./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL --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 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:14:09,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:14:09,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:14:09,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:14:09,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:14:09,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:14:09,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:14:09,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:14:09,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:14:09,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:14:09,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:14:09,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:14:09,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:14:09,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:14:09,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:14:09,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:14:09,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:14:09,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:14:09,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:14:09,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:14:09,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:14:09,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:14:09,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:14:09,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:14:09,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:14:09,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:14:09,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:14:09,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:14:09,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:14:09,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:14:09,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:14:09,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:14:09,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:14:09,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:14:09,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:14:09,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:14:09,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:14:09,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:14:09,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:14:09,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:14:09,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:14:09,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-19 05:14:09,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:14:09,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:14:09,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:14:09,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:14:09,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:14:09,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:14:09,261 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:14:09,261 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 05:14:09,261 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 05:14:09,261 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 05:14:09,263 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 05:14:09,263 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 05:14:09,263 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 05:14:09,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:14:09,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:14:09,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:14:09,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:14:09,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 05:14:09,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 05:14:09,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 05:14:09,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:14:09,265 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 05:14:09,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:14:09,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 05:14:09,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:14:09,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:14:09,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:14:09,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:14:09,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:14:09,270 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 05:14:09,271 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_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2021-11-19 05:14:09,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:14:09,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:14:09,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:14:09,610 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:14:09,610 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:14:09,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-11-19 05:14:09,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/data/17b5e5de6/fe5cc85f2781477caab7a478bb67e27d/FLAGad757c813 [2021-11-19 05:14:10,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:14:10,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-11-19 05:14:10,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/data/17b5e5de6/fe5cc85f2781477caab7a478bb67e27d/FLAGad757c813 [2021-11-19 05:14:10,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/data/17b5e5de6/fe5cc85f2781477caab7a478bb67e27d [2021-11-19 05:14:10,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:14:10,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:14:10,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:14:10,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:14:10,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:14:10,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6084450e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10, skipping insertion in model container [2021-11-19 05:14:10,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:14:10,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:14:10,754 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:14:10,762 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:14:10,773 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:14:10,785 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:14:10,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10 WrapperNode [2021-11-19 05:14:10,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:14:10,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:14:10,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:14:10,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:14:10,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,817 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-19 05:14:10,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:14:10,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:14:10,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:14:10,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:14:10,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:14:10,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:14:10,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:14:10,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:14:10,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (1/1) ... [2021-11-19 05:14:10,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:10,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:10,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:10,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 05:14:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:14:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:14:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:14:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:14:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:14:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:14:10,999 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:14:11,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:14:11,086 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:14:11,090 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:14:11,091 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 05:14:11,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:11 BoogieIcfgContainer [2021-11-19 05:14:11,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:14:11,094 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 05:14:11,094 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 05:14:11,099 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 05:14:11,100 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:14:11,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 05:14:10" (1/3) ... [2021-11-19 05:14:11,101 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20e16b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:14:11, skipping insertion in model container [2021-11-19 05:14:11,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:14:11,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:10" (2/3) ... [2021-11-19 05:14:11,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20e16b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:14:11, skipping insertion in model container [2021-11-19 05:14:11,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:14:11,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:11" (3/3) ... [2021-11-19 05:14:11,104 INFO L388 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-3.c [2021-11-19 05:14:11,148 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 05:14:11,148 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 05:14:11,148 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 05:14:11,149 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 05:14:11,149 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 05:14:11,149 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 05:14:11,149 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 05:14:11,149 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 05:14:11,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-11-19 05:14:11,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:14:11,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:14:11,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:14:11,190 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 05:14:11,190 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 05:14:11,190 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 05:14:11,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-11-19 05:14:11,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-19 05:14:11,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:14:11,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:14:11,192 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 05:14:11,192 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-19 05:14:11,199 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~mem2#1, main_#t~post3#1, main_#t~mem1#1, main_~p~0#1.base, main_~p~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnHeap(4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset; 6#L15-3true [2021-11-19 05:14:11,200 INFO L793 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem1#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 7#L15-1true assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post3#1 := main_#t~mem2#1;call write~int(main_#t~post3#1 - 1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem2#1;havoc main_#t~post3#1; 6#L15-3true [2021-11-19 05:14:11,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:14:11,206 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-19 05:14:11,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:14:11,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734047533] [2021-11-19 05:14:11,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:14:11,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:14:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:14:11,300 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:14:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:14:11,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:14:11,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:14:11,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-11-19 05:14:11,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:14:11,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134546125] [2021-11-19 05:14:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:14:11,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:14:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:14:11,344 