./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8 --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 32bit --witnessprinter.graph.data.programhash 092a946b6422703b24f2f29cdd90520b88845f5a5cf31cd89857d48af412e152 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:43:14,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:43:14,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:43:14,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:43:14,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:43:14,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:43:14,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:43:14,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:43:14,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:43:14,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:43:14,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:43:14,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:43:14,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:43:14,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:43:14,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:43:14,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:43:14,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:43:14,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:43:14,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:43:14,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:43:14,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:43:14,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:43:14,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:43:14,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:43:14,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:43:14,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:43:14,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:43:14,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:43:14,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:43:14,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:43:14,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:43:14,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:43:14,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:43:14,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:43:14,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:43:14,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:43:14,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:43:14,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:43:14,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:43:14,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:43:14,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:43:14,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:43:14,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:43:14,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:43:14,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:43:14,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:43:14,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:43:14,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:43:14,642 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:43:14,642 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:43:14,642 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:43:14,645 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:43:14,646 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:43:14,646 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:43:14,646 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:43:14,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:43:14,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:43:14,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:43:14,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:43:14,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:43:14,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:43:14,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:43:14,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:43:14,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:43:14,648 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:43:14,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:43:14,650 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:43:14,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:43:14,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:43:14,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:43:14,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:43:14,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:43:14,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:43:14,657 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:43:14,658 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_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 092a946b6422703b24f2f29cdd90520b88845f5a5cf31cd89857d48af412e152 [2022-11-16 11:43:14,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:43:14,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:43:14,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:43:14,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:43:14,984 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:43:14,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-regression/test16.c [2022-11-16 11:43:15,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/data/633532287/17a31f37f1454c978a6b5d3c90eaf82c/FLAG64456768f [2022-11-16 11:43:15,515 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:43:15,516 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/sv-benchmarks/c/ldv-regression/test16.c [2022-11-16 11:43:15,521 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/data/633532287/17a31f37f1454c978a6b5d3c90eaf82c/FLAG64456768f [2022-11-16 11:43:15,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/data/633532287/17a31f37f1454c978a6b5d3c90eaf82c [2022-11-16 11:43:15,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:43:15,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:43:15,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:15,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:43:15,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:43:15,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:15" (1/1) ... [2022-11-16 11:43:15,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6435649c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:15, skipping insertion in model container [2022-11-16 11:43:15,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:15" (1/1) ... [2022-11-16 11:43:15,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:43:15,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:43:16,120 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/sv-benchmarks/c/ldv-regression/test16.c[379,392] [2022-11-16 11:43:16,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:16,141 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:43:16,152 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/sv-benchmarks/c/ldv-regression/test16.c[379,392] [2022-11-16 11:43:16,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:16,167 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:43:16,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16 WrapperNode [2022-11-16 11:43:16,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:16,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:16,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:43:16,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:43:16,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,201 INFO L138 Inliner]: procedures = 12, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-11-16 11:43:16,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:16,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:43:16,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:43:16,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:43:16,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,220 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:43:16,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:43:16,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:43:16,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:43:16,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (1/1) ... [2022-11-16 11:43:16,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:43:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:43:16,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:43:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:43:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:43:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:43:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:43:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:43:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:43:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:43:16,383 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:43:16,385 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:43:16,507 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:43:16,513 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:43:16,513 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:43:16,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:16 BoogieIcfgContainer [2022-11-16 11:43:16,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:43:16,516 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:43:16,516 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:43:16,520 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:43:16,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:43:16,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:43:15" (1/3) ... [2022-11-16 11:43:16,522 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@128bbc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:43:16, skipping insertion in model container [2022-11-16 11:43:16,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:43:16,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:16" (2/3) ... [2022-11-16 11:43:16,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@128bbc3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:43:16, skipping insertion in model container [2022-11-16 11:43:16,523 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:43:16,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:16" (3/3) ... [2022-11-16 11:43:16,525 INFO L332 chiAutomizerObserver]: Analyzing ICFG test16.c [2022-11-16 11:43:16,580 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:43:16,580 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:43:16,581 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:43:16,581 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:43:16,581 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:43:16,581 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:43:16,581 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:43:16,581 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:43:16,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-11-16 11:43:16,604 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:43:16,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:43:16,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:43:16 BoogieIcfgContainer [2022-11-16 11:43:16,610 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:43:16,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:43:16,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:43:16,611 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:43:16,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:16" (3/4) ... [2022-11-16 11:43:16,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:43:16,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:43:16,617 INFO L158 Benchmark]: Toolchain (without parser) took 720.34ms. Allocated memory is still 104.9MB. Free memory was 60.4MB in the beginning and 61.4MB in the end (delta: -980.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:43:16,618 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:43:16,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.22ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 79.7MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:43:16,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.24ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:43:16,620 INFO L158 Benchmark]: Boogie Preprocessor took 20.84ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 876.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:43:16,621 INFO L158 Benchmark]: RCFGBuilder took 292.05ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 66.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:43:16,622 INFO L158 Benchmark]: BuchiAutomizer took 94.48ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 61.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:43:16,623 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 104.9MB. Free memory was 61.7MB in the beginning and 61.4MB in the end (delta: 275.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:43:16,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.22ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 79.7MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.24ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 78.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.84ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 876.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.05ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 66.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 94.48ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 61.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 104.9MB. Free memory was 61.7MB in the beginning and 61.4MB in the end (delta: 275.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. 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: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:43:16,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da1a8b65-6b26-4961-a902-b862c91a1dde/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE