./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/rec_strlen-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/rec_strlen-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 670ba1f7b305b901cafb6eb07f9685f38a74d232de67a28beb70e276cc8ee0cd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:17:22,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:17:22,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:17:22,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:17:22,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:17:22,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:17:22,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:17:22,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:17:22,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:17:22,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:17:22,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:17:22,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:17:22,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:17:22,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:17:22,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:17:22,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:17:22,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:17:22,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:17:22,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:17:22,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:17:22,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:17:22,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:17:22,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:17:22,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:17:22,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:17:22,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:17:22,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:17:22,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:17:22,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:17:22,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:17:22,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:17:22,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:17:22,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:17:22,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:17:22,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:17:22,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:17:22,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:17:22,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:17:22,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:17:22,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:17:22,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:17:22,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:17:23,030 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:17:23,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:17:23,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:17:23,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:17:23,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:17:23,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:17:23,043 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:17:23,043 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:17:23,044 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:17:23,044 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:17:23,044 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:17:23,045 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:17:23,045 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:17:23,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:17:23,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:17:23,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:17:23,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:17:23,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:17:23,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:17:23,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:17:23,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:17:23,047 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:17:23,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:17:23,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:17:23,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:17:23,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:17:23,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:17:23,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:17:23,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:17:23,061 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:17:23,061 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_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670ba1f7b305b901cafb6eb07f9685f38a74d232de67a28beb70e276cc8ee0cd [2021-10-28 09:17:23,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:17:23,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:17:23,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:17:23,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:17:23,554 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:17:23,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/rec_strlen-alloca-2.i [2021-10-28 09:17:23,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/data/7c30a90b6/1ae563775aa8408bbe843ec04da65692/FLAG3e17d4e2f [2021-10-28 09:17:24,336 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:17:24,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/sv-benchmarks/c/termination-memory-alloca/rec_strlen-alloca-2.i [2021-10-28 09:17:24,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/data/7c30a90b6/1ae563775aa8408bbe843ec04da65692/FLAG3e17d4e2f [2021-10-28 09:17:24,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/data/7c30a90b6/1ae563775aa8408bbe843ec04da65692 [2021-10-28 09:17:24,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:17:24,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:17:24,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:17:24,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:17:24,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:17:24,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:17:24" (1/1) ... [2021-10-28 09:17:24,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa2f56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:24, skipping insertion in model container [2021-10-28 09:17:24,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:17:24" (1/1) ... [2021-10-28 09:17:24,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:17:24,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:17:25,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:17:25,127 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:17:25,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:17:25,222 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:17:25,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25 WrapperNode [2021-10-28 09:17:25,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:17:25,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:17:25,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:17:25,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:17:25,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:17:25,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:17:25,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:17:25,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:17:25,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:17:25,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:17:25,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:17:25,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:17:25,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (1/1) ... [2021-10-28 09:17:25,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:25,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:25,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:25,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:17:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:17:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:17:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:17:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:17:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure strlen_rec [2021-10-28 09:17:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen_rec [2021-10-28 09:17:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:17:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:17:25,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:17:25,775 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 09:17:25,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:25 BoogieIcfgContainer [2021-10-28 09:17:25,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:17:25,780 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:17:25,780 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:17:25,784 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:17:25,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:17:25,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:17:24" (1/3) ... [2021-10-28 09:17:25,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@628cd593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:17:25, skipping insertion in model container [2021-10-28 09:17:25,801 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:17:25,801 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:17:25" (2/3) ... [2021-10-28 09:17:25,802 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@628cd593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:17:25, skipping insertion in model container [2021-10-28 09:17:25,802 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:17:25,802 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:25" (3/3) ... [2021-10-28 09:17:25,804 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_strlen-alloca-2.i [2021-10-28 09:17:25,861 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:17:25,862 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:17:25,862 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:17:25,862 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:17:25,863 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:17:25,863 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:17:25,863 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:17:25,863 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:17:25,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 09:17:25,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:17:25,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:17:25,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:17:25,919 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:17:25,919 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:17:25,920 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:17:25,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 09:17:25,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 09:17:25,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:17:25,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:17:25,925 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:17:25,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:17:25,934 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 11#L555true assume !(main_~length1~0 < 1); 8#L555-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1); 6#L560true call main_#t~ret6 := strlen_rec(main_~nondetString1~0.base, main_~nondetString1~0.offset);< 13#strlen_recENTRYtrue [2021-10-28 09:17:25,935 INFO L793 eck$LassoCheckResult]: Loop: 13#strlen_recENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem2 := read~int(~p.base, ~p.offset, 1); 14#L548true assume !(0 == #t~mem2);havoc #t~mem2; 15#L551true call #t~ret3 := strlen_rec(~p.base, 1 + ~p.offset);< 13#strlen_recENTRYtrue [2021-10-28 09:17:25,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:25,943 INFO L85 PathProgramCache]: Analyzing trace with hash 28695762, now seen corresponding path program 1 times [2021-10-28 09:17:25,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:25,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177609679] [2021-10-28 09:17:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:25,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:26,093 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:17:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:26,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:17:26,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2021-10-28 09:17:26,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:26,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319041824] [2021-10-28 09:17:26,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:26,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:26,162 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:17:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:26,175 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:17:26,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:26,178 INFO L85 PathProgramCache]: Analyzing trace with hash 176968867, now seen corresponding path program 1 times [2021-10-28 09:17:26,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:17:26,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902496627] [2021-10-28 09:17:26,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:17:26,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:17:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:26,215 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:17:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:17:26,252 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:17:27,169 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:17:27,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:17:27,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:17:27,170 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:17:27,170 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:17:27,171 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:27,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:17:27,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:17:27,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strlen-alloca-2.i_Iteration1_Lasso [2021-10-28 09:17:27,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:17:27,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:17:27,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:17:27,633 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:17:27,639 