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 [2021-10-15 20:23:47,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:23:47,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:23:47,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:23:47,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-15 20:23:47,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,308 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,313 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 [2021-10-15 20:23:47,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:47,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:47,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-15 20:23:47,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-15 20:23:47,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,369 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-15 20:23:47,371 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 [2021-10-15 20:23:47,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,379 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-15 20:23:47,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,383 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-15 20:23:47,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:47,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,433 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-15 20:23:47,437 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 [2021-10-15 20:23:47,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:47,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:47,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,494 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-15 20:23:47,496 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 [2021-10-15 20:23:47,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:47,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:47,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,560 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-15 20:23:47,562 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 [2021-10-15 20:23:47,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:47,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:47,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 20:23:47,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,596 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,605 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 [2021-10-15 20:23:47,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-15 20:23:47,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:23:47,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:23:47,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:23:47,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:23:47,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 20:23:47,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 20:23:47,652 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:23:47,671 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-15 20:23:47,671 INFO L444 ModelExtractionUtils]: 23 out of 31 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-15 20:23:47,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:23:47,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:23:47,701 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:23:47,703 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:23:47,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-15 20:23:47,729 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 20:23:47,730 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:23:47,730 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2, ULTIMATE.start_cstrreplace_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2 - 1*ULTIMATE.start_cstrreplace_~p~0.offset Supporting invariants [] [2021-10-15 20:23:47,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:47,771 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-10-15 20:23:47,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:23:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:23:47,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-15 20:23:47,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:23:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:23:47,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 20:23:47,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:23:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:23:47,922 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-15 20:23:47,922 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-15 20:23:47,963 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16 states and 21 transitions. Complement of second has 5 states. [2021-10-15 20:23:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-15 20:23:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-10-15 20:23:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-10-15 20:23:47,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-15 20:23:47,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:23:47,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-15 20:23:47,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:23:47,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2021-10-15 20:23:47,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:23:47,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-10-15 20:23:47,974 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:23:47,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-10-15 20:23:47,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 20:23:47,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 20:23:47,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 20:23:47,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:23:47,975 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:23:47,975 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:23:47,975 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:23:47,975 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 20:23:47,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 20:23:47,975 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:23:47,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 20:23:47,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:23:47 BoogieIcfgContainer [2021-10-15 20:23:47,981 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 20:23:47,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:23:47,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:23:47,982 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:23:47,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:23:41" (3/4) ... [2021-10-15 20:23:47,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:23:47,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:23:47,987 INFO L168 Benchmark]: Toolchain (without parser) took 7190.78 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 52.2 MB in the beginning and 58.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:23:47,987 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:23:47,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.94 ms. Allocated memory is still 94.4 MB. Free memory was 51.9 MB in the beginning and 59.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:23:47,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.47 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:23:47,999 INFO L168 Benchmark]: Boogie Preprocessor took 58.57 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 56.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:23:47,999 INFO L168 Benchmark]: RCFGBuilder took 381.14 ms. Allocated memory is still 94.4 MB. Free memory was 56.3 MB in the beginning and 46.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:23:48,000 INFO L168 Benchmark]: BuchiAutomizer took 6193.29 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 46.1 MB in the beginning and 58.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:23:48,000 INFO L168 Benchmark]: Witness Printer took 3.71 ms. Allocated memory is still 119.5 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:23:48,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.94 ms. Allocated memory is still 94.4 MB. Free memory was 51.9 MB in the beginning and 59.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.47 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.57 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 56.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 381.14 ms. Allocated memory is still 94.4 MB. Free memory was 56.3 MB in the beginning and 46.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6193.29 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 46.1 MB in the beginning and 58.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.71 ms. Allocated memory is still 119.5 MB. Free memory is still 58.2 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 13.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 49 SDslu, 47 SDs, 0 SdLazy, 55 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital151 mio100 ax113 hnf99 lsp92 ukn123 mio100 lsp38 div119 bol100 ite100 ukn100 eq163 hnf81 smp96 dnf150 smp76 tf100 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 5 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 20:23:48,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-15 20:23:48,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4215c9b-f58c-465a-b680-893e72340ae4/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...