./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be --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 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:17:44,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:17:44,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:17:44,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:17:44,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:17:44,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:17:44,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:17:44,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:17:44,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:17:44,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:17:45,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:17:45,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:17:45,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:17:45,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:17:45,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:17:45,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:17:45,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:17:45,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:17:45,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:17:45,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:17:45,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:17:45,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:17:45,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:17:45,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:17:45,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:17:45,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:17:45,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:17:45,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:17:45,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:17:45,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:17:45,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:17:45,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:17:45,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:17:45,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:17:45,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:17:45,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:17:45,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:17:45,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:17:45,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:17:45,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:17:45,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:17:45,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:17:45,100 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:17:45,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:17:45,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:17:45,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:17:45,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:17:45,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:17:45,103 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:17:45,103 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:17:45,103 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:17:45,103 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:17:45,104 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:17:45,104 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:17:45,104 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:17:45,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:17:45,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:17:45,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:17:45,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:17:45,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:17:45,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:17:45,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:17:45,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:17:45,106 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:17:45,106 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:17:45,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:17:45,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:17:45,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:17:45,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:17:45,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:17:45,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:17:45,109 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:17:45,109 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_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2021-10-21 19:17:45,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:17:45,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:17:45,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:17:45,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:17:45,477 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:17:45,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-21 19:17:45,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/data/a18315989/3e4dca7611fe404f9ec455314ed0e6cd/FLAG065486094 [2021-10-21 19:17:46,164 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:17:46,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-21 19:17:46,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/data/a18315989/3e4dca7611fe404f9ec455314ed0e6cd/FLAG065486094 [2021-10-21 19:17:46,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/data/a18315989/3e4dca7611fe404f9ec455314ed0e6cd [2021-10-21 19:17:46,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:17:46,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:17:46,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:17:46,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:17:46,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:17:46,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f60977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46, skipping insertion in model container [2021-10-21 19:17:46,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:17:46,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:17:46,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:17:46,800 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:17:46,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:17:46,834 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:17:46,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46 WrapperNode [2021-10-21 19:17:46,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:17:46,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:17:46,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:17:46,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:17:46,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:17:46,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:17:46,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:17:46,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:17:46,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:17:46,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:17:46,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:17:46,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:17:46,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (1/1) ... [2021-10-21 19:17:46,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:46,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:46,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:46,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:17:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:17:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:17:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:17:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:17:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:17:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:17:47,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:17:47,163 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 19:17:47,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:17:47 BoogieIcfgContainer [2021-10-21 19:17:47,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:17:47,166 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:17:47,166 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:17:47,169 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:17:47,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:17:47,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:17:46" (1/3) ... [2021-10-21 19:17:47,172 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73d4fed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:17:47, skipping insertion in model container [2021-10-21 19:17:47,172 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:17:47,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:17:46" (2/3) ... [2021-10-21 19:17:47,172 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73d4fed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:17:47, skipping insertion in model container [2021-10-21 19:17:47,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:17:47,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:17:47" (3/3) ... [2021-10-21 19:17:47,174 INFO L389 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-3.c [2021-10-21 19:17:47,228 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:17:47,228 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:17:47,228 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:17:47,229 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:17:47,229 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:17:47,229 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:17:47,229 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:17:47,229 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:17:47,245 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) [2021-10-21 19:17:47,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:17:47,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:17:47,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:17:47,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:17:47,272 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:17:47,273 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:17:47,273 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) [2021-10-21 19:17:47,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:17:47,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:17:47,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:17:47,275 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:17:47,275 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:17:47,282 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;havoc main_#t~malloc0.base, main_#t~malloc0.offset; 6#L15-3true [2021-10-21 19:17:47,283 INFO L793 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem1 := read~int(main_~p~0.base, main_~p~0.offset, 4); 7#L15-1true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(main_#t~post3 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem2;havoc main_#t~post3; 6#L15-3true [2021-10-21 19:17:47,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:17:47,290 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:17:47,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:17:47,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217931023] [2021-10-21 19:17:47,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:17:47,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:17:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:17:47,404 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:17:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:17:47,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:17:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:17:47,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-10-21 19:17:47,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:17:47,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654692964] [2021-10-21 