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:17:27,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:27,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:27,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:27,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:17:27,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:27,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:27,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:27,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:27,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:27,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:27,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:27,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:27,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:27,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:17:27,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:27,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:27,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:27,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:17:27,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:27,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:27,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:27,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:27,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:27,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:27,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:27,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:27,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:27,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:27,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:27,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:27,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:27,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:17:27,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:27,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:27,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:27,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:27,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:27,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:27,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:27,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:27,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:27,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:27,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:27,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:27,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:27,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:17:27,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:27,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:27,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:27,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:27,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:27,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:27,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:27,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:27,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:27,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:27,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:27,944 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:27,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:17:27,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:27,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:27,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:27,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:27,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:27,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:27,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:27,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:27,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:27,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 09:17:27,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:27,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:27,993 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:27,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:17:27,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:28,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:28,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,073 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:17:28,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,166 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:28,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:28,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:17:28,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,261 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:17:28,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,346 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:17:28,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,441 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:17:28,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,539 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:17:28,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:28,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:28,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,621 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:17:28,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 09:17:28,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,671 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:17:28,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-28 09:17:28,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,711 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:17:28,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,761 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:17:28,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:28,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:17:28,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:28,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,850 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:17:28,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:28,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:28,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:28,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:28,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:28,949 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:28,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:17:28,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:28,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:28,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:28,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:28,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:28,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:28,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:28,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:29,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:29,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:29,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:29,020 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:29,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:17:29,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:29,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:29,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:17:29,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:29,033 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:17:29,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:29,035 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:17:29,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:17:29,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:29,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:29,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:29,072 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:29,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:17:29,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:29,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:29,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:29,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:29,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:29,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:29,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:29,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:17:29,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:29,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:29,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:29,171 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:29,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:17:29,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:17:29,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:17:29,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:17:29,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:17:29,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:17:29,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:17:29,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:17:29,229 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:17:29,271 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:17:29,271 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-28 09:17:29,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:17:29,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:17:29,287 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:17:29,319 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:17:29,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:17:29,347 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:17:29,348 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:17:29,348 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length strlen_rec_#in~p.base)_1, strlen_rec_#in~p.offset) = 1*v_rep(select #length strlen_rec_#in~p.base)_1 - 1*strlen_rec_#in~p.offset Supporting invariants [] [2021-10-28 09:17:29,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:29,403 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-28 09:17:29,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:17:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:29,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:17:29,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:17:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:17:29,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:17:29,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:17:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:17:29,605 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 [2021-10-28 09:17:29,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:29,713 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 8 states. [2021-10-28 09:17:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:17:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:17:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-10-28 09:17:29,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-28 09:17:29,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:17:29,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-28 09:17:29,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:17:29,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 5 letters. Loop has 6 letters. [2021-10-28 09:17:29,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:17:29,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2021-10-28 09:17:29,733 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:17:29,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2021-10-28 09:17:29,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:17:29,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:17:29,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:17:29,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:17:29,739 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:17:29,739 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:17:29,739 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:17:29,739 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:17:29,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:17:29,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:17:29,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:17:29,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:17:29 BoogieIcfgContainer [2021-10-28 09:17:29,747 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:17:29,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:17:29,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:17:29,748 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:17:29,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:17:25" (3/4) ... [2021-10-28 09:17:29,754 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:17:29,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:17:29,757 INFO L168 Benchmark]: Toolchain (without parser) took 5149.02 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 70.3 MB in the beginning and 100.1 MB in the end (delta: -29.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:29,757 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 111.1 MB. Free memory is still 88.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:29,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.68 ms. Allocated memory is still 111.1 MB. Free memory was 70.1 MB in the beginning and 78.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:29,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.33 ms. Allocated memory is still 111.1 MB. Free memory was 78.8 MB in the beginning and 77.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:29,761 INFO L168 Benchmark]: Boogie Preprocessor took 29.81 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 76.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:29,766 INFO L168 Benchmark]: RCFGBuilder took 467.08 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 67.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:17:29,768 INFO L168 Benchmark]: BuchiAutomizer took 3967.73 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 66.9 MB in the beginning and 100.1 MB in the end (delta: -33.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:29,768 INFO L168 Benchmark]: Witness Printer took 6.37 ms. Allocated memory is still 140.5 MB. Free memory is still 100.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:17:29,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 111.1 MB. Free memory is still 88.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.68 ms. Allocated memory is still 111.1 MB. Free memory was 70.1 MB in the beginning and 78.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.33 ms. Allocated memory is still 111.1 MB. Free memory was 78.8 MB in the beginning and 77.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.81 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 76.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 467.08 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 67.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3967.73 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 66.9 MB in the beginning and 100.1 MB in the end (delta: -33.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.37 ms. Allocated memory is still 140.5 MB. Free memory is still 100.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[p] and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital88 mio100 ax120 hnf100 lsp77 ukn60 mio100 lsp50 div100 bol100 ite100 ukn100 eq172 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:17:29,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:17:30,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df1aed1-7cb5-4757-8806-208b9f450b81/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...