./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX --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 a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:32:45,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:32:45,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:32:45,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:32:45,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:32:45,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:32:45,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:32:45,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:32:45,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:32:45,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:32:45,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:32:45,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:32:45,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:32:45,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:32:45,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:32:45,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:32:45,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:32:45,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:32:45,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:32:45,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:32:45,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:32:45,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:32:45,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:32:45,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:32:45,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:32:45,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:32:45,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:32:45,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:32:45,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:32:45,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:32:45,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:32:45,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:32:45,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:32:45,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:32:45,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:32:45,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:32:45,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:32:45,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:32:45,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:32:45,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:32:45,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:32:45,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 09:32:45,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:32:45,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:32:45,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:32:45,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:32:45,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:32:45,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:32:45,946 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:32:45,946 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:32:45,947 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:32:45,947 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:32:45,947 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:32:45,947 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:32:45,947 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:32:45,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:32:45,948 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:32:45,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:32:45,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:32:45,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:32:45,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:32:45,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:32:45,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:32:45,949 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:32:45,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:32:45,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:32:45,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:32:45,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:32:45,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:32:45,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:32:45,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:32:45,952 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:32:45,952 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_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 [2021-11-09 09:32:46,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:32:46,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:32:46,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:32:46,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:32:46,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:32:46,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-crafted/Madrid.c [2021-11-09 09:32:46,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/data/41369776e/1577360ef770450ea170c8fd3a5bef4a/FLAG2188c1337 [2021-11-09 09:32:46,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:32:46,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/sv-benchmarks/c/termination-crafted/Madrid.c [2021-11-09 09:32:46,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/data/41369776e/1577360ef770450ea170c8fd3a5bef4a/FLAG2188c1337 [2021-11-09 09:32:47,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/data/41369776e/1577360ef770450ea170c8fd3a5bef4a [2021-11-09 09:32:47,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:32:47,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:32:47,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:32:47,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:32:47,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:32:47,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1799e35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47, skipping insertion in model container [2021-11-09 09:32:47,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:32:47,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:32:47,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:32:47,426 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:32:47,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:32:47,448 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:32:47,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47 WrapperNode [2021-11-09 09:32:47,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:32:47,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:32:47,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:32:47,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:32:47,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:32:47,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:32:47,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:32:47,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:32:47,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:32:47,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:32:47,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:32:47,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:32:47,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (1/1) ... [2021-11-09 09:32:47,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:32:47,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:32:47,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:32:47,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:32:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:32:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:32:47,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:32:47,692 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-09 09:32:47,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:32:47 BoogieIcfgContainer [2021-11-09 09:32:47,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:32:47,696 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:32:47,696 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:32:47,702 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:32:47,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:32:47,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:32:47" (1/3) ... [2021-11-09 09:32:47,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143425cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:32:47, skipping insertion in model container [2021-11-09 09:32:47,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:32:47,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:32:47" (2/3) ... [2021-11-09 09:32:47,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@143425cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:32:47, skipping insertion in model container [2021-11-09 09:32:47,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:32:47,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:32:47" (3/3) ... [2021-11-09 09:32:47,708 INFO L389 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2021-11-09 09:32:47,752 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:32:47,752 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:32:47,752 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:32:47,752 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:32:47,753 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:32:47,753 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:32:47,753 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:32:47,753 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:32:47,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:32:47,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-09 09:32:47,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:32:47,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:32:47,790 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-09 09:32:47,790 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-09 09:32:47,790 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:32:47,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:32:47,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-09 09:32:47,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:32:47,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:32:47,792 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-09 09:32:47,793 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-09 09:32:47,800 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0;havoc main_~x~0;main_~x~0 := 7; 6#L14-2true [2021-11-09 09:32:47,801 INFO L793 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0 := 2; 6#L14-2true [2021-11-09 09:32:47,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:32:47,808 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-11-09 09:32:47,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:32:47,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590695279] [2021-11-09 09:32:47,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:32:47,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:32:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:32:47,912 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:32:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:32:47,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:32:47,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:32:47,940 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-11-09 09:32:47,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:32:47,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388886748] [2021-11-09 09:32:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:32:47,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:32:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:32:47,948 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:32:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:32:47,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:32:47,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:32:47,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-11-09 09:32:47,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:32:47,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127521759] [2021-11-09 09:32:47,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:32:47,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:32:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:32:47,962 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:32:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:32:47,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:32:48,053 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:32:48,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:32:48,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:32:48,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:32:48,055 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 09:32:48,055 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:32:48,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:32:48,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:32:48,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2021-11-09 09:32:48,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:32:48,056 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:32:48,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:32:48,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:32:48,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:32:48,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:32:48,202 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:32:48,203 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 09:32:48,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:32:48,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:32:48,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:32:48,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:32:48,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:32:48,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:32:48,246 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 09:32:48,246 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 09:32:48,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:32:48,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:32:48,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:32:48,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:32:48,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:32:48,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:32:48,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:32:48,338 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 09:32:48,338 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 09:32:48,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:32:48,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:32:48,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:32:48,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:32:48,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:32:48,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:32:48,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:32:48,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 09:32:48,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 09:32:48,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:32:48,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:32:48,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:32:48,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:32:48,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:32:48,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:32:48,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:32:48,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:32:48,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:32:48,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:32:48,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:32:48,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 09:32:48,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:32:48,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 09:32:48,572 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 09:32:48,573 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=-6}] Lambdas: [2, 6, 0] Nus: [0, 1] [2021-11-09 09:32:48,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:32:48,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:32:48 BoogieIcfgContainer [2021-11-09 09:32:48,625 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:32:48,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:32:48,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:32:48,628 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:32:48,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:32:47" (3/4) ... [2021-11-09 09:32:48,631 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-09 09:32:48,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 09:32:48,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:32:48,666 INFO L168 Benchmark]: Toolchain (without parser) took 1412.74 ms. Allocated memory is still 115.3 MB. Free memory was 91.5 MB in the beginning and 45.6 MB in the end (delta: 45.9 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:32:48,667 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:32:48,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.93 ms. Allocated memory is still 115.3 MB. Free memory was 91.2 MB in the beginning and 83.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:32:48,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.05 ms. Allocated memory is still 115.3 MB. Free memory was 83.0 MB in the beginning and 81.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:32:48,669 INFO L168 Benchmark]: Boogie Preprocessor took 16.32 ms. Allocated memory is still 115.3 MB. Free memory was 81.7 MB in the beginning and 80.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:32:48,670 INFO L168 Benchmark]: RCFGBuilder took 198.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 73.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:32:48,674 INFO L168 Benchmark]: BuchiAutomizer took 929.53 ms. Allocated memory is still 115.3 MB. Free memory was 73.5 MB in the beginning and 47.2 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:32:48,674 INFO L168 Benchmark]: Witness Printer took 37.93 ms. Allocated memory is still 115.3 MB. Free memory was 47.2 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:32:48,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 194.93 ms. Allocated memory is still 115.3 MB. Free memory was 91.2 MB in the beginning and 83.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.05 ms. Allocated memory is still 115.3 MB. Free memory was 83.0 MB in the beginning and 81.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.32 ms. Allocated memory is still 115.3 MB. Free memory was 81.7 MB in the beginning and 80.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 198.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 73.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 929.53 ms. Allocated memory is still 115.3 MB. Free memory was 73.5 MB in the beginning and 47.2 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 37.93 ms. Allocated memory is still 115.3 MB. Free memory was 47.2 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital6 mio100 ax333 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2021-11-09 09:32:48,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,692 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,692 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,692 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,693 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2021-11-09 09:32:48,693 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2021-11-09 09:32:48,693 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {\result=0, ~unnamed0~0~true=1, x=0, ~unnamed0~0~false=0} State at position 1 is {\result=0, ~unnamed0~0~true=1, x=7, ~unnamed0~0~false=0} For i>1, the state at position i is {\result=0 + sum_{k=0}^i 0, ~unnamed0~0~true=1 + sum_{k=0}^i 0, x=7 + sum_{k=0}^i 1*6^k + -6*0^k + -6*k*6^(k-1), ~unnamed0~0~false=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [2, 6, 0] Mus: [0, 1] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = 7 Loop: [L14] COND TRUE \read(true) [L15] x = 2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-09 09:32:48,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbde20a2-90d5-4281-b77d-afd45d7cc7c4/bin/uautomizer-IVEQpCNsaX/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)