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:14:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:14:11,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:14:11,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:14:11,357 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-19 05:14:11,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:14:11,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796612843] [2021-11-19 05:14:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:14:11,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:14:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:14:11,377 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:14:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:14:11,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:14:11,686 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:14:11,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:14:11,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:14:11,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:14:11,687 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:14:11,688 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:11,688 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:14:11,688 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:14:11,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-3.c_Iteration1_Lasso [2021-11-19 05:14:11,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:14:11,689 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:14:11,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:11,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:14:12,102 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:14:12,107 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:14:12,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:12,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:12,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:12,125 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 [2021-11-19 05:14:12,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-19 05:14:12,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:14:12,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:14:12,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:14:12,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:14:12,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:14:12,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:14:12,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:14:12,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:14:12,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:12,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:12,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:12,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-19 05:14:12,222 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 [2021-11-19 05:14:12,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:14:12,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:14:12,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:14:12,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:14:12,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:14:12,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:14:12,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:14:12,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-19 05:14:12,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:12,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:12,293 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:12,306 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 [2021-11-19 05:14:12,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-19 05:14:12,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:14:12,315 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-19 05:14:12,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:14:12,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:14:12,320 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-19 05:14:12,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:14:12,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:14:12,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:14:12,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:12,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:12,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:12,384 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 [2021-11-19 05:14:12,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:14:12,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:14:12,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:14:12,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:14:12,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:14:12,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:14:12,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-19 05:14:12,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:14:12,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-19 05:14:12,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:12,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:12,458 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:12,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-19 05:14:12,465 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 [2021-11-19 05:14:12,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:14:12,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:14:12,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:14:12,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:14:12,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-19 05:14:12,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-19 05:14:12,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:14:12,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:14:12,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:12,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:12,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:12,554 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 [2021-11-19 05:14:12,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:14:12,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:14:12,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:14:12,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:14:12,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:14:12,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:14:12,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:14:12,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-19 05:14:12,568 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:14:12,573 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-19 05:14:12,574 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:14:12,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:14:12,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:14:12,576 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:14:12,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-19 05:14:12,578 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:14:12,578 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:14:12,578 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:14:12,579 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1 + 1 Supporting invariants [] [2021-11-19 05:14:12,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:14:12,611 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-19 05:14:12,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:14:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:14:12,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:14:12,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:14:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:14:12,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:14:12,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:14:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:14:12,742 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 [2021-11-19 05:14:12,744 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-11-19 05:14:12,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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 18 states and 20 transitions. Complement of second has 7 states. [2021-11-19 05:14:12,794 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 [2021-11-19 05:14:12,799 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) [2021-11-19 05:14:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-11-19 05:14:12,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-19 05:14:12,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:14:12,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-19 05:14:12,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:14:12,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-19 05:14:12,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:14:12,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2021-11-19 05:14:12,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:14:12,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-11-19 05:14:12,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 05:14:12,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 05:14:12,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 05:14:12,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:14:12,813 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:14:12,813 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:14:12,814 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:14:12,814 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 05:14:12,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:14:12,814 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:14:12,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 05:14:12,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 05:14:12 BoogieIcfgContainer [2021-11-19 05:14:12,822 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 05:14:12,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:14:12,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:14:12,824 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:14:12,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:11" (3/4) ... [2021-11-19 05:14:12,828 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:14:12,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:14:12,829 INFO L158 Benchmark]: Toolchain (without parser) took 2282.76ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 52.4MB in the end (delta: 10.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-19 05:14:12,831 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:14:12,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.39ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 76.2MB in the end (delta: -13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:14:12,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.04ms. Allocated memory is still 98.6MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:14:12,840 INFO L158 Benchmark]: Boogie Preprocessor took 17.72ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 73.6MB in the end (delta: 912.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:14:12,842 INFO L158 Benchmark]: RCFGBuilder took 256.54ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 65.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:14:12,843 INFO L158 Benchmark]: BuchiAutomizer took 1728.32ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 52.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:14:12,843 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:14:12,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.39ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 76.2MB in the end (delta: -13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.04ms. Allocated memory is still 98.6MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.72ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 73.6MB in the end (delta: 912.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.54ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 65.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1728.32ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 52.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp92 ukn60 mio100 lsp34 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf109 smp91 tf100 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-19 05:14:12,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:14:13,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74c43fdc-21c2-4b44-9d27-e7a53bde390e/bin/uautomizer-ZXIjhQolGL/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