19:17:47,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:17:47,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:17:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:17:47,453 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:17:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:17:47,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:17:47,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:17:47,468 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-21 19:17:47,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:17:47,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487893571] [2021-10-21 19:17:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:17:47,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:17:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:17:47,490 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:17:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:17:47,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:17:47,823 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:17:47,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:17:47,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:17:47,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:17:47,825 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:17:47,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:47,826 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:17:47,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:17:47,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-3.c_Iteration1_Lasso [2021-10-21 19:17:47,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:17:47,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:17:47,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:47,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:47,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:47,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:47,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:47,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:47,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:47,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:48,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:17:48,198 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:17:48,203 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:17:48,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:17:48,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:17:48,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:17:48,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:17:48,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:48,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:17:48,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:17:48,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:17:48,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:17:48,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:48,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:17:48,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:17:48,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:17:48,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:17:48,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:48,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:17:48,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:17:48,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:17:48,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:48,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,515 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:17:48,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:17:48,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:17:48,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:17:48,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:48,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,571 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:17:48,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:17:48,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:17:48,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:17:48,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:48,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,656 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:17:48,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:17:48,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:17:48,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:48,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:17:48,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:17:48,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:17:48,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:17:48,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 19:17:48,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,788 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:17:48,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:17:48,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:17:48,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:17:48,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:17:48,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:17:48,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:17:48,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:17:48,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:17:48,820 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:17:48,839 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:17:48,839 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:17:48,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:17:48,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:17:48,851 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:17:48,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:17:48,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:17:48,856 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:17:48,856 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:17:48,856 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2021-10-21 19:17:48,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-21 19:17:48,886 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-21 19:17:48,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:17:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:17:48,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:17:48,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:17:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:17:48,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:17:48,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:17:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:17:48,988 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:17:48,990 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) [2021-10-21 19:17:49,036 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. [2021-10-21 19:17:49,037 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 [2021-10-21 19:17:49,038 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) [2021-10-21 19:17:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-10-21 19:17:49,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-21 19:17:49,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:17:49,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 19:17:49,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:17:49,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-21 19:17:49,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:17:49,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2021-10-21 19:17:49,044 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:17:49,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-21 19:17:49,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:17:49,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:17:49,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:17:49,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:17:49,049 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:17:49,049 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:17:49,049 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:17:49,049 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:17:49,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:17:49,049 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:17:49,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:17:49,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:17:49 BoogieIcfgContainer [2021-10-21 19:17:49,065 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:17:49,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:17:49,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:17:49,066 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:17:49,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:17:47" (3/4) ... [2021-10-21 19:17:49,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:17:49,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:17:49,072 INFO L168 Benchmark]: Toolchain (without parser) took 2517.37 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 65.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:17:49,072 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:17:49,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.76 ms. Allocated memory is still 117.4 MB. Free memory was 89.2 MB in the beginning and 80.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:17:49,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.58 ms. Allocated memory is still 117.4 MB. Free memory was 80.5 MB in the beginning and 79.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:17:49,078 INFO L168 Benchmark]: Boogie Preprocessor took 22.57 ms. Allocated memory is still 117.4 MB. Free memory was 79.2 MB in the beginning and 78.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:17:49,082 INFO L168 Benchmark]: RCFGBuilder took 249.72 ms. Allocated memory is still 117.4 MB. Free memory was 78.1 MB in the beginning and 69.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:17:49,083 INFO L168 Benchmark]: BuchiAutomizer took 1899.00 ms. Allocated memory is still 117.4 MB. Free memory was 69.4 MB in the beginning and 65.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:17:49,083 INFO L168 Benchmark]: Witness Printer took 4.26 ms. Allocated memory is still 117.4 MB. Free memory was 65.8 MB in the beginning and 65.5 MB in the end (delta: 312.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:17:49,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.76 ms. Allocated memory is still 117.4 MB. Free memory was 89.2 MB in the beginning and 80.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.58 ms. Allocated memory is still 117.4 MB. Free memory was 80.5 MB in the beginning and 79.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.57 ms. Allocated memory is still 117.4 MB. Free memory was 79.2 MB in the beginning and 78.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 249.72 ms. Allocated memory is still 117.4 MB. Free memory was 78.1 MB in the beginning and 69.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1899.00 ms. Allocated memory is still 117.4 MB. Free memory was 69.4 MB in the beginning and 65.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.26 ms. Allocated memory is still 117.4 MB. Free memory was 65.8 MB in the beginning and 65.5 MB in the end (delta: 312.1 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 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: 4 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital83 mio100 ax100 hnf100 lsp92 ukn55 mio100 lsp37 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf109 smp91 tf100 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:17:49,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:17:49,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35776f0d-9f3c-426b-af17-afc509f2add1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...