./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_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_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/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_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/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_281f08d4-3eac-474e-8fcd-5152faa47467/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 ba2b2304f59c42f24b0ea6cefca15c75c2792e09691962ca65c937e0583a810e --- 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 09:27:29,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:29,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:29,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:29,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:29,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:29,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:29,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:29,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:29,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:29,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:29,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:29,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:29,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:29,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:29,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:29,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:29,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:29,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:29,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:29,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:29,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:29,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:29,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:29,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:29,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:29,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:29,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:29,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:29,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:29,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:29,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:29,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:29,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:29,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:29,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:29,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:29,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:29,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:29,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:29,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:29,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 09:27:29,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:29,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:29,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:29,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:29,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:29,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:29,190 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:29,191 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 09:27:29,191 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 09:27:29,191 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 09:27:29,192 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 09:27:29,192 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 09:27:29,193 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 09:27:29,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:29,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:27:29,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:29,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:29,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 09:27:29,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 09:27:29,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 09:27:29,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:29,195 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 09:27:29,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:29,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 09:27:29,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:29,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:29,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:29,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:29,198 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 09:27:29,199 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_281f08d4-3eac-474e-8fcd-5152faa47467/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba2b2304f59c42f24b0ea6cefca15c75c2792e09691962ca65c937e0583a810e [2022-11-20 09:27:29,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:29,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:29,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:29,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:29,542 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:29,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i [2022-11-20 09:27:32,555 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:32,781 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:32,782 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/sv-benchmarks/c/termination-recursive-malloc/rec_strlen_malloc.i [2022-11-20 09:27:32,790 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/data/408bcc332/da5357f13cf9433baafdcaaa50de7735/FLAG1ee000c67 [2022-11-20 09:27:32,815 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/data/408bcc332/da5357f13cf9433baafdcaaa50de7735 [2022-11-20 09:27:32,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:32,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:32,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:32,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:32,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:32,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:32" (1/1) ... [2022-11-20 09:27:32,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668c1d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:32, skipping insertion in model container [2022-11-20 09:27:32,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:32" (1/1) ... [2022-11-20 09:27:32,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:32,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:33,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:33,094 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:33,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:33,126 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:33,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33 WrapperNode [2022-11-20 09:27:33,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:33,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:33,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:33,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:33,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,165 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-11-20 09:27:33,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:33,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:33,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:33,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:33,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:33,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:33,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:33,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:33,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (1/1) ... [2022-11-20 09:27:33,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:33,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:33,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:33,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:27:33,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:27:33,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:33,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:27:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure rec_cstrlen [2022-11-20 09:27:33,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_cstrlen [2022-11-20 09:27:33,393 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:33,395 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:33,558 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:33,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:33,564 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:27:33,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:33 BoogieIcfgContainer [2022-11-20 09:27:33,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:33,567 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 09:27:33,568 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 09:27:33,596 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 09:27:33,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:27:33,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:27:32" (1/3) ... [2022-11-20 09:27:33,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d8f60a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:27:33, skipping insertion in model container [2022-11-20 09:27:33,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:27:33,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:33" (2/3) ... [2022-11-20 09:27:33,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d8f60a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:27:33, skipping insertion in model container [2022-11-20 09:27:33,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:27:33,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:33" (3/3) ... [2022-11-20 09:27:33,600 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_strlen_malloc.i [2022-11-20 09:27:33,655 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 09:27:33,655 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 09:27:33,655 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 09:27:33,655 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 09:27:33,655 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 09:27:33,656 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 09:27:33,656 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 09:27:33,656 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 09:27:33,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 09:27:33,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:33,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:33,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:33,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 09:27:33,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:27:33,715 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 09:27:33,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 09:27:33,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 09:27:33,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:27:33,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:27:33,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 09:27:33,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:27:33,726 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1.base, main_#t~ret5#1.offset, main_#t~ret6#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet1#1, build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet1#1;havoc build_nondet_String_#t~nondet1#1; 16#L11true assume !(build_nondet_String_~length~0#1 < 1); 10#L11-2true call build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset;havoc build_nondet_String_#t~malloc2#1.base, build_nondet_String_#t~malloc2#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 2#L16true main_#t~ret5#1.base, main_#t~ret5#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true; 6#L30true call main_#t~ret6#1 := rec_cstrlen(main_#t~ret5#1.base, main_#t~ret5#1.offset);< 11#rec_cstrlenENTRYtrue [2022-11-20 09:27:33,727 INFO L750 eck$LassoCheckResult]: Loop: 11#rec_cstrlenENTRYtrue ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem3 := read~int(~s.base, ~s.offset, 1); 8#L22true assume !(0 == #t~mem3);havoc #t~mem3; 15#L25true call #t~ret4 := rec_cstrlen(~s.base, 1 + ~s.offset);< 11#rec_cstrlenENTRYtrue [2022-11-20 09:27:33,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:33,733 INFO L85 PathProgramCache]: Analyzing trace with hash 889568275, now seen corresponding path program 1 times [2022-11-20 09:27:33,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:33,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073530753] [2022-11-20 09:27:33,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:33,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:33,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:33,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:33,957 INFO L85 PathProgramCache]: Analyzing trace with hash 46806, now seen corresponding path program 1 times [2022-11-20 09:27:33,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:33,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066667852] [2022-11-20 09:27:33,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:33,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:33,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:34,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:34,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:34,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1180281220, now seen corresponding path program 1 times [2022-11-20 09:27:34,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:34,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011160093] [2022-11-20 09:27:34,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:34,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:27:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:34,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:34,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:27:35,065 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:27:35,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:27:35,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:27:35,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:27:35,066 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:27:35,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:27:35,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:27:35,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strlen_malloc.i_Iteration1_Lasso [2022-11-20 09:27:35,068 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:27:35,068 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:27:35,092 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 09:27:35,102 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 09:27:35,106 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 09:27:35,115 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 09:27:35,118 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 09:27:35,123 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 09:27:35,126 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 09:27:35,128 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 09:27:35,131 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 09:27:35,134 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 09:27:35,137 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 09:27:35,140 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 09:27:35,143 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 09:27:35,146 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 09:27:35,148 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 09:27:35,151 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 09:27:35,154 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 09:27:35,156 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 09:27:35,159 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 09:27:35,161 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 09:27:35,164 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 09:27:35,166 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 09:27:35,169 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 09:27:35,267 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 09:27:35,577 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:27:35,582 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:27:35,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,606 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 09:27:35,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:35,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:35,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:35,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 09:27:35,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,655 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 09:27:35,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:35,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:35,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:35,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 09:27:35,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,684 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 09:27:35,688 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 09:27:35,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:35,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:35,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:35,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-20 09:27:35,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,717 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 09:27:35,727 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 09:27:35,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:35,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:35,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:35,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,771 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 09:27:35,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 09:27:35,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:35,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:35,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,818 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:27:35,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:35,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:35,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:35,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 09:27:35,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,871 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,879 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 09:27:35,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:35,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:35,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:35,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 09:27:35,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,923 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 09:27:35,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 09:27:35,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:35,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:35,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,968 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 09:27:35,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:35,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:35,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:35,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:35,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:35,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 09:27:35,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:35,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:35,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:35,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,999 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 09:27:36,015 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 09:27:36,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,060 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,064 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 09:27:36,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 09:27:36,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,114 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 09:27:36,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 09:27:36,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,147 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,156 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 09:27:36,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 09:27:36,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,200 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 09:27:36,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 09:27:36,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,228 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 09:27:36,233 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 09:27:36,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,262 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,271 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 09:27:36,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 09:27:36,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,297 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 09:27:36,303 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 09:27:36,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,336 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,348 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 09:27:36,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 09:27:36,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,391 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 09:27:36,419 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 09:27:36,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:27:36,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:27:36,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:27:36,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:27:36,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,455 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,468 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 09:27:36,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:27:36,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:27:36,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:27:36,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:27:36,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 09:27:36,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:27:36,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:27:36,502 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:27:36,520 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 09:27:36,520 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:27:36,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:27:36,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:36,561 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:36,585 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:27:36,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 09:27:36,615 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:27:36,616 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:27:36,616 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_cstrlen_#in~s.base)_1, rec_cstrlen_#in~s.offset) = 1*v_rep(select #length rec_cstrlen_#in~s.base)_1 - 1*rec_cstrlen_#in~s.offset Supporting invariants [] [2022-11-20 09:27:36,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:36,632 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:27:36,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:36,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:27:36,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:36,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:27:36,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:36,799 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 09:27:36,833 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 09:27:36,846 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:36,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 36 transitions. Complement of second has 8 states. [2022-11-20 09:27:36,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:27:36,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:27:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-11-20 09:27:36,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-20 09:27:36,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:36,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2022-11-20 09:27:36,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:36,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2022-11-20 09:27:36,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:27:36,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2022-11-20 09:27:36,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:27:36,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2022-11-20 09:27:36,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 09:27:36,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 09:27:36,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 09:27:36,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:27:36,963 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:36,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:36,963 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:27:36,964 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 09:27:36,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:27:36,964 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:27:36,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 09:27:36,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:27:36 BoogieIcfgContainer [2022-11-20 09:27:36,973 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 09:27:36,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:27:36,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:27:36,977 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:27:36,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:33" (3/4) ... [2022-11-20 09:27:36,980 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:27:36,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:27:36,981 INFO L158 Benchmark]: Toolchain (without parser) took 4156.12ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 45.4MB in the end (delta: 43.3MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-20 09:27:36,982 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:36,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.57ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 79.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 09:27:36,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:36,987 INFO L158 Benchmark]: Boogie Preprocessor took 44.00ms. Allocated memory is still 123.7MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:27:36,988 INFO L158 Benchmark]: RCFGBuilder took 355.78ms. Allocated memory is still 123.7MB. Free memory was 76.1MB in the beginning and 66.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 09:27:36,989 INFO L158 Benchmark]: BuchiAutomizer took 3405.94ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 45.4MB in the end (delta: 20.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-11-20 09:27:36,990 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 123.7MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:36,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.57ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 79.0MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.00ms. Allocated memory is still 123.7MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.78ms. Allocated memory is still 123.7MB. Free memory was 76.1MB in the beginning and 66.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3405.94ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 45.4MB in the end (delta: 20.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 123.7MB. Free memory is still 45.4MB. 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 unknown-#length-unknown[s] + -1 * s and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. 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, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital97 mio100 ax100 hnf100 lsp93 ukn70 mio100 lsp50 div215 bol100 ite100 ukn100 eq149 hnf94 smp59 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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 09:27:37,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:37,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_281f08d4-3eac-474e-8fcd-5152faa47467/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