./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY --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 9eb9364aba11d587c1c0c7aaba55178ecb567e9587bda48270a0861bd272aa34 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:08:03,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:08:03,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:08:03,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:08:03,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:08:03,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:08:03,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:08:03,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:08:03,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:08:03,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:08:03,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:08:03,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:08:03,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:08:03,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:08:03,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:08:03,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:08:03,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:08:03,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:08:03,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:08:03,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:08:03,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:08:03,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:08:03,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:08:03,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:08:03,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:08:03,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:08:03,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:08:03,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:08:03,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:08:03,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:08:03,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:08:03,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:08:03,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:08:03,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:08:03,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:08:03,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:08:03,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:08:03,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:08:03,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:08:03,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:08:03,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:08:03,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-07 08:08:03,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:08:03,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:08:03,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:08:03,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:08:03,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:08:03,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:08:03,873 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:08:03,873 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:08:03,874 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:08:03,874 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:08:03,874 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:08:03,875 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:08:03,875 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:08:03,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:08:03,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:08:03,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:08:03,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:08:03,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:08:03,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:08:03,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:08:03,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:08:03,878 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:08:03,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:08:03,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:08:03,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:08:03,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:08:03,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:08:03,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:08:03,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:08:03,881 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:08:03,882 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_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb9364aba11d587c1c0c7aaba55178ecb567e9587bda48270a0861bd272aa34 [2021-11-07 08:08:04,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:08:04,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:08:04,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:08:04,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:08:04,244 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:08:04,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i [2021-11-07 08:08:04,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/data/d874d879a/1096510dd1e24d95bb659c82a564aac8/FLAGad484129f [2021-11-07 08:08:04,932 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:08:04,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i [2021-11-07 08:08:04,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/data/d874d879a/1096510dd1e24d95bb659c82a564aac8/FLAGad484129f [2021-11-07 08:08:05,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/data/d874d879a/1096510dd1e24d95bb659c82a564aac8 [2021-11-07 08:08:05,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:08:05,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:08:05,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:08:05,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:08:05,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:08:05,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0a341c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05, skipping insertion in model container [2021-11-07 08:08:05,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:08:05,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:08:05,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:08:05,762 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:08:05,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:08:05,867 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:08:05,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05 WrapperNode [2021-11-07 08:08:05,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:08:05,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:08:05,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:08:05,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:08:05,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:08:05,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:08:05,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:08:05,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:08:05,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:05,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:08:05,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:08:05,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:08:05,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:08:05,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (1/1) ... [2021-11-07 08:08:06,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:06,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:06,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:08:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 08:08:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:08:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:08:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:08:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:08:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:08:06,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:08:06,425 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 08:08:06,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:08:06 BoogieIcfgContainer [2021-11-07 08:08:06,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:08:06,429 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:08:06,429 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:08:06,433 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:08:06,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:08:06,435 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:08:05" (1/3) ... [2021-11-07 08:08:06,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7ab667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:08:06, skipping insertion in model container [2021-11-07 08:08:06,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:08:06,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:08:05" (2/3) ... [2021-11-07 08:08:06,438 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7ab667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:08:06, skipping insertion in model container [2021-11-07 08:08:06,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:08:06,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:08:06" (3/3) ... [2021-11-07 08:08:06,440 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.04-alloca.i [2021-11-07 08:08:06,494 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:08:06,494 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:08:06,494 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:08:06,494 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:08:06,495 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:08:06,495 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:08:06,495 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:08:06,495 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:08:06,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:08:06,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-07 08:08:06,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:08:06,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:08:06,557 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 08:08:06,557 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 08:08:06,557 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:08:06,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:08:06,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-07 08:08:06,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:08:06,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:08:06,560 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 08:08:06,560 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 08:08:06,568 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11;test_fun_#in~x, test_fun_#in~y := main_#t~nondet9, main_#t~nondet10;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 6#L555-3true [2021-11-07 08:08:06,581 INFO L793 eck$LassoCheckResult]: Loop: 6#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem7, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem7; 6#L555-3true [2021-11-07 08:08:06,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:08:06,598 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-07 08:08:06,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:08:06,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514824527] [2021-11-07 08:08:06,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:08:06,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:08:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:08:06,778 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:08:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:08:06,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:08:06,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:08:06,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-11-07 08:08:06,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:08:06,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866759666] [2021-11-07 08:08:06,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:08:06,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:08:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:08:06,872 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:08:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:08:06,901 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:08:06,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:08:06,918 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-07 08:08:06,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:08:06,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271485328] [2021-11-07 08:08:06,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:08:06,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:08:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:08:06,972 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:08:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:08:07,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:08:08,223 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:08:08,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:08:08,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:08:08,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:08:08,224 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:08:08,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:08,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:08:08,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:08:08,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.04-alloca.i_Iteration1_Lasso [2021-11-07 08:08:08,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:08:08,226 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:08:08,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:08,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:08:09,294 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:08:09,300 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:08:09,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:08:09,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:08:09,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:08:09,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 08:08:09,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 08:08:09,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:08:09,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:08:09,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:08:09,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 08:08:09,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:09,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:09,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-07 08:08:09,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 08:08:09,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:08:09,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:08:09,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:08:09,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:09,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:09,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 08:08:09,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:09,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:09,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 08:08:09,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,761 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 08:08:09,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:09,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:09,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,843 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:08:09,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:08:09,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:08:09,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 08:08:09,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:09,922 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:09,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:09,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 08:08:09,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:09,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:09,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:09,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:09,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:09,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:09,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:09,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:09,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:09,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,000 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 08:08:10,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:08:10,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:08:10,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:08:10,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,056 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 08:08:10,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,129 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 08:08:10,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:08:10,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:08:10,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:08:10,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-07 08:08:10,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,173 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 08:08:10,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:08:10,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:08:10,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:08:10,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,243 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 08:08:10,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,317 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 08:08:10,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,397 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 08:08:10,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,493 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 08:08:10,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,579 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 08:08:10,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,658 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 08:08:10,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:08:10,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:10,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,762 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 08:08:10,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:08:10,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:08:10,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:08:10,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:08:10,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:08:10,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:08:10,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:08:10,817 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:08:10,882 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-07 08:08:10,882 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-11-07 08:08:10,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:08:10,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:08:10,886 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:08:10,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:08:10,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-07 08:08:10,943 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-07 08:08:10,943 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:08:10,944 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-11-07 08:08:11,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:11,107 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-11-07 08:08:11,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:08:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:08:11,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:08:11,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:08:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:08:11,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 08:08:11,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:08:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:08:11,313 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 08:08:11,314 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:08:11,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 23 transitions. Complement of second has 7 states. [2021-11-07 08:08:11,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-07 08:08:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:08:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-11-07 08:08:11,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-07 08:08:11,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:08:11,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-07 08:08:11,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:08:11,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-07 08:08:11,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:08:11,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2021-11-07 08:08:11,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:08:11,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-11-07 08:08:11,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-07 08:08:11,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-07 08:08:11,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-07 08:08:11,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:08:11,395 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:08:11,395 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:08:11,395 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:08:11,395 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 08:08:11,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:08:11,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:08:11,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-07 08:08:11,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:08:11 BoogieIcfgContainer [2021-11-07 08:08:11,403 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:08:11,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:08:11,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:08:11,404 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:08:11,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:08:06" (3/4) ... [2021-11-07 08:08:11,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:08:11,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:08:11,414 INFO L168 Benchmark]: Toolchain (without parser) took 6161.56 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 44.7 MB in the beginning and 40.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:08:11,415 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:08:11,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.90 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 44.6 MB in the beginning and 76.9 MB in the end (delta: -32.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:08:11,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.71 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 75.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:08:11,419 INFO L168 Benchmark]: Boogie Preprocessor took 54.67 ms. Allocated memory is still 104.9 MB. Free memory was 75.0 MB in the beginning and 73.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:08:11,426 INFO L168 Benchmark]: RCFGBuilder took 442.51 ms. Allocated memory is still 104.9 MB. Free memory was 73.5 MB in the beginning and 63.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:08:11,427 INFO L168 Benchmark]: BuchiAutomizer took 4974.01 ms. Allocated memory is still 104.9 MB. Free memory was 63.5 MB in the beginning and 41.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:08:11,427 INFO L168 Benchmark]: Witness Printer took 5.54 ms. Allocated memory is still 104.9 MB. Free memory was 41.2 MB in the beginning and 40.7 MB in the end (delta: 527.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:08:11,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.90 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 44.6 MB in the beginning and 76.9 MB in the end (delta: -32.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.71 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 75.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.67 ms. Allocated memory is still 104.9 MB. Free memory was 75.0 MB in the beginning and 73.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 442.51 ms. Allocated memory is still 104.9 MB. Free memory was 73.5 MB in the beginning and 63.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4974.01 ms. Allocated memory is still 104.9 MB. Free memory was 63.5 MB in the beginning and 41.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.54 ms. Allocated memory is still 104.9 MB. Free memory was 41.2 MB in the beginning and 40.7 MB in the end (delta: 527.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital250 mio100 ax107 hnf100 lsp89 ukn63 mio100 lsp36 div100 bol100 ite100 ukn100 eq178 hnf88 smp89 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-07 08:08:11,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-07 08:08:11,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35120ab5-96f0-4299-bb64-ac11c94fd712/bin/uautomizer-AkOaLMaTGY/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