./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 10:55:28,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:55:28,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:55:28,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:55:28,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:55:28,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:55:28,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:55:28,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:55:28,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:55:28,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:55:28,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:55:28,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:55:28,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:55:28,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:55:28,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:55:28,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:55:28,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:55:28,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:55:28,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:55:28,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:55:28,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:55:28,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:55:28,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:55:28,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:55:28,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:55:28,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:55:28,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:55:28,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:55:28,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:55:28,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:55:28,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:55:28,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:55:28,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:55:28,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:55:28,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:55:28,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:55:28,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:55:28,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:55:28,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:55:28,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:55:28,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:55:28,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:55:28,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:55:28,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:55:28,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:55:28,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:55:28,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:55:28,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:55:28,713 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:55:28,714 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:55:28,714 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:55:28,714 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:55:28,715 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:55:28,715 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:55:28,716 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:55:28,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:55:28,716 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:55:28,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:55:28,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:55:28,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:55:28,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:55:28,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:55:28,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:55:28,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:55:28,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:55:28,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:55:28,721 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:55:28,721 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:55:28,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:55:28,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:55:28,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:55:28,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:55:28,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:55:28,724 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:55:28,725 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_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 092a946b6422703b24f2f29cdd90520b88845f5a5cf31cd89857d48af412e152 [2022-11-20 10:55:29,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:55:29,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:55:29,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:55:29,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:55:29,041 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:55:29,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-regression/test16.c [2022-11-20 10:55:32,092 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:55:32,282 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:55:32,282 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/sv-benchmarks/c/ldv-regression/test16.c [2022-11-20 10:55:32,301 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/data/590616a53/919bddd357a14572829954475dcc934c/FLAG7b18e45b0 [2022-11-20 10:55:32,316 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/data/590616a53/919bddd357a14572829954475dcc934c [2022-11-20 10:55:32,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:55:32,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:55:32,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:55:32,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:55:32,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:55:32,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202eb751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32, skipping insertion in model container [2022-11-20 10:55:32,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:55:32,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:55:32,502 WARN L237 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_ea2025e3-de8b-4466-abb0-02e4795bec41/sv-benchmarks/c/ldv-regression/test16.c[379,392] [2022-11-20 10:55:32,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:55:32,516 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:55:32,528 WARN L237 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_ea2025e3-de8b-4466-abb0-02e4795bec41/sv-benchmarks/c/ldv-regression/test16.c[379,392] [2022-11-20 10:55:32,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:55:32,541 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:55:32,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32 WrapperNode [2022-11-20 10:55:32,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:55:32,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:55:32,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:55:32,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:55:32,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,584 INFO L138 Inliner]: procedures = 12, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-11-20 10:55:32,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:55:32,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:55:32,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:55:32,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:55:32,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:55:32,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:55:32,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:55:32,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:55:32,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (1/1) ... [2022-11-20 10:55:32,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:55:32,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:55:32,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:55:32,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:55:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:55:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:55:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:55:32,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:55:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:55:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:55:32,788 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:55:32,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:55:32,937 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:55:32,944 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:55:32,945 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:55:32,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:32 BoogieIcfgContainer [2022-11-20 10:55:32,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:55:32,948 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:55:32,948 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:55:32,953 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:55:32,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:55:32,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:55:32" (1/3) ... [2022-11-20 10:55:32,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38a36328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:55:32, skipping insertion in model container [2022-11-20 10:55:32,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:55:32,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:55:32" (2/3) ... [2022-11-20 10:55:32,956 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38a36328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:55:32, skipping insertion in model container [2022-11-20 10:55:32,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:55:32,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:32" (3/3) ... [2022-11-20 10:55:32,958 INFO L332 chiAutomizerObserver]: Analyzing ICFG test16.c [2022-11-20 10:55:33,013 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:55:33,013 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:55:33,013 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:55:33,014 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:55:33,014 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:55:33,014 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:55:33,014 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:55:33,014 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:55:33,018 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) [2022-11-20 10:55:33,044 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:55:33,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:55:33,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:55:33 BoogieIcfgContainer [2022-11-20 10:55:33,062 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:55:33,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:55:33,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:55:33,063 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:55:33,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:55:32" (3/4) ... [2022-11-20 10:55:33,066 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:55:33,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:55:33,082 INFO L158 Benchmark]: Toolchain (without parser) took 758.46ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 69.8MB in the beginning and 142.7MB in the end (delta: -72.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:55:33,083 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 136.3MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:55:33,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.56ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 69.7MB in the beginning and 141.6MB in the end (delta: -72.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-20 10:55:33,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.76ms. Allocated memory is still 174.1MB. Free memory was 141.6MB in the beginning and 140.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:55:33,085 INFO L158 Benchmark]: Boogie Preprocessor took 29.69ms. Allocated memory is still 174.1MB. Free memory was 140.4MB in the beginning and 139.5MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:55:33,086 INFO L158 Benchmark]: RCFGBuilder took 328.53ms. Allocated memory is still 174.1MB. Free memory was 139.5MB in the beginning and 128.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:55:33,087 INFO L158 Benchmark]: BuchiAutomizer took 113.84ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 142.7MB in the end (delta: -15.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-20 10:55:33,087 INFO L158 Benchmark]: Witness Printer took 17.97ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:55:33,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 136.3MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.56ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 69.7MB in the beginning and 141.6MB in the end (delta: -72.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.76ms. Allocated memory is still 174.1MB. Free memory was 141.6MB in the beginning and 140.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.69ms. Allocated memory is still 174.1MB. Free memory was 140.4MB in the beginning and 139.5MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.53ms. Allocated memory is still 174.1MB. Free memory was 139.5MB in the beginning and 128.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 113.84ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 142.7MB in the end (delta: -15.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 17.97ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. 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! [2022-11-20 10:55:33,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2025e3-de8b-4466-abb0-02e4795bec41/bin/uautomizer-ug76WZFUDN/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