./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN --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 c0210ef89ad3c98ea9fece5cf50381a477e80228bc6d486133df1f853ef1ed9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:45:36,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:45:36,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:45:36,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:45:36,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:45:36,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:45:36,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:45:36,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:45:36,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:45:36,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:45:36,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:45:36,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:45:36,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:45:36,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:45:36,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:45:36,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:45:36,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:45:36,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:45:36,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:45:36,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:45:36,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:45:36,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:45:36,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:45:36,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:45:36,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:45:36,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:45:36,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:45:36,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:45:36,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:45:36,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:45:36,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:45:36,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:45:36,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:45:36,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:45:36,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:45:36,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:45:36,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:45:36,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:45:36,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:45:36,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:45:36,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:45:36,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 10:45:36,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:45:36,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:45:36,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:45:36,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:45:36,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:45:36,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:45:36,279 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:45:36,279 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:45:36,280 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:45:36,280 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:45:36,281 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:45:36,281 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:45:36,282 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:45:36,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:45:36,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:45:36,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:45:36,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:45:36,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:45:36,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:45:36,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:45:36,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:45:36,284 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:45:36,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:45:36,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:45:36,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:45:36,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:45:36,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:45:36,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:45:36,289 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:45:36,289 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_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0210ef89ad3c98ea9fece5cf50381a477e80228bc6d486133df1f853ef1ed9e [2022-11-20 10:45:36,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:45:36,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:45:36,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:45:36,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:45:36,701 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:45:36,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-15/cstrchr_malloc.i [2022-11-20 10:45:39,930 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:45:40,171 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:45:40,172 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/sv-benchmarks/c/termination-15/cstrchr_malloc.i [2022-11-20 10:45:40,182 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/data/eed38874b/bac4657f52d44ebbb631c2d370dd7a34/FLAG9419e090d [2022-11-20 10:45:40,201 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/data/eed38874b/bac4657f52d44ebbb631c2d370dd7a34 [2022-11-20 10:45:40,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:45:40,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:45:40,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:40,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:45:40,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:45:40,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a475cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40, skipping insertion in model container [2022-11-20 10:45:40,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:45:40,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:45:40,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:40,597 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:45:40,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:40,709 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:45:40,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40 WrapperNode [2022-11-20 10:45:40,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:40,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:40,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:45:40,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:45:40,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,777 INFO L138 Inliner]: procedures = 152, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-11-20 10:45:40,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:40,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:45:40,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:45:40,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:45:40,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,825 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:45:40,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:45:40,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:45:40,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:45:40,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (1/1) ... [2022-11-20 10:45:40,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:40,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:40,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:40,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:45:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:45:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:45:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:45:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:45:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:45:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:45:41,004 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:45:41,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:45:41,201 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:45:41,208 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:45:41,208 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:45:41,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:41 BoogieIcfgContainer [2022-11-20 10:45:41,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:45:41,212 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:45:41,212 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:45:41,217 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:45:41,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:41,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:45:40" (1/3) ... [2022-11-20 10:45:41,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74552b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:45:41, skipping insertion in model container [2022-11-20 10:45:41,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:41,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:40" (2/3) ... [2022-11-20 10:45:41,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74552b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:45:41, skipping insertion in model container [2022-11-20 10:45:41,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:41,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:41" (3/3) ... [2022-11-20 10:45:41,222 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrchr_malloc.i [2022-11-20 10:45:41,287 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:45:41,287 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:45:41,287 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:45:41,287 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:45:41,288 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:45:41,288 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:45:41,288 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:45:41,288 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:45:41,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:41,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:45:41,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:45:41,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:45:41,342 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 10:45:41,342 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 10:45:41,342 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:45:41,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:41,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 10:45:41,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:45:41,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:45:41,345 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 10:45:41,345 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 10:45:41,355 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet210#1, main_#t~malloc211#1.base, main_#t~malloc211#1.offset, main_#t~nondet212#1, main_#t~ret213#1.base, main_#t~ret213#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet210#1;havoc main_#t~nondet210#1; 9#L372true assume !(main_~length~0#1 < 1); 11#L372-2true call main_#t~malloc211#1.base, main_#t~malloc211#1.offset := #Ultimate.allocOnHeap(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc211#1.base, main_#t~malloc211#1.offset;havoc main_#t~malloc211#1.base, main_#t~malloc211#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet212#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset, cstrchr_#t~mem205#1, cstrchr_#t~mem206#1, cstrchr_#t~short207#1, cstrchr_#t~mem209#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 12#L366-5true [2022-11-20 10:45:41,356 INFO L750 eck$LassoCheckResult]: Loop: 12#L366-5true call cstrchr_#t~mem205#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := 0 != cstrchr_#t~mem205#1; 10#L366-1true assume cstrchr_#t~short207#1;call cstrchr_#t~mem206#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short207#1 := cstrchr_#t~mem206#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 6#L366-3true assume !!cstrchr_#t~short207#1;havoc cstrchr_#t~mem205#1;havoc cstrchr_#t~mem206#1;havoc cstrchr_#t~short207#1;cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post208#1.base, 1 + cstrchr_#t~post208#1.offset;havoc cstrchr_#t~post208#1.base, cstrchr_#t~post208#1.offset; 12#L366-5true [2022-11-20 10:45:41,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:41,365 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-20 10:45:41,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:41,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148941307] [2022-11-20 10:45:41,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:41,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:41,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:41,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:41,572 INFO L85 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2022-11-20 10:45:41,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:41,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987891150] [2022-11-20 10:45:41,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:41,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:41,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:41,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:41,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:41,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2022-11-20 10:45:41,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:41,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136443837] [2022-11-20 10:45:41,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:41,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:41,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:41,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:42,377 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:45:42,377 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:45:42,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:45:42,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:45:42,378 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:45:42,378 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:42,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:45:42,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:45:42,378 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr_malloc.i_Iteration1_Lasso [2022-11-20 10:45:42,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:45:42,379 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:45:42,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,449 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,462 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,469 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:43,627 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:45:43,631 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:45:43,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:45:43,647 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 [2022-11-20 10:45:43,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,700 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 [2022-11-20 10:45:43,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:45:43,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,764 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 [2022-11-20 10:45:43,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:45:43,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-20 10:45:43,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,790 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:45:43,795 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 [2022-11-20 10:45:43,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:43,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:43,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,856 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 [2022-11-20 10:45:43,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:45:43,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,906 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 [2022-11-20 10:45:43,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:45:43,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,959 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,968 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 [2022-11-20 10:45:43,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:45:43,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,010 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,023 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 [2022-11-20 10:45:44,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:45:44,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:44,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:44,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,067 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 10:45:44,079 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 [2022-11-20 10:45:44,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:44,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,113 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,122 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 [2022-11-20 10:45:44,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:44,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 10:45:44,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,156 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,160 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 [2022-11-20 10:45:44,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 10:45:44,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:44,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,193 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,205 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 [2022-11-20 10:45:44,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 10:45:44,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:44,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,228 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 10:45:44,231 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 [2022-11-20 10:45:44,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:44,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,282 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 10:45:44,290 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 [2022-11-20 10:45:44,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:44,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,333 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,344 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 [2022-11-20 10:45:44,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 10:45:44,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:44,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,384 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,391 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 [2022-11-20 10:45:44,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 10:45:44,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:44,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:44,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,429 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,443 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 [2022-11-20 10:45:44,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 10:45:44,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,456 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 10:45:44,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,462 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 10:45:44,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:44,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,492 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 10:45:44,495 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 [2022-11-20 10:45:44,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,506 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-20 10:45:44,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,593 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2022-11-20 10:45:44,593 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-20 10:45:44,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,766 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,772 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 [2022-11-20 10:45:44,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 10:45:44,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:44,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:44,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,809 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 10:45:44,827 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 [2022-11-20 10:45:44,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:44,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:44,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:44,909 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:45:44,950 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-20 10:45:44,950 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-20 10:45:44,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,015 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 10:45:45,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:45:45,104 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 10:45:45,104 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:45:45,104 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrchr_~s#1.base)_1, ULTIMATE.start_cstrchr_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrchr_~s#1.base)_1 - 1*ULTIMATE.start_cstrchr_~s#1.offset Supporting invariants [] [2022-11-20 10:45:45,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,135 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-20 10:45:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:45:45,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:45,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:45:45,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:45,285 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 10:45:45,297 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:45,349 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 30 transitions. Complement of second has 5 states. [2022-11-20 10:45:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:45:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-20 10:45:45,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-20 10:45:45,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:45:45,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-20 10:45:45,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:45:45,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-20 10:45:45,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:45:45,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2022-11-20 10:45:45,369 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:45:45,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-11-20 10:45:45,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:45:45,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:45:45,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:45:45,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:45:45,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:45,374 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:45,375 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:45,375 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:45:45,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:45:45,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:45:45,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:45:45,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:45:45 BoogieIcfgContainer [2022-11-20 10:45:45,386 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:45:45,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:45:45,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:45:45,387 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:45:45,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:41" (3/4) ... [2022-11-20 10:45:45,390 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:45:45,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:45:45,391 INFO L158 Benchmark]: Toolchain (without parser) took 5186.96ms. Allocated memory is still 180.4MB. Free memory was 134.5MB in the beginning and 130.8MB in the end (delta: 3.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-20 10:45:45,391 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:45,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.74ms. Allocated memory is still 180.4MB. Free memory was 134.5MB in the beginning and 117.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:45:45,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.60ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 115.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:45:45,393 INFO L158 Benchmark]: Boogie Preprocessor took 52.53ms. Allocated memory is still 180.4MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:45:45,393 INFO L158 Benchmark]: RCFGBuilder took 379.32ms. Allocated memory is still 180.4MB. Free memory was 114.0MB in the beginning and 103.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:45:45,394 INFO L158 Benchmark]: BuchiAutomizer took 4173.95ms. Allocated memory is still 180.4MB. Free memory was 103.6MB in the beginning and 130.8MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:45,394 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 180.4MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:45,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.74ms. Allocated memory is still 180.4MB. Free memory was 134.5MB in the beginning and 117.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.60ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 115.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.53ms. Allocated memory is still 180.4MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.32ms. Allocated memory is still 180.4MB. Free memory was 114.0MB in the beginning and 103.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4173.95ms. Allocated memory is still 180.4MB. Free memory was 103.6MB in the beginning and 130.8MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 180.4MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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 * s + unknown-#length-unknown[s] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital154 mio100 ax100 hnf100 lsp96 ukn87 mio100 lsp36 div178 bol100 ite100 ukn100 eq159 hnf92 smp63 dnf711 smp30 tf100 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 268ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 10:45:45,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a7827a7-d599-49ce-b185-cbb9b9024ccf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE