./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_union.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_union.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0 --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 1c161d4585e44025dff37c27d4a80cfc33b46019f94633af3ad2ed91db249db8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:58:14,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:58:14,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:58:14,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:58:14,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:58:14,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:58:14,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:58:14,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:58:14,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:58:14,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:58:14,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:58:14,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:58:14,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:58:14,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:58:14,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:58:14,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:58:14,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:58:14,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:58:14,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:58:14,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:58:14,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:58:14,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:58:14,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:58:14,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:58:15,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:58:15,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:58:15,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:58:15,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:58:15,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:58:15,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:58:15,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:58:15,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:58:15,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:58:15,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:58:15,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:58:15,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:58:15,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:58:15,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:58:15,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:58:15,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:58:15,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:58:15,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 14:58:15,095 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:58:15,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:58:15,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:58:15,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:58:15,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:58:15,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:58:15,110 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:58:15,110 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:58:15,111 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:58:15,111 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:58:15,112 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:58:15,113 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:58:15,113 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:58:15,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:58:15,114 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:58:15,114 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:58:15,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:58:15,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:58:15,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:58:15,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:58:15,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:58:15,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:58:15,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:58:15,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:58:15,117 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:58:15,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:58:15,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:58:15,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:58:15,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:58:15,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:58:15,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:58:15,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:58:15,123 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:58:15,124 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_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c161d4585e44025dff37c27d4a80cfc33b46019f94633af3ad2ed91db249db8 [2021-11-22 14:58:15,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:58:15,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:58:15,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:58:15,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:58:15,507 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:58:15,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-regression/test_union.c_1.i [2021-11-22 14:58:15,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/data/8c4104570/5ccba508ffb8451d894e2e1722715629/FLAG1d8b176e0 [2021-11-22 14:58:16,114 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:58:16,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/sv-benchmarks/c/ldv-regression/test_union.c_1.i [2021-11-22 14:58:16,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/data/8c4104570/5ccba508ffb8451d894e2e1722715629/FLAG1d8b176e0 [2021-11-22 14:58:16,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/data/8c4104570/5ccba508ffb8451d894e2e1722715629 [2021-11-22 14:58:16,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:58:16,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:58:16,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:58:16,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:58:16,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:58:16,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7632d5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16, skipping insertion in model container [2021-11-22 14:58:16,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:58:16,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:58:16,716 WARN L230 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_76a4784f-670e-4d38-81de-a6fbf049d230/sv-benchmarks/c/ldv-regression/test_union.c_1.i[296,309] [2021-11-22 14:58:16,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:58:16,756 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:58:16,771 WARN L230 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_76a4784f-670e-4d38-81de-a6fbf049d230/sv-benchmarks/c/ldv-regression/test_union.c_1.i[296,309] [2021-11-22 14:58:16,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:58:16,793 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:58:16,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16 WrapperNode [2021-11-22 14:58:16,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:58:16,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:58:16,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:58:16,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:58:16,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,834 INFO L137 Inliner]: procedures = 13, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2021-11-22 14:58:16,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:58:16,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:58:16,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:58:16,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:58:16,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:58:16,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:58:16,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:58:16,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:58:16,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (1/1) ... [2021-11-22 14:58:16,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:58:16,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:58:16,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:58:16,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:58:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:58:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:58:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:58:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:58:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:58:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:58:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:58:16,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:58:17,034 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:58:17,036 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:58:17,134 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:58:17,142 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:58:17,143 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 14:58:17,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:58:17 BoogieIcfgContainer [2021-11-22 14:58:17,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:58:17,146 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:58:17,147 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:58:17,167 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:58:17,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:58:17,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:58:16" (1/3) ... [2021-11-22 14:58:17,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78123aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:58:17, skipping insertion in model container [2021-11-22 14:58:17,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:58:17,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:58:16" (2/3) ... [2021-11-22 14:58:17,172 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78123aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:58:17, skipping insertion in model container [2021-11-22 14:58:17,172 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:58:17,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:58:17" (3/3) ... [2021-11-22 14:58:17,174 INFO L388 chiAutomizerObserver]: Analyzing ICFG test_union.c_1.i [2021-11-22 14:58:17,247 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:58:17,247 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:58:17,247 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:58:17,247 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:58:17,248 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:58:17,248 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:58:17,248 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:58:17,248 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:58:17,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:58:17,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:58:17,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 14:58:17,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 02:58:17 BoogieIcfgContainer [2021-11-22 14:58:17,310 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 14:58:17,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:58:17,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:58:17,311 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:58:17,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:58:17" (3/4) ... [2021-11-22 14:58:17,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:58:17,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:58:17,319 INFO L158 Benchmark]: Toolchain (without parser) took 828.11ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 45.9MB in the beginning and 59.3MB in the end (delta: -13.4MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-22 14:58:17,320 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 81.8MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:58:17,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.47ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 75.6MB in the end (delta: -29.8MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2021-11-22 14:58:17,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.63ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 74.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:58:17,324 INFO L158 Benchmark]: Boogie Preprocessor took 24.27ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 73.2MB in the end (delta: 884.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:58:17,326 INFO L158 Benchmark]: RCFGBuilder took 284.36ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 64.9MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:58:17,327 INFO L158 Benchmark]: BuchiAutomizer took 163.31ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 59.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 14:58:17,328 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 193.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:58:17,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 81.8MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.47ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 75.6MB in the end (delta: -29.8MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.63ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 74.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.27ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 73.2MB in the end (delta: 884.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.36ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 64.9MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 163.31ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 59.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 59.3MB in the end (delta: 193.9kB). 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 - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-22 14:58:17,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a4784f-670e-4d38-81de-a6fbf049d230/bin/uautomizer-w2VwFs6gM